# Best Communication Platform as a Service (cPaaS) Platforms - Page 4

## How Many Communication Platform as a Service (cPaaS) Platforms Products Does G2 Track?

**Total Products under this Category:** 168

### Category Stats (Jul 2026)

- **Average Rating:** 4.46/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** MyOperator (+7.03%) - Among all products in this category, MyOperator recorded the largest rating increase compared to last month

_Last updated: July 24, 2026_

## How Does G2 Rank Communication Platform as a Service (cPaaS) Platforms Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 8,900+ Authentic Reviews
- 168+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for Communication Platform as a Service (cPaaS) Platforms
 ![G2 Grid® for Communication Platform as a Service (cPaaS) Platforms plotting products by satisfaction and market presence](https://www.g2.com/categories/communication-platform-as-a-service-cpaas/grids.png?focus%5B%5D=144283&focus%5B%5D=104271&focus%5B%5D=17446&focus%5B%5D=42446&focus%5B%5D=74966&focus%5B%5D=24654&focus%5B%5D=1409876&focus%5B%5D=5026)

Highlighted products: Wati, Sinch Engage, Telnyx CPaaS, Webex Connect, MSG91, Bandwidth, Signal House, and Vonage Communications APIs.

Underlying data: [Grid® JSON](https://www.g2.com/categories/communication-platform-as-a-service-cpaas/grids.json?focus%5B%5D=wati&focus%5B%5D=sinch-engage&focus%5B%5D=telnyx-cpaas&focus%5B%5D=webex-connect&focus%5B%5D=msg91&focus%5B%5D=bandwidth-bandwidth&focus%5B%5D=signal-house&focus%5B%5D=vonage-communications-apis)

**Sponsored**

### TextUs

TextUs is a performance SMS engagement platform specifically designed to assist marketers, sales professionals, and recruiters in enhancing communication and driving conversions. This innovative solution enables users to connect more effectively with prospects, customers, and candidates, ultimately leading to improved conversion rates and pipeline generation. By streamlining the communication process, TextUs helps organizations maximize their outreach efforts and achieve their revenue objectives. The platform serves a diverse audience, including recruitment agencies, corporate HR departments, and sales and marketing teams across various sectors. Marketers can leverage TextUs to send targeted campaigns, conduct A/B testing on messaging, and incorporate additional outreach channels into their outbound strategies. Sales professionals benefit from the platform by maintaining consistent communication with prospects, ensuring they remain engaged throughout the sales cycle. Recruiters can utilize TextUs to interact with potential candidates in real-time, facilitating quicker responses and fostering stronger relationships. This versatility makes TextUs an essential tool for anyone aiming to enhance their engagement strategies. TextUs offers several key features that distinguish it from other communication tools. A standout capability is its ability to send and receive text messages at scale, allowing users to reach multiple prospects and candidates simultaneously. This feature not only saves time but also increases the likelihood of receiving timely responses. Additionally, TextUs integrates seamlessly with existing customer relationship management (CRM) software and applicant tracking systems (ATS), enabling users to manage their communications within a familiar environment, thus enhancing workflow efficiency. Another significant advantage of TextUs is its analytics and reporting functionality. Users can track engagement metrics, such as response rates and message open rates, providing valuable insights into the effectiveness of their communication strategies. This data-driven approach allows organizations to refine their outreach efforts, ensuring they are targeting the right audience with the right message. Furthermore, the platform's user-friendly interface makes it accessible for individuals with varying levels of technical expertise, ensuring that teams can adopt it quickly and efficiently without a steep learning curve. TextUs stands out in the SMS marketing and engagement platform category by offering a comprehensive solution tailored to the needs of marketing, sales, and recruiting professionals. Its focus on effective communication, integration capabilities, and robust analytics empowers users to enhance their engagement strategies, ultimately driving better outcomes for their organizations.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=555&secure%5Bchosen_at%5D=2026-07-29T01%3A09%3A52Z&secure%5Bdisplayable_resource_id%5D=1781&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=neighbor_category&secure%5Bplacement_resource_ids%5D%5B%5D=1781&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=61377&secure%5Bresource_id%5D=555&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fcommunication-platform-as-a-service-cpaas%3Fpage%3D4&secure%5Btoken%5D=29a452e63642ab6ea1a1ba08b18541f59175ff7452354d91378c8feb6ba0996c&secure%5Burl%5D=https%3A%2F%2Ftextus.com%2Fplatform%2F&secure%5Burl_type%5D=custom_url)

[
Messangi
](https://www.g2.com/products/messangi/reviews)

By [Messangi](https://www.g2.com/sellers/messangi)

[

4.7/5(16)

](https://www.g2.com/products/messangi/reviews)

What do users say?

Users consistently praise the platform for its user-friendly interface and excellent customer support, which make communication management straightforward and efficient. The ability to integrate multi

Pros and Cons

[
Ease of Use (6)
](https://www.g2.com/products/messangi/reviews?qs=pros-and-cons)[
Challenging Reporting (1)
](https://www.g2.com/products/messangi/reviews?qs=pros-and-cons)

### [Messangi](https://www.g2.com/products/messangi/reviews)

Messangi is a unified multichannel engagement platform designed to help enterprises, independent software vendors (ISVs), and business process outsourcing (BPO) companies connect their operational systems to the communication channels their customers prefer, including SMS, WhatsApp, RCS, Email, and Voice. This platform goes beyond traditional messaging solutions by treating communication as an integral part of business workflows rather than just a series of disconnected interactions. The product is particularly beneficial for organizations that require a comprehensive communications infrastructure. Messangi offers an API-first Communications Platform as a Service (CPaaS) tailored for developers, a No-Code Broadcast User Interface (UI) for operations teams, and a fully white-labeled multi-tenant platform for service providers looking to create their own branded engagement solutions. This versatility makes Messangi suitable for a wide range of industries, from telecommunications to customer service, where effective communication is crucial for operational success. One of the standout features of Messangi is its "Invisible Engine," which empowers BPOs and telecommunications companies to move away from reselling vendor-branded tools. Instead, they can utilize Messangi's white-label infrastructure to launch proprietary digital engagement platforms in a matter of days. This capability allows businesses to maintain control over their brand, client relationships, and profit margins, ultimately enhancing their market position. Messangi also addresses specific regional challenges, particularly in Latin America and the Caribbean, where it excels in solving the "last mile" problem that larger global companies often struggle with. The platform provides unmatched local route compliance, local billing, and hands-on WhatsApp Business onboarding, making it a valuable resource in high-friction markets. Additionally, Messangi facilitates workflow orchestration by allowing seamless transitions between AI-powered chatbots and live agents, as well as automating alerts and notifications directly from existing customer relationship management (CRM), enterprise resource planning (ERP), and billing systems. By consolidating their technology stack with Messangi, organizations can stop margin erosion caused by managing multiple disconnected messaging tools. The platform accelerates speed-to-market, enabling businesses to launch verified WhatsApp campaigns and create multi-tenant client environments significantly faster than traditional methods. Furthermore, Messangi helps companies scale without increasing headcount by deflecting tier-one support queries through integrated bots, allowing human resources to focus on high-value interactions. This combination of features positions Messangi as a comprehensive solution for modern communication challenges faced by enterprises today.

**Average Rating:** 4.7/5.0

**Total Reviews:** 15

#### How Do G2 Users Rate Messangi?

- **Has the product been a good partner in doing business?:** 9.5/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 9.1/10 (Category avg: 8.8/10)
- **Professional Support:** 9.8/10 (Category avg: 8.7/10)
- **Communication Varieties:** 9.1/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Messangi?

- **Seller:** [Messangi](https://www.g2.com/sellers/messangi)
- **Company Website:** www.messangi.com
- **Year Founded:** 2001
- **HQ Location:** Miami, Florida
- **Twitter:** @messangi  
792 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=bfa5a51d574eb214ae310cbfe8458ea5e42766aa95d698371bc2f3e9da298653&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fmessangi&secure%5Burl_type%5D=linkedin_company_website)  
54 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 56% Small, 44% Medium

#### What Do G2 Reviewers Say About Messangi?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **ease of use** of Messangi, finding it user-friendly with excellent customer support for seamless communication.
- Users appreciate the **effective communication solutions** of Messangi, enhancing interaction and performance for their companies.
- Users highlight the **exceptional customer support** of Messangi, noting prompt assistance and helpfulness at all times.
- Users value the **flexibility** of Messangi, enabling seamless communication and scalability to meet growing business needs.
- Users value the **effective communication solutions** of Messangi, enhancing performance and streamlining interactions across platforms.

