FusionAuth is a powerful customer identity and access management (CIAM) platform designed for developers, by developers. Headquartered in Denver, Colorado, FusionAuth was founded in 2016 to provide secure, scalable, and flexible authentication solutions for modern applications. Trusted by startups and Fortune 500 enterprises alike, FusionAuth supports organizations of all sizes across industries such as fintech, energy, retail, manufacturing, gaming, healthcare, and more. With an API-first architecture and on-premises, cloud, and hybrid deployment options, FusionAuth delivers the control and flexibility businesses need without unnecessary complexity. Unlike SaaS-only CIAM solutions that impose mocking and context switching on developers, FusionAuth is the only downloadable auth solution with a hybrid deployment model for diverse pipelines. Whether you want better user conversion into your app, your customers require advanced authentication features like SSO and MFA, or auth needs to align with broader transformation and security initiatives, FusionAuth delivers the performance and scalability of a single-tenant VIP suite. Developers can integrate FusionAuth in minutes using SDKs for every major programming language, enabling seamless authentication, registration, single sign-on (SSO), multi-factor authentication (MFA), social login, authorization, and more. FusionAuth solves the challenges of identity management by eliminating security risks, reducing development time, and offering complete control over user data. Whether you need to migrate millions of users, implement enterprise-grade authentication, or ensure compliance with stringent security standards, FusionAuth provides a seamless, customizable solution that grows with your business. With an industry-leading time-to-value, FