# Top Free API Mocking Software Check out our list of free API Mocking Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features. If you'd like to see more products and to evaluate additional feature options, compare all [API Mocking Software](https://www.g2.com/categories/api-mocking) to ensure you get the right product. ## View Free API Mocking Software G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies). **7** API Mocking Products Available View all [API Mocking Software](https://www.g2.com/categories/api-mocking) View all [API Mocking Software](https://www.g2.com/categories/api-mocking) [ ### Apidog ](https://www.g2.com/products/apidog/reviews) [By Apidog](https://www.g2.com/sellers/apidog) [ (214)4.9 out of 5 ](https://www.g2.com/products/apidog/reviews#reviews "Read Apidog Reviews") Product Description Apidog Inc. is a US development platform company founded in 2022. The company operates internationally, serving clients ranging from small teams to enterprise-level organizations with flexible pricing **Users:** Software Engineer, Senior Software Engineer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 46% Small-Business, 31% Mid-Market ![Aayush N.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aayush N.") AN I like how Apidog is easy to use, and once I got my hands on it, I couldn't leave it hanging—it's become a lifetime tool for me. As a QA in an IT...[Read review](https://www.g2.com/products/apidog/reviews/apidog-review-12197063) ![Dan T.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Dan T.") DT Free up to 4 users, lots of features and the UI looks GREAT. I used Postman for so many years, now they limit the free plan to single user only...[Read review](https://www.g2.com/products/apidog/reviews/apidog-review-12287614) Year Founded 2023 HQ Location Middletown, US Company Website https://apidog.com/ LinkedIn® Page https://www.linkedin.com/company/anakin-ai/ [ ### Beeceptor ](https://www.g2.com/products/beeceptor/reviews) [By Beeceptor](https://www.g2.com/sellers/beeceptor) [ (76)4.8 out of 5 ](https://www.g2.com/products/beeceptor/reviews#reviews "Read Beeceptor Reviews") Product Description Beeceptor is an AI-powered API and Service virtualization platform that helps you eliminate dependencies, accelerate testing, and deliver software faster. Instead of waiting for backend services, thir **Users:** Software Developer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 51% Small-Business, 25% Mid-Market ![MOHIT L.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "MOHIT L.") ML Beeceptor is a awesome tool for mock APIs. It is very useful in setting up a quick mock url, Customized responses, Delayed responses. Additionally...[Read review](https://www.g2.com/products/beeceptor/reviews/beeceptor-review-10483361) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") UF I use Beeceptor to assist our customers when they are integrating our API. Being able to set up endpoints, rules, and replicate what our customers...[Read review](https://www.g2.com/products/beeceptor/reviews/beeceptor-review-11323916) Year Founded 2017 HQ Location Hyderabad, Telangana Company Website https://beeceptor.com Twitter @beeceptor LinkedIn® Page https://www.linkedin.com/company/beeceptor/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ ### Mockoon ](https://www.g2.com/products/mockoon-mockoon/reviews) [By Mockoon](https://www.g2.com/sellers/mockoon) [ (17)4.5 out of 5 ](https://www.g2.com/products/mockoon-mockoon/reviews#reviews "Read Mockoon Reviews") Product Description Mockoon is a powerful, open-source platform designed to streamline API mocking processes. It offers a comprehensive suite of tools tailored to meet the needs of developers, QA engineers, and teams wor **Industries:** Computer Software · **Market Segment:** 41% Small-Business, 35% Enterprise ![Arjun R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Arjun R.") AR Easy setup and initial configuration really help create easy simulated API calls for REST API testing. It helps in easily creating complex API call...[Read review](https://www.g2.com/products/mockoon-mockoon/reviews/mockoon-review-6714183) ![Shubham S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Shubham S.") SS Mockoon is completely free to use unlike many other applications in the market to test the REST Apis without deployment of the application which...[Read review](https://www.g2.com/products/mockoon-mockoon/reviews/mockoon-review-6968597) Year Founded 2017 HQ Location Luxembourg Company Website https://mockoon.com LinkedIn® Page https://www.linkedin.com/company/mockoon [ ### AutoStub 2.0 ](https://www.g2.com/products/autostub-2-0/reviews) [By Torry Harris Business Solutions](https://www.g2.com/sellers/torry-harris-business-solutions-c3668e74-c103-4807-af4b-6e3d792d8cd4) [ 0 ratings ](https://www.g2.com/products/autostub-2-0/reviews#reviews "Read AutoStub 2.0 Reviews") Product Description AutoStub™ is an essential tool to fasten API development. It can significantly reduce your build time by quickly designing, prototyping, documenting and testing the APIs. AutoStub creates a functiona Year Founded 1998 HQ Location Perth Amboy, US Company Website https://www.torryharris.com/ Twitter @torryharris LinkedIn® Page https://www.linkedin.com/company/torry-harris-integration-solutions [ ### Sparrow ](https://www.g2.com/products/sparrow-2025-01-07/reviews) [By Techdome](https://www.g2.com/sellers/techdome) [ 0 ratings ](https://www.g2.com/products/sparrow-2025-01-07/reviews#reviews "Read Sparrow Reviews") Product Description Sparrow is an AI-powered API testing platform designed to streamline and automate testing for developers, QA engineers, and DevOps teams. It supports REST and GraphQL APIs, integrates seamlessly with Year Founded 2020 HQ Location Hyderabad, IN Company Website https://techdome.io/ LinkedIn® Page https://www.linkedin.com/company/techdome-solutions Ownership Rahul Joshi Phone 7723849516 [ ### Speedscale ](https://www.g2.com/products/speedscale/reviews) [By Speedscale](https://www.g2.com/sellers/speedscale) [ 0 ratings ](https://www.g2.com/products/speedscale/reviews#reviews "Read Speedscale Reviews") Product Description Speedscale captures real production HTTP, gRPC, and SQL traffic inside your own Kubernetes cluster and turns it into a closed AI-agent loop: discover → spec → triage → reproduce → validate → PR. Nothi Year Founded 2020 HQ Location Atlanta, US Company Website https://speedscale.com/ Twitter @Speedscaleai LinkedIn® Page https://www.linkedin.com/company/speedscale [ ### Zunoy MockAPI ](https://www.g2.com/products/zunoy-mockapi/reviews) [By Zunoy](https://www.g2.com/sellers/zunoy) [ 0 ratings ](https://www.g2.com/products/zunoy-mockapi/reviews#reviews "Read Zunoy MockAPI Reviews") Product Description Zunoy MockAPI is an API mocking and simulation tool that helps developers test, prototype, and validate API-based workflows without relying on backend systems or production services. It belongs to the HQ Location Bengaluru, IN Company Website https://zunoy.com/ LinkedIn® Page https://www.linkedin.com/company/zunoy Ownership Zunoy Phone +91