##### Cons

- Users find the **reporting challenging** , needing improvements for easier access to detailed metrics directly in dashboards.
- Users find the **complex setup** of Messangi challenging, needing expertise to integrate with other software.
- Users highlight the **limited dashboard functionality** that requires manual data manipulation for detailed reporting.
- Users find the **difficult setup** of Messangi challenging, needing specialized expertise for proper integration with other software.
- Users find the **inadequate reporting** in Messangi frustrating, desiring better granularity and direct dashboard insights.

#### What Are Recent G2 Reviews of Messangi?

**["A reliable and agile ally for our communications"](https://www.g2.com/survey_responses/messangi-review-11583112)**

**Rating:** 4.0/5.0 stars

_— Verified User in Marketing and Advertising_

[Read full review](https://www.g2.com/survey_responses/messangi-review-11583112)

**["Best platform for multi-channel communication with customers"](https://www.g2.com/survey_responses/messangi-review-10062940)**

**Rating:** 5.0/5.0 stars

_— Maria T._

[Read full review](https://www.g2.com/survey_responses/messangi-review-10062940)

[
Commio
](https://www.g2.com/products/commio/reviews)

By [Commio](https://www.g2.com/sellers/commio)

[

4.6/5(133)

](https://www.g2.com/products/commio/reviews)

What do users say?

Users consistently praise the product for its ease of use and excellent customer support, highlighting how intuitive the portal is for managing services and resolving issues quickly. Many appreciate t

### [Commio](https://www.g2.com/products/commio/reviews)

Commio delivers a better way to power voice and text messaging in the cloud. Get up and running fast with our integrated Commio io portal or flexible APIs. We make it easy to bring your own 40 high-quality carriers to Twilio, Nexmo, Plivo, SignalWire or any SIP connection. Use our APIs to add and control your inbound and outbound voice and texting features in your existing tech stack in minutes, save on your cost of goods, connect to existing SIP providers, improve call delivery and quality, and more. Our cloud communications platform also makes it easy to buy and port phone numbers, create route profiles and trunks for outbound voice calls, enable text messaging, and more. Add call-specific analytics and SIP ladders along with our five-star support team to mitigate and route around outages, create custom routes and blocks, and more – and you've found a "better way" to communicate. Purchase phone numbers for inbound voice, route outbound domestic, toll-free, and international calls. Plus scale your text messaging communications with A2P SMS/MMS. Our Least Cost Routing (LCR) engine and database features – Location Routing Number (LRN), Caller Name (CNAM) and E911 – ensure that you're properly routing across our 40 high-quality carriers and paying the best price for every call.

**Average Rating:** 4.6/5.0

**Total Reviews:** 115

#### How Do G2 Users Rate Commio?

- **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 8.9/10 (Category avg: 8.8/10)
- **Professional Support:** 8.9/10 (Category avg: 8.7/10)
- **Communication Varieties:** 8.7/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Commio?

- **Seller:** [Commio](https://www.g2.com/sellers/commio)
- **Year Founded:** 2009
- **HQ Location:** Raleigh, NC
- **Twitter:** @thinqing  
660 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9a32b50fe2ece4ba0f605fd80d2c59f63591c6f7bf65d96e06a0fe0703e37266&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F1911079%2F&secure%5Burl_type%5D=linkedin_company_website)  
25 employees on LinkedIn®

#### Who Uses This Product?

- **Who Uses This:** CEO, Owner
- **Top Industries:** Telecommunications, Information Technology and Services
- **Company Size:** 73% Small, 21% Medium

#### What Are Recent G2 Reviews of Commio?

**["Easy and Intelligent"](https://www.g2.com/survey_responses/commio-review-8943161)**

**Rating:** 5.0/5.0 stars

_— Nancie S._

[Read full review](https://www.g2.com/survey_responses/commio-review-8943161)

**["ThinQ/Commio - A Company That's On The Move"](https://www.g2.com/survey_responses/commio-review-6564640)**

**Rating:** 5.0/5.0 stars

_— Bob Z._

[Read full review](https://www.g2.com/survey_responses/commio-review-6564640)

#### What Are G2 Users Discussing About Commio?

- [What is thinQ by Commio used for?](https://www.g2.com/discussions/what-is-thinq-by-commio-used-for)

[
Bird
](https://www.g2.com/products/messagebird-bird/reviews)

By [Bird](https://www.g2.com/sellers/bird)

[

3.9/5(73)

](https://www.g2.com/products/messagebird-bird/reviews)

What do users say?

Users consistently praise the ease of use and intuitive interface of the platform, which simplifies communication across multiple channels. Many appreciate the responsive customer support and the abil

Pros and Cons

[
Ease of Use (2)
](https://www.g2.com/products/messagebird-bird/reviews?qs=pros-and-cons)[
Poor Customer Support (4)
](https://www.g2.com/products/messagebird-bird/reviews?qs=pros-and-cons)

### [Bird](https://www.g2.com/products/messagebird-bird/reviews)

Bird is a communications platform-as-a-service (CPaaS) company. At Bird we believe that communicating with a business should feel as natural as communicating with a friend. That’s why we are on a mission to modernize and simplify the overcomplicated space of customer communication. As the only leading cloud communications platform with its own telecommunications carrier infrastructure, over 15,000 global customers rely on Bird to solve their communication challenges. Our SMS, Voice and Conversations APIs continue to revolutionize company-customer interactions, making contact easier, more efficient, and more accessible than ever before. To power these operations, we have offices on 4 continents and a world-class team of over 20 different nationalities available around the clock to support you.

**Average Rating:** 3.9/5.0

**Total Reviews:** 69

#### How Do G2 Users Rate Bird?

- **Has the product been a good partner in doing business?:** 7.6/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 6.6/10 (Category avg: 8.8/10)
- **Professional Support:** 4.8/10 (Category avg: 8.7/10)
- **Communication Varieties:** 7.1/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Bird?

- **Seller:** [Bird](https://www.g2.com/sellers/bird)
- **HQ Location:** Amsterdam, Netherlands
- **Twitter:** @messagebird  
4,209 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=3554f22a706eac2ac5ceaa1b19d9958a45822303e04ef9484e4cefad16ba0041&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbirdhq%2F&secure%5Burl_type%5D=linkedin_company_website)  
321 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Computer Software, Information Technology and Services
- **Company Size:** 81% Small, 16% Medium

#### What Do G2 Reviewers Say About Bird?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **clean and intuitive UI** of Bird, making message management effortlessly simple.
- Users love the **intuitive UI** of Bird, which simplifies WhatsApp inbox management effectively.
- Users appreciate the **modern and intuitive UI** of Bird, making inbox management simple and professional.
- Users value the **robust API** of Bird, enhancing their WhatsApp Inbox management with seamless integrations.
- Users appreciate the **effective communication tools** of Bird, enhancing connections with customers and driving engagement.

##### Cons

- Users criticize Bird for its **poor customer support** , citing unhelpfulness and numerous unresolved technical issues.
- Users find Bird to be **expensive** with inadequate support, leading to frustrations and unmet expectations.
- Users face numerous **buggy features** in Bird, complicating their experience due to frustrating errors and inadequate support.
- Users find the **complex setup** of Bird challenging due to numerous bugs and lack of support and guidance.
- Users find the **difficult setup** of Bird frustrating due to numerous bugs and lack of adequate support documentation.

#### What Are Recent G2 Reviews of Bird?

**["Reliable and Scalable WhatsApp Inbox Solution"](https://www.g2.com/survey_responses/bird-review-10538242)**

**Rating:** 5.0/5.0 stars

_— Jayraj M._

[Read full review](https://www.g2.com/survey_responses/bird-review-10538242)

**["The best communication service provier"](https://www.g2.com/survey_responses/bird-review-7911889)**

**Rating:** 4.5/5.0 stars

_— Anil J._

[Read full review](https://www.g2.com/survey_responses/bird-review-7911889)

#### What Are G2 Users Discussing About Bird?

- [Does MessageBird have an app?](https://www.g2.com/discussions/does-messagebird-have-an-app)
- [What is MessageBird?](https://www.g2.com/discussions/what-is-messagebird)
- [How does MessageBird work?](https://www.g2.com/discussions/how-does-messagebird-work)
- [What is MessageBird used for?](https://www.g2.com/discussions/what-is-messagebird-used-for)

[
Kimoby
](https://www.g2.com/products/kimoby/reviews)

By [Kimoby](https://www.g2.com/sellers/kimoby)

[

4.8/5(69)

](https://www.g2.com/products/kimoby/reviews)

What do users say?

Users consistently praise the ease of use and quick communication capabilities of Kimoby, highlighting its effectiveness in connecting with customers through text. Many appreciate the software's abili

Pros and Cons

[
Easy Communication (2)
](https://www.g2.com/products/kimoby/reviews?qs=pros-and-cons)[
Missing Features (1)
](https://www.g2.com/products/kimoby/reviews?qs=pros-and-cons)

### [Kimoby](https://www.g2.com/products/kimoby/reviews)

Kimoby is a Service Lane Operating System built for automotive dealership service departments. It consolidates two-way texting, inspections, V2C with AI-generated estimates, digital estimates with one-tap customer approval, mobile payments, in-person payment terminals, loaner fleet management, Voice AI agent for missed calls, CSI follow-up, and marketing campaigns into one platform. Kimoby integrates with CDK (with write-back), Reynolds and Reynolds, PBS, Tekion, DealerTrack, Autosoft, Serti, Dealer Vu, and Quorum. When a customer approves an estimate or makes a payment, it writes back to the DMS repair order automatically. Over 1,000 dealerships across in the United States and Canada use Kimoby. BMW Activities Fund approved vendor with exclusive myBMW app integration. VW eConnect and CMC approved. Ford Commitment Program qualifying vendor. Month-to-month contracts. No setup fee. No long-term commitment. Transparent pricing published at kimoby.com/pricing.

**Average Rating:** 4.8/5.0

**Total Reviews:** 66

#### How Do G2 Users Rate Kimoby?

- **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 8.3/10 (Category avg: 8.8/10)
- **Professional Support:** 9.2/10 (Category avg: 8.7/10)
- **Communication Varieties:** 9.2/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Kimoby?

- **Seller:** [Kimoby](https://www.g2.com/sellers/kimoby)
- **Year Founded:** 2013
- **HQ Location:** Québec, CA
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c58227ffb35f7ce73d9574b9905ab6b800bf93b7a9329c7d24e0e70ff257b1fd&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fkimoby%2F&secure%5Burl_type%5D=linkedin_company_website)  
51 employees on LinkedIn®

#### Who Uses This Product?

- **Who Uses This:** Service Advisor
- **Top Industries:** Automotive
- **Company Size:** 57% Small, 41% Medium

#### What Do G2 Reviewers Say About Kimoby?

_AI-generated summary from verified user reviews_

##### Pros

- Users value the **easy communication** offered by Kimoby, enhancing interactions for tech-savvy individuals.
- Users appreciate the **ease of use** of Kimoby, facilitating seamless communication for tech-savvy advisors.
- Users value the **time-saving benefits** of Kimoby, allowing them to focus more on work and less on calls.

##### Cons

- Users desire a **quick add customer feature** on all pages for improved accessibility and efficiency.
- Users report **double texting issues** with Kimoby, causing confusion for guests about service notifications.
- Users report **minor software glitches** causing double texts to guests, leading to confusion about service notifications.

#### What Are Recent G2 Reviews of Kimoby?

**["a huge time saver"](https://www.g2.com/survey_responses/kimoby-review-4991433)**

**Rating:** 5.0/5.0 stars

_— JT B._

[Read full review](https://www.g2.com/survey_responses/kimoby-review-4991433)

**["Kimoby is great!"](https://www.g2.com/survey_responses/kimoby-review-4997678)**

**Rating:** 4.5/5.0 stars

_— Maria W._

[Read full review](https://www.g2.com/survey_responses/kimoby-review-4997678)

#### What Are G2 Users Discussing About Kimoby?

- [What is Kimoby used for?](https://www.g2.com/discussions/what-is-kimoby-used-for)

[
video sdk
](https://www.g2.com/products/video-sdk/reviews)

By [videosdk.live](https://www.g2.com/sellers/videosdk-live)

[

4.6/5(14)

](https://www.g2.com/products/video-sdk/reviews)

What do users say?

Users consistently praise the ease of use and reliable support provided by this product, making it a preferred choice for integrating video features into applications. Many appreciate the straightforw

### [video sdk](https://www.g2.com/products/video-sdk/reviews)

videosdk.live is a unique proposition for developers to reduce their efforts and cost of audio - video conference, live stream and video hosting features. With Prebuilt UI, these SDKs can be integrated within few minutes and with no restrictions on UI customization. Developers can also use these combinations of SDKs to support their business goals. All video sdk under one roof. 1. Real-time communication sdk - 10,000 minutes free every month - Easy to use (5 minute integration) - 100% Customizable UI with coding - 98% device support - Low latency live streaming - Cloud recording & storage - Cost-effective in long-term - Up to 5000 in-meeting participants support (with 49 audio-video on) - Auto Scalable Parallel Rooms 2. Live Stream sdk - Easy to integrate (within 30 minutes) - Transcoding stream into multiple resolutions - Playback features like YouTube, FB live. - Storage facility to host it later - Up to 100K concurrent viewer support (tested & still upgrading) - 80% less cost than AWS streaming - Content delivery network 3. On-demand video sdk - Easy to integrate (within 30 minutes) - Transcoding uploaded video into multiple resolutions - Storage facility to host and APIs to fetch it - Up to 100K concurrent viewer support (tested & still upgrading) - No limit on total video views - 80% less cost than AWS hosting - Content Delivery Network

**Average Rating:** 4.6/5.0

**Total Reviews:** 13

#### How Do G2 Users Rate video sdk?

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 10.0/10 (Category avg: 8.8/10)
- **Professional Support:** 10.0/10 (Category avg: 8.7/10)
- **Communication Varieties:** 8.3/10 (Category avg: 8.6/10)

#### Who Is the Company Behind video sdk?

- **Seller:** [videosdk.live](https://www.g2.com/sellers/videosdk-live)
- **Year Founded:** 2020
- **HQ Location:** Bangalore, IN
- **Twitter:** @video\_sdk  
251 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=0276d212ee54091b2cefb358096236a9867bc52db76f82346fb857885b38f589&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fvideo-sdk%2F&secure%5Burl_type%5D=linkedin_company_website)  
59 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 71% Small, 14% Medium

#### What Are Recent G2 Reviews of video sdk?

**["The tool I use to integrate videos on my website"](https://www.g2.com/survey_responses/video-sdk-review-8183041)**

**Rating:** 4.0/5.0 stars

_— Adrián A._

[Read full review](https://www.g2.com/survey_responses/video-sdk-review-8183041)

**["Easy-to-use, great support options"](https://www.g2.com/survey_responses/video-sdk-review-7778891)**

**Rating:** 5.0/5.0 stars

_— Jordan S._

[Read full review](https://www.g2.com/survey_responses/video-sdk-review-7778891)

#### What Are G2 Users Discussing About video sdk?

- [Why is QMS software important?](https://www.g2.com/discussions/why-is-qms-software-important)
- [What is TrackWise software?](https://www.g2.com/discussions/what-is-trackwise-software)
- [What is zoom video SDK?](https://www.g2.com/discussions/what-is-zoom-video-sdk)
- [What is a video SDK?](https://www.g2.com/discussions/what-is-a-video-sdk) - 1 comment

[
Nylas
](https://www.g2.com/products/nylas/reviews)

By [Nylas](https://www.g2.com/sellers/nylas)

[

4/5(60)

](https://www.g2.com/products/nylas/reviews)

What do users say?

Users consistently praise Nylas for its easy integration with multiple email providers, which significantly reduces development time. The platform's comprehensive documentation and responsive support

Pros and Cons

[
API Quality (5)
](https://www.g2.com/products/nylas/reviews?qs=pros-and-cons)[
Learning Curve (2)
](https://www.g2.com/products/nylas/reviews?qs=pros-and-cons)

### [Nylas](https://www.g2.com/products/nylas/reviews)

Hundreds of thousands of developers around the world use Nylas to increase velocity and seamlessly build customizable email and scheduling capabilities through state-of-the-art APIs. Nylas is the only platform that gives developers universal access to email, calendar, and contacts providers through a single integration. Developers and their teams are increasingly turning to Nylas to quickly and securely launch critical features, enabling them to spend less time on their infrastructure and more time building software with limitless potential. Learn more at www.nylas.com and follow us on LinkedIn, Twitter, and YouTube.

**Average Rating:** 4.0/5.0

**Total Reviews:** 58

#### How Do G2 Users Rate Nylas?

- **Has the product been a good partner in doing business?:** 9.1/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 7.9/10 (Category avg: 8.8/10)
- **Professional Support:** 9.3/10 (Category avg: 8.7/10)
- **Communication Varieties:** 8.0/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Nylas?

- **Seller:** [Nylas](https://www.g2.com/sellers/nylas)
- **Year Founded:** 2014
- **HQ Location:** San Francisco, California
- **Twitter:** @nylas  
4,518 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=449b7cf709478979e036a32cecc1feca4acdabb60016b6c10d52a1885b2f1dac&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F3788355%2F&secure%5Burl_type%5D=linkedin_company_website)  
115 employees on LinkedIn®

#### Who Uses This Product?

- **Who Uses This:** Product Manager
- **Top Industries:** Computer Software, Information Technology and Services
- **Company Size:** 67% Small, 28% Medium

#### What Do G2 Reviewers Say About Nylas?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **API quality** of Nylas, simplifying integration with multiple email providers effortlessly.
- Users rave about the **easy integrations** with Nylas, enabling seamless email connectivity with various providers effortlessly.
- Users appreciate the **ease of use** of Nylas, enjoying quick integrations and a seamless onboarding experience.
- Users value the **easy setup** of Nylas, enabling rapid onboarding and seamless integration with various email providers.
- Users highlight the **seamless integration and powerful API** of Nylas, enhancing productivity and user satisfaction.

##### Cons

- Users find the **learning curve steep** due to complicated documentation and incomplete tooling for Nylas's v3 API.
- Users experience a lack of **specific features** in API integration, leading to complicated troubleshooting challenges.
- Users face **communication issues** due to incomplete tools for v3 and challenging documentation navigation.
- Users find the **complexity of troubleshooting** a challenge, affected by the additional integration layer with email providers.
- Users find **difficult navigation** in Nylas, primarily due to incomplete API tooling and complicated documentation.

#### What Are Recent G2 Reviews of Nylas?

**["Powerful Email API for Shared Inbox Development"](https://www.g2.com/survey_responses/nylas-review-5094482)**

**Rating:** 4.5/5.0 stars

_— Jasper P._

[Read full review](https://www.g2.com/survey_responses/nylas-review-5094482)

**["Using Nylas for Email Integration"](https://www.g2.com/survey_responses/nylas-review-10518908)**

**Rating:** 4.5/5.0 stars

_— Verified User in Non-Profit Organization Management_

[Read full review](https://www.g2.com/survey_responses/nylas-review-10518908)

#### What Are G2 Users Discussing About Nylas?

- [What is Nylas com?](https://www.g2.com/discussions/what-is-nylas-com) - 1 comment
- [What is Nylas dashboard?](https://www.g2.com/discussions/what-is-nylas-dashboard)
- [What is Nylas API?](https://www.g2.com/discussions/what-is-nylas-api)
- [What is Nylas for?](https://www.g2.com/discussions/what-is-nylas-for)

[
ejabberd
](https://www.g2.com/products/ejabberd/reviews)

By [ProcessOne](https://www.g2.com/sellers/processone)

[

4.3/5(33)

](https://www.g2.com/products/ejabberd/reviews)

What do users say?

Users consistently praise the ease of setup and scalability of ejabberd, highlighting its ability to handle high throughput communication effectively. Many appreciate the extensive features and custom

Pros and Cons

[
Easy Setup (1)
](https://www.g2.com/products/ejabberd/reviews?qs=pros-and-cons)[
Group Management (1)
](https://www.g2.com/products/ejabberd/reviews?qs=pros-and-cons)

### [ejabberd](https://www.g2.com/products/ejabberd/reviews)

ejabberd is a scalable and extensible XMPP Server.

**Average Rating:** 4.3/5.0

**Total Reviews:** 30

#### How Do G2 Users Rate ejabberd?

- **Has the product been a good partner in doing business?:** 7.9/10 (Category avg: 9.0/10)

#### Who Is the Company Behind ejabberd?

- **Seller:** [ProcessOne](https://www.g2.com/sellers/processone)
- **Year Founded:** 1999
- **HQ Location:** Paris, FR
- **Twitter:** @boxcar  
10,822 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=047ffc42e4064249b24e00cb11da5a1a326cd3b1415ad09333e525b1ab7fae19&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fprocess-one&secure%5Burl_type%5D=linkedin_company_website)  
9 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Computer Software
- **Company Size:** 61% Small, 27% Medium

#### What Do G2 Reviewers Say About ejabberd?

_AI-generated summary from verified user reviews_

##### Pros

- Users highlight the **easy setup** of ejabberd, facilitating a quick and efficient implementation process.
- Users commend the **easy sharing** capabilities of ejabberd, enhancing collaboration and connectivity effortlessly.
- Users praise the **fast service** of ejabberd, highlighting quick setup and impressive performance.
- Users highlight the **setup ease** of ejabberd, making it quick and simple to get started.

##### Cons

- Users find the **lack of documentation** for managing MUC rooms a challenge, wishing for easier solutions.
- Users find the **learning curve steep** due to insufficient documentation on features like encryption and group management.
- Users feel there is **limited documentation and functionality** for end-to-end encryption and managing MUC rooms in ejabberd.
- Users find the **lack of documentation on key features** such as encryption and MUC management frustrating.
- Users find **poor documentation** on features like end-to-end encryption and group management frustrating in ejabberd.

#### What Are Recent G2 Reviews of ejabberd?

**["I like the cluster feture of ejabbred."](https://www.g2.com/survey_responses/ejabberd-review-4652044)**

**Rating:** 4.0/5.0 stars

_— Nurul Huda R._

[Read full review](https://www.g2.com/survey_responses/ejabberd-review-4652044)

**["Easiest Way to Get You Chat Server within hours"](https://www.g2.com/survey_responses/ejabberd-review-4360525)**

**Rating:** 4.5/5.0 stars

_— Alok Kumar S._

[Read full review](https://www.g2.com/survey_responses/ejabberd-review-4360525)

#### What Are G2 Users Discussing About ejabberd?

- [What is ejabberd used for?](https://www.g2.com/discussions/what-is-ejabberd-used-for)
- [What does ejabberd do?](https://www.g2.com/discussions/what-does-ejabberd-do)
- [How do I start Ejabberd?](https://www.g2.com/discussions/how-do-i-start-ejabberd)
- [Does WhatsApp use Ejabberd?](https://www.g2.com/discussions/does-whatsapp-use-ejabberd)
- [How do I use Ejabberd server?](https://www.g2.com/discussions/how-do-i-use-ejabberd-server)

[
Flowroute
](https://www.g2.com/products/flowroute/reviews)

By [Flowroute](https://www.g2.com/sellers/flowroute)

[

3.8/5(15)

](https://www.g2.com/products/flowroute/reviews)

What do users say?

Users consistently praise the reliable service and ease of use of Flowroute, highlighting its straightforward setup and effective support. Many appreciate the competitive pricing and the quality of Vo

Pros and Cons

[
Call Issues (1)
](https://www.g2.com/products/flowroute/reviews?qs=pros-and-cons)

### [Flowroute](https://www.g2.com/products/flowroute/reviews)

Flowroute, the first software-centric carrier, provides communication services and technology for cloud-based products. Developers and businesses are given direct access to and control over their telephony resources such as phone numbers, inbound and outbound calls, SMS, MMS, and other related communication services through the Flowroute Manage Portal and our APIs. By providing businesses with programmatic access to communications infrastructure services, Flowroute removes the complexity of introducing new communications solutions to the market. The patented nationwide Flowroute HyperNetwork™ delivers leading carrier-quality calling and messaging services with unparalleled reliability, reach, and simplicity.

**Average Rating:** 3.8/5.0

**Total Reviews:** 14

#### How Do G2 Users Rate Flowroute?

- **Has the product been a good partner in doing business?:** 7.7/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 6.5/10 (Category avg: 8.8/10)
- **Professional Support:** 5.0/10 (Category avg: 8.7/10)
- **Communication Varieties:** 6.2/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Flowroute?

- **Seller:** [Flowroute](https://www.g2.com/sellers/flowroute)
- **Year Founded:** 2007
- **HQ Location:** New York, NY
- **Twitter:** @flowroute  
2,531 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9f3ad5209f6ef16224a5967adddec29fb262dfbdbfdb67840147347ff9b576bf&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fflowroute%2F&secure%5Burl_type%5D=linkedin_company_website)  
20 employees on LinkedIn®
- **Phone:** 855-356-9768

#### Who Uses This Product?

- **Company Size:** 67% Small, 27% Medium

#### What Do G2 Reviewers Say About Flowroute?

_AI-generated summary from verified user reviews_

##### Cons

- Users report significant **call issues** with Flowroute, including network problems and frustrating support experiences.
- Users report significant **communication delays** with Flowroute, leading to frustrating experiences and prolonged service issues.
- Users report significant **communication issues** with Flowroute, affecting their service experience and porting process.
- Users report frequent **connectivity issues** with Flowroute, leading to frustrating call drops and delays in porting services.
- Users report **contact management issues** with Flowroute, experiencing poor support and frustrating porting processes.

#### What Are Recent G2 Reviews of Flowroute?

**["Fast support, friendly staff, excellent uptime! Would highly recommend Flowroute!"](https://www.g2.com/survey_responses/flowroute-review-4682719)**

**Rating:** 4.5/5.0 stars

_— Verified User in Financial Services_

[Read full review](https://www.g2.com/survey_responses/flowroute-review-4682719)

**["Flowroute is consistent and reliable."](https://www.g2.com/survey_responses/flowroute-review-4682733)**

**Rating:** 5.0/5.0 stars

_— David S._

[Read full review](https://www.g2.com/survey_responses/flowroute-review-4682733)

#### What Are G2 Users Discussing About Flowroute?

- [What is SIP trunking service?](https://www.g2.com/discussions/what-is-sip-trunking-service)
- [What is Flowroute incorporated?](https://www.g2.com/discussions/what-is-flowroute-incorporated)
- [Is Flowroute any good?](https://www.g2.com/discussions/is-flowroute-any-good)
- [What does Flowroute do?](https://www.g2.com/discussions/what-does-flowroute-do)

[
Vidyo Platform
](https://www.g2.com/products/vidyo-platform/reviews)

By [Enghouse Systems](https://www.g2.com/sellers/enghouse-systems)

[

3.4/5(10)

](https://www.g2.com/products/vidyo-platform/reviews)

What do users say?

Users consistently praise the flexibility and user friendliness of the Vidyo Platform, highlighting its ability to enhance professional interactions through branding options. Many appreciate the respo

### [Vidyo Platform](https://www.g2.com/products/vidyo-platform/reviews)

With VidyoPlatform, build your own video conferencing application with just a few lines of code. We provide a simplified, real-time video interaction for multiple deployment models including on-premises, private cloud, and hybrid. Our VidyoPlatform works across multiple platforms by providing developers with all the necessary infrastructure and support. We provide APIs and SDKs for web browsers, iOS, Android, macOS, and windows. It is ideal for all types of network environments; a key differentiation is that we offer the best video quality with the lowest latency globally.

**Average Rating:** 3.4/5.0

**Total Reviews:** 10

#### How Do G2 Users Rate Vidyo Platform?

- **Has the product been a good partner in doing business?:** 6.7/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 5.0/10 (Category avg: 8.8/10)
- **Professional Support:** 4.2/10 (Category avg: 8.7/10)
- **Communication Varieties:** 5.8/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Vidyo Platform?

- **Seller:** [Enghouse Systems](https://www.g2.com/sellers/enghouse-systems)
- **Year Founded:** 1984
- **HQ Location:** Markham
- **Twitter:** @EnghouseInterac  
2,418 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=f817d6a24efc2045479268e47e7124e25f84a6d65472505e9f62f8381960db96&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fenghouse%2F&secure%5Burl_type%5D=linkedin_company_website)  
1,294 employees on LinkedIn®
- **Ownership:** ENGH (TSE)

#### Who Uses This Product?

- **Company Size:** 50% Medium, 50% Small

#### What Are Recent G2 Reviews of Vidyo Platform?

**["Responsive Technical Support"](https://www.g2.com/survey_responses/vidyo-platform-review-8622542)**

**Rating:** 4.5/5.0 stars

_— Pampín B._

[Read full review](https://www.g2.com/survey_responses/vidyo-platform-review-8622542)

**["Trusted by the brands you trust"](https://www.g2.com/survey_responses/vidyo-platform-review-2993370)**

**Rating:** 5.0/5.0 stars

_— paula f._

[Read full review](https://www.g2.com/survey_responses/vidyo-platform-review-2993370)

#### What Are G2 Users Discussing About Vidyo Platform?

- [What is Vidyo.io used for?](https://www.g2.com/discussions/what-is-vidyo-io-used-for)

[
2600Hz
](https://www.g2.com/products/2600hz/reviews)

By [2600Hz](https://www.g2.com/sellers/2600hz)

[

4.3/5(22)

](https://www.g2.com/products/2600hz/reviews)

What do users say?

Users consistently praise the reliability and functionality of 2600Hz, highlighting its ease of use and strong customer support. Many appreciate the platform's ability to scale and adapt to various ne

### [2600Hz](https://www.g2.com/products/2600hz/reviews)

2600Hz is an award-winning provider of unified communications that modernizes how businesses provide unified cloud communication and collaboration services to their customers. Our revolutionary, distributed multi-tenant platform called KAZOO lets our partners do business their way, empowering them to customize every part of their UC solution including pricing, branding, customer offerings and more. With thoughtfully engineered tools built by leaders in the telecom industry, KAZOO offers feature-rich UCaaS, CPaaS, CCaaS, mobile, and remote collaboration solutions. KAZOO is a true end-to-end white label solution that offers a full enterprise-PBX, next-gen call center, intuitive collaboration tools, automatic sign up and provisioning, international expansion, and a wide range of other services all in one platform. KAZOO was designed to scale effortlessly and features over 300 open APIs for our partners to build their own integrations as well as a suite of pre-built applications that resellers can use immediately — all packaged in a modern user interface. We give our partners access to the building blocks of KAZOO, so they have their own platform and complete control over their offering. Our partners have the flexibility to create their own customized communication solution, enabling them to differentiate their brand and offering in the market as well as provide a tailored solution for the industries and niches they service.

**Average Rating:** 4.3/5.0

**Total Reviews:** 22

#### How Do G2 Users Rate 2600Hz?

- **Has the product been a good partner in doing business?:** 7.5/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 7.9/10 (Category avg: 8.8/10)
- **Professional Support:** 7.3/10 (Category avg: 8.7/10)
- **Communication Varieties:** 5.6/10 (Category avg: 8.6/10)

#### Who Is the Company Behind 2600Hz?

- **Seller:** [2600Hz](https://www.g2.com/sellers/2600hz)
- **Year Founded:** 2010
- **HQ Location:** San Francisco, CA
- **Twitter:** @2600hertz  
2,879 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a19b166e3e754aa8e11e254c9d16be98d4a5b539393c4838c0802c473d7d90d5&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F1361265&secure%5Burl_type%5D=linkedin_company_website)  
59 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Telecommunications
- **Company Size:** 82% Small, 14% Medium

#### What Are Recent G2 Reviews of 2600Hz?

**["Good Product for most telephony"](https://www.g2.com/survey_responses/2600hz-review-7974295)**

**Rating:** 4.0/5.0 stars

_— Shaz M._

[Read full review](https://www.g2.com/survey_responses/2600hz-review-7974295)

**["The only true cloud ucaas product"](https://www.g2.com/survey_responses/2600hz-review-7579085)**

**Rating:** 5.0/5.0 stars

_— Richard G._

[Read full review](https://www.g2.com/survey_responses/2600hz-review-7579085)

#### What Are G2 Users Discussing About 2600Hz?

- [What is 2600Hz used for?](https://www.g2.com/discussions/what-is-2600hz-used-for)

[
Knock
](https://www.g2.com/products/knock-knock/reviews)

By [Knock](https://www.g2.com/sellers/knock-68c9dc19-2711-4d35-9006-94e645cd7e02)

[

4.6/5(147)

](https://www.g2.com/products/knock-knock/reviews)

What do users say?

Users consistently praise Knock for its ease of use and powerful features, which simplify the management of multi-channel notifications. The intuitive dashboard allows both technical and non-technical

Pros and Cons

[
Ease of Use (33)
](https://www.g2.com/products/knock-knock/reviews?qs=pros-and-cons)[
Missing Features (15)
](https://www.g2.com/products/knock-knock/reviews?qs=pros-and-cons)

### [Knock](https://www.g2.com/products/knock-knock/reviews)

Knock is infrastructure for sending product and customer messaging. Ship cross-channel product notifications and lifecycle messaging that drives engagement, growth, and retention. Knock has everything you need to power notifications for your product, including: - A powerful workflow engine to automate and manage your entire cross-channel motion, from in-product messaging to email and push notifications. - Branded, in-product messaging components, including embeddable inboxes, feeds, and lifecycle messages. - Broadcasts make it easy to send effective, one-time messages to custom audiences. - A dynamic template manager for consistent, personalized cross-channel messaging. - End-to-end observability and analytics to monitor platform health and engagement. - Notification preferences give users control of where and when they receive notifications to increase retention. - Powerful integrations with dozens of tools across email, SMS, push, and chat.

**Average Rating:** 4.6/5.0

**Total Reviews:** 147

#### How Do G2 Users Rate Knock?

- **Has the product been a good partner in doing business?:** 9.5/10 (Category avg: 9.0/10)

#### Who Is the Company Behind Knock?

- **Seller:** [Knock](https://www.g2.com/sellers/knock-68c9dc19-2711-4d35-9006-94e645cd7e02)
- **Company Website:** knock.app
- **Year Founded:** 2021
- **HQ Location:** New York, NY
- **Twitter:** @knocklabs  
2,106 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ab2a8ce7eb92085e7e1e319a3a0a1e7617780a438616b91fede06efd099f9e00&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fknocklabs%2F&secure%5Burl_type%5D=linkedin_company_website)  
23 employees on LinkedIn®

#### Who Uses This Product?

- **Who Uses This:** Software Engineer, CTO
- **Top Industries:** Computer Software, Information Technology and Services
- **Company Size:** 72% Small, 21% Medium

#### What Do G2 Reviewers Say About Knock?

_AI-generated summary from verified user reviews_

##### Pros

- Users value Knock's **ease of use** , enabling smooth setup, intuitive UI, and seamless integration for all team members.
- Users find Knock's **streamlined notifications** invaluable, appreciating its seamless integration and excellent support for all systems.
- Users highlight the **easy setup** of Knock, allowing for quick integration and effective notification management.
- Users commend Knock's **excellent customer support** , highlighting its responsiveness and knowledge in resolving issues promptly.
- Users value the **easy integrations** of Knock, allowing seamless setup for notifications and workflows across platforms.

##### Cons

- Users are frustrated by the **missing features** , including incomplete documentation and lack of support for popular frameworks.
- Users encounter **notification issues** with Knock, including confusion over updates and challenges with push notification implementation.
- Users find the **difficult setup** of Knock challenging, especially with UI reliance for configurations and templates management.
- Users feel the product lacks **insufficient features** , including better analytics, UI intuitiveness, and updated documentation.
- Users find the **complexity** of Knock's email creation and settings confusing, despite recent improvements in UI clarity.

#### What Are Recent G2 Reviews of Knock?

**["Robust Multichannel Notifications Made Easy"](https://www.g2.com/survey_responses/knock-review-13041880)**

**Rating:** 5.0/5.0 stars

_— Tyler T._

[Read full review](https://www.g2.com/survey_responses/knock-review-13041880)

**["Effortless Workflow Management with Powerful Integrations"](https://www.g2.com/survey_responses/knock-review-12789262)**

**Rating:** 5.0/5.0 stars

_— Bradly L._

[Read full review](https://www.g2.com/survey_responses/knock-review-12789262)

[
ShoutOUT
](https://www.g2.com/products/shoutout/reviews)

By [ShoutOUT Labs](https://www.g2.com/sellers/shoutout-labs)

[

4.9/5(17)

](https://www.g2.com/products/shoutout/reviews)

What do users say?

Users consistently praise the ease of use and responsive customer support of this product, highlighting how quickly they can integrate it into their systems and start effective marketing campaigns. Ma

### [ShoutOUT](https://www.g2.com/products/shoutout/reviews)

ShoutOUT is the all in one Customer Communication Platform working with over 300+ brands in 40+ countries with 3500+ users such as Sampath Bank, DSI Tyres, Mobil, Abans, etc. ShoutOUT Engage - It supports businesses to keep in touch with their customers by automated, personalized and targeted SMS and Emails. And go to the next level with WhatsApp Business API & Facebook Messenger integration with ShoutOUT. ShoutOUT Segment - It facilitates businesses to track customer actions in different channels and have a better understanding of consumer behaviors/patterns and the ShoutOUT rule engine helps to segment customers dynamically. Moreover, these segments can be synced with 3rd party applications like sales CRM, and target them on Facebook campaigns with custom and lookalike audiences, etc. Our Solutions -SMS & Email Marketing Platform -SMS API for Developers -OTP Platform -Messenger Integration & Chatbot Automation -WhatsApp Business API & Chatbot Automation -ShoutOUT Forms/Surveys -ShoutOUT SMS Polls For more information, visit our website: www.getshoutout.com or contact us via info@getshoutout.com

**Average Rating:** 4.9/5.0

**Total Reviews:** 15

#### How Do G2 Users Rate ShoutOUT?

- **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 8.3/10 (Category avg: 8.8/10)
- **Professional Support:** 7.5/10 (Category avg: 8.7/10)
- **Communication Varieties:** 8.3/10 (Category avg: 8.6/10)

#### Who Is the Company Behind ShoutOUT?

- **Seller:** [ShoutOUT Labs](https://www.g2.com/sellers/shoutout-labs)
- **Year Founded:** 2016
- **HQ Location:** N/A
- **Twitter:** @ShoutOUTLabs  
69 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=353756bbcce843fc40ab17f83390fb1502b3d0838dcc61c9c75e3e1ea03ec65d&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fshoutoutlabs%2F&secure%5Burl_type%5D=linkedin_company_website)  
24 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 76% Small, 12% Large

#### What Are Recent G2 Reviews of ShoutOUT?

**["Incredible value, great usability, great support"](https://www.g2.com/survey_responses/shoutout-review-4758983)**

**Rating:** 5.0/5.0 stars

_— Christian P._

[Read full review](https://www.g2.com/survey_responses/shoutout-review-4758983)

**["Loved the software and perfect for our use case"](https://www.g2.com/survey_responses/shoutout-review-5205952)**

**Rating:** 5.0/5.0 stars

_— Pete R._

[Read full review](https://www.g2.com/survey_responses/shoutout-review-5205952)

#### What Are G2 Users Discussing About ShoutOUT?

- [What is ShoutOUT used for?](https://www.g2.com/discussions/what-is-shoutout-used-for)

[
Digital Samba
](https://www.g2.com/products/digital-samba/reviews)

By [Digital Samba SL](https://www.g2.com/sellers/digital-samba-sl)

[

4.3/5(67)

](https://www.g2.com/products/digital-samba/reviews)

What do users say?

Users consistently praise the platform for its browser-based simplicity and strong security features, which facilitate easy access and compliance with GDPR regulations. The reliable video and audio qu

Pros and Cons

[
Ease of Use (15)
](https://www.g2.com/products/digital-samba/reviews?qs=pros-and-cons)[
Limited Features (9)
](https://www.g2.com/products/digital-samba/reviews?qs=pros-and-cons)

### [Digital Samba](https://www.g2.com/products/digital-samba/reviews)

Since its foundation in 2003, Digital Samba has been a trusted provider of secure video conferencing solutions in the European market. Entirely built and hosted within the European Union, it guarantees full GDPR compliance and delivers a robust platform for modern digital communication. With both a free, ready-to-use platform and an embeddable API/SDK, Digital Samba is designed for effortless use or seamless integration into applications across industries, from healthcare to event management. Digital Samba stands out for its minimalist design combined with a feature-rich conferencing experience. Core features include high-definition group video calls, customisable roles and permissions, screen sharing, interactive hand raise, AI-powered captions, and secure cloud recordings. The platform also offers multilingual support in English, German, and Spanish. For organisations requiring deeper integration, Digital Samba Embedded extends these capabilities with advanced options such as full white labelling, CNAME support, and extensive developer tools for custom branding and workflow integration. Known for its reliability, Digital Samba ensures smooth connectivity with negligible downtime and swift resolution of any technical issues. The platform emphasises security, featuring anonymised user IDs and token-based authentication to safeguard user data. To discover more about Digital Samba, visit www.digitalsamba.com.

**Average Rating:** 4.3/5.0

**Total Reviews:** 58

#### How Do G2 Users Rate Digital Samba?

- **Has the product been a good partner in doing business?:** 9.4/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 9.6/10 (Category avg: 8.8/10)
- **Professional Support:** 9.2/10 (Category avg: 8.7/10)
- **Communication Varieties:** 8.8/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Digital Samba?

- **Seller:** [Digital Samba SL](https://www.g2.com/sellers/digital-samba-sl)
- **Year Founded:** 2003
- **HQ Location:** Barcelona, ES
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7cc12210e28da27cddeb0274fd5e7e0734e8e6f799d3674896f8429d5c342def&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F2709780%2F&secure%5Burl_type%5D=linkedin_company_website)  
10 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** E-Learning, Marketing and Advertising
- **Company Size:** 54% Small, 39% Medium

#### What Do G2 Reviewers Say About Digital Samba?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **ease of use** of Digital Samba, allowing for quick setup and a smooth video conferencing experience.
- Users praise the **easy setup** of Digital Samba, enabling a quick and efficient start for meetings and webinars.
- Users love the **consistent video quality** of Digital Samba, ensuring smooth experiences during large events without crashes.
- Users enjoy the **intuitive and reliable video communication** of Digital Samba, enhancing productivity and engagement during meetings.
- Users appreciate the **reliable performance** of Digital Samba, ensuring secure and seamless video communication for all participants.

##### Cons

- Users indicate that Digital Samba's **limited features** hinder overall experience and advanced usability, particularly on mobile.
- Users feel that **limited customization** options hinder the flexibility and efficiency during webinar setups and usage.
- Users feel that Digital Samba needs more **advanced features and integrations** to enhance their overall experience.
- Users note a **steep learning curve** for setting up webinars and discovering advanced features, requiring extra time and effort.
- Users often face **integration issues** with Digital Samba that hinder the overall user experience and ease of use.

#### What Are Recent G2 Reviews of Digital Samba?

**["EU-Hosted Privacy Solution with Room for Integration"](https://www.g2.com/survey_responses/digital-samba-review-13058801)**

**Rating:** 4.5/5.0 stars

_— Paloma E._

[Read full review](https://www.g2.com/survey_responses/digital-samba-review-13058801)

**["Health Education Sessions and Consultation Calls Stay Better Organized"](https://www.g2.com/survey_responses/digital-samba-review-12876825)**

**Rating:** 4.5/5.0 stars

_— Ishan S._

[Read full review](https://www.g2.com/survey_responses/digital-samba-review-12876825)

#### What Are G2 Users Discussing About Digital Samba?

- [What is Samba Live used for?](https://www.g2.com/discussions/what-is-samba-live-used-for) - 1 upvote

[
Sangoma Wholesale Carrier...
](https://www.g2.com/products/sangoma-wholesale-carrier-services/reviews)

By [Sangoma](https://www.g2.com/sellers/sangoma)

[

3.4/5(11)

](https://www.g2.com/products/sangoma-wholesale-carrier-services/reviews)

What do users say?

Users consistently praise the great support and easy management of DIDs, highlighting the platform's user-friendly interface and responsive customer service. Many appreciate the competitive pricing an

### [Sangoma Wholesale Carrier Services](https://www.g2.com/products/sangoma-wholesale-carrier-services/reviews)

Sangoma Wholesale Carrier Services helps businesses and service providers deliver reliable, high-value VoIP and communication solutions. We offer voice, messaging, hosted VoIP, billing, and 911 services—all at competitive wholesale pricing. Whether you're an ITSP, MSP, or enterprise, our SIP trunking and carrier services make it easy to expand your offerings and grow your business. Choose the features you need, pay only for what you use, and manage it all through our simple self-service portal. Easily handle billing, add or update features, and support multiple locations—all in one place.

**Average Rating:** 3.4/5.0

**Total Reviews:** 10

#### How Do G2 Users Rate Sangoma Wholesale Carrier Services?

- **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 10.0/10 (Category avg: 8.8/10)
- **Professional Support:** 8.3/10 (Category avg: 8.7/10)
- **Communication Varieties:** 6.7/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Sangoma Wholesale Carrier Services?

- **Seller:** [Sangoma](https://www.g2.com/sellers/sangoma)
- **Year Founded:** 1984
- **HQ Location:** Markham, ON
- **Twitter:** @Sangoma  
6,562 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=183cba1439bacc9086050b4b43d87674c6120a454ce7b1d903a2c4aa27f15bac&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F106543%2F&secure%5Burl_type%5D=linkedin_company_website)  
604 employees on LinkedIn®
- **Ownership:** TSX-V:STC

#### Who Uses This Product?

- **Top Industries:** Telecommunications
- **Company Size:** 64% Small, 36% Medium

#### What Are Recent G2 Reviews of Sangoma Wholesale Carrier Services?

**["Price and Connectivity"](https://www.g2.com/survey_responses/sangoma-wholesale-carrier-services-review-5071957)**

**Rating:** 5.0/5.0 stars

_— Tannu S._

[Read full review](https://www.g2.com/survey_responses/sangoma-wholesale-carrier-services-review-5071957)

**["integrated phone system"](https://www.g2.com/survey_responses/sangoma-wholesale-carrier-services-review-9125545)**

**Rating:** 5.0/5.0 stars

_— Rona a._

[Read full review](https://www.g2.com/survey_responses/sangoma-wholesale-carrier-services-review-9125545)

#### What Are G2 Users Discussing About Sangoma Wholesale Carrier Services?

- [What is VoIP Innovations used for?](https://www.g2.com/discussions/what-is-voip-innovations-used-for)

[
SignalWire
](https://www.g2.com/products/signalwire/reviews)

By [SignalWire](https://www.g2.com/sellers/signalwire)

[

3.4/5(6)

](https://www.g2.com/products/signalwire/reviews)

Product Description

SignalWire is a full-stack communications platform optimized for low latency, real-time control, and developer agility. Built by the team behind FreeSWITCH, it offers a seamless environment for progra

Pros and Cons

[
Analytics (1)
](https://www.g2.com/products/signalwire/reviews?qs=pros-and-cons)

### [SignalWire](https://www.g2.com/products/signalwire/reviews)

SignalWire is a full-stack communications platform optimized for low latency, real-time control, and developer agility. Built by the team behind FreeSWITCH, it offers a seamless environment for programming voice, video, messaging, and AI applications—without the overhead of legacy systems or vendor sprawl. From infrastructure to interaction, everything is unified, giving developers the power to build responsive, event-driven communications at any scale.

**Average Rating:** 3.4/5.0

**Total Reviews:** 6

#### How Do G2 Users Rate SignalWire?

- **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 9.0/10)
- **Ease Of Integration:** 8.0/10 (Category avg: 8.8/10)
- **Professional Support:** 7.0/10 (Category avg: 8.7/10)
- **Communication Varieties:** 7.9/10 (Category avg: 8.6/10)

#### Who Is the Company Behind SignalWire?

- **Seller:** [SignalWire](https://www.g2.com/sellers/signalwire)
- **Year Founded:** 2017
- **HQ Location:** Palo Alto, CA
- **Twitter:** @SignalWire  
1,522 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a8bec72ff2627702fec21a47c8d29177013c2ea0a267b949ebb273de0fdb4492&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fsignalwire%2F&secure%5Burl_type%5D=linkedin_company_website)  
85 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 83% Small, 17% Medium

#### What Do G2 Reviewers Say About SignalWire?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **detailed documentation** provided by SignalWire, making problem-solving straightforward and efficient.
- Users praise the **friendly and responsive customer support** of SignalWire, facilitating a smooth user experience.
- Users love the **ease of use** of SignalWire, enabling quick setup of features like AI agents in no time.
- Users love the **easy setup** of SignalWire, enabling quick deployment of features like AI agents in no time.
- Users find the **pricing fair** compared to competitors, enhancing their satisfaction and partnership with SignalWire.

#### What Are Recent G2 Reviews of SignalWire?

**["Amazing documentation and support."](https://www.g2.com/survey_responses/signalwire-review-10794666)**

**Rating:** 5.0/5.0 stars

_— Chris G._

[Read full review](https://www.g2.com/survey_responses/signalwire-review-10794666)

**["Great experiance with SignalWire"](https://www.g2.com/survey_responses/signalwire-review-11730332)**

**Rating:** 5.0/5.0 stars

_— Ibrar H._

[Read full review](https://www.g2.com/survey_responses/signalwire-review-11730332)

#### What Are G2 Users Discussing About SignalWire?

- [What is SignalWire used for?](https://www.g2.com/discussions/what-is-signalwire-used-for)

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Similar Categories

- [Cloud Platform as a Service (PaaS)](/categories/cloud-platform-as-a-service-paas)
- [Integrated Development Environments (IDE)](/categories/integrated-development-environments-ide)
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- [API Marketplace](/categories/api-marketplace)
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[Browse Communication Platform as a Service (CPaaS) Themes](/categories/communication-platform-as-a-service-cpaas/themes)

 ![Adam Crivello](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Adam Crivello")
AC

Researched and written by [Adam Crivello](https://research.g2.com/insights/author/adam-crivello)

Updated March 31, 2026

Communication platforms as a service (cPaaS), sometimes referred to as cloud communication platforms, provide tools for mobile developers to connect their mobile apps to a phone’s SMS, voice, and verification features via APIs. Developers use these products to add communication capabilities such as text notifications, user-to-user chatting, and voice connectivity to their applications. Many cPaaS platforms help developers customize how their products interact with these features via documentation around extensibility.

cPaaS allows developers to implement functionality beyond basic communications, such as [multi-factor authentication (MFA)](https://www.g2.com/categories/multi-factor-authentication-mfa) via texts and emails. These tools are often associated with [VoIP](https://www.g2.com/categories/voip), or voice over internet protocol software, which uses an IP network to transmit phone calls seamlessly without the need to connect to an extra telephone network.

To qualify for inclusion in the Communication Platforms as a Service (cPaaS) category, a product must:

- Host APIs allowing developers to integrate broad communication functionalities in their apps, beyond MFA or marketing comms
- Provide documentation around API interactions and extensibility

Show More

* * *

## How Do You Choose the Right Communication Platform as a Service (cPaaS) Platforms?

### What You Should Know About Communication Platform as a Service (cPaaS) Platforms

### Communication Platform as a Service (CPaaS) Software: Analyst Takeaways from G2’s Review Data

Communication Platform as a Service, also known as CPaaS software, is a cloud-based platform that helps businesses and users easily integrate real-time communication features into other applications and workflows. CPaaS allows developers and IT professionals to add voice, video, and messaging to their apps by using a cloud-based provider. CPaaS software stands out for how rapidly it’s reshaping how businesses communicate.

From my analysis after reviewing a dataset of 1000s of reviews, CPaaS software is a popular choice for startups and [small businesses](https://www.g2.com/categories/communication-platform-as-a-service-cpaas/small-business) due to most software of this type offering scalability and ease of integration. Large [enterprises](https://www.g2.com/categories/communication-platform-as-a-service-cpaas/enterprise) also seek to use this software to enhance customer experience and improve internal communication.

### What I Often See in CPaaS Software Feedback

#### Pros: What Users Consistently Appreciate

- **Ease of Use:** Users frequently emphasize that CpaaS platforms are intuitive, helping teams get started quickly without deep technical expertise.

_“Dotdigital is an intuitive, user-friendly platform that enables marketers of any level of ability to create impactful email campaigns, landing pages and enquiry forms. We love the access available to expert help when needed, and the detailed data reports we can generate following email campaigns.”_ - [Sarah B. Dotdigital Review](https://www.g2.com/products/dotdigital/reviews/dotdigital-review-11027122)

- **Seamless Integration:**  Many reviews highlight how easily CpaaS APIs plug into existing systems, streamlining deployment and allowing faster time to value.

_“I think Dot Digital is a great platform, I have used it across 2 jobs over the last 5 years or so and always found it to be leading ESP. I really enjoy how easy the email builder is to use, creating automations and segments is also really easy and effective. I think the integrations you can make are also great, we recently started using a parent and child account to work with two sister brands and found it really easy to set up, especially with our account manager now on hand to help with any issues. We use Dot Digital every day and have never have serious issues, I have been able to show less experienced colleagues how to use the paltform and get the up to speed very quickly”_ - [James A. Dotdigital Review](https://www.g2.com/products/dotdigital/reviews/dotdigital-review-11161494)

- **Reliable Support:** Strong customer support shows up repeatedly in positive feedback. Users appreciate responsive teams that can troubleshoot or guide implementation when needed.

_“I never had an easy platform to paly around with and guess what you have an API for everything so if you want to automate this, you can do so easily. Their support is perfect as they route your chat to the relevant team and your issues are totally solved and you get an answer at the end with what you are asking for. I'm getting jelous as we need this support in our team as well.” -_ [Mike R. Review](https://www.g2.com/products/telnyx-cpaas/reviews/telnyx-cpaas-review-10346368)

#### Cons: Where Many Platforms Fall Short

- **Delays and Downtime:** A smaller but important set of reviews call out service reliability and latency as pain points, particularly during high-traffic periods.

_“Sometimes users have experienced interface freezes or call lags, though these are not frequent. Can disrupt call flow in high-volume environments. The Basic User Interface Design is functional but outdated. It is slow or inconsistent in support at times especially during critical issues.”_ - [Nistha S. Ozonetel Review](https://www.g2.com/products/ozonetel/reviews/ozonetel-review-11114319)

- **Support Gaps: ** While support is often praised, it’s also one of the top complaints—suggesting inconsistency in experiences across vendors or geographies.

_“There are areas for improvement. Occasionally, the reimbursement tracking feels a bit slow when syncing with our financial systems, which can delay updates. That said, the customer support team has been responsive and helpful whenever we've faced issues.” -_ [Muhammed W. Pluto Review](https://www.g2.com/products/plutocard/reviews/pluto-review-10793201)

- **Unclear Pricing** – Users mention they “don’t like” pricing surprises or a lack of transparency in usage-based billing models.

_“The pricing structure is complicated, especially when dealing with multiple APIs and international rates.”_ - [Nirav R. Vonage Communications Review](https://www.g2.com/products/vonage-communications-apis/reviews/vonage-communications-apis-review-9878969)

### My Expert Takeaway on CPaaS Software in 2025

My takeaway is that the most successful teams using CPaaS software treat it not just as a comms add-on, but as a core layer of customer engagement. Startups, Small businesses, and enterprises often integrate CPaaS into their workflows—support tickets, logistics tracking, or even onboarding flows—where responsiveness is key.

From a metrics standpoint, the **average star rating across reviews is a strong 4.48, and the likelihood to recommend averages at 8.97** , signaling broad satisfaction. Ease of use (6.31/7) and quality of support (6.32/7) rank high, underscoring the category’s maturity.

Industries like healthcare and fintech, where security and speed are important, are especially heavy adopters. If your team is scaling operations and needs a reliable way to keep customers in the loop, CpaaS deserves serious consideration.

[Brittany Guntang](https://learn.g2.com/author/brittany-guntang)

**Last updated on May 19, 2025**

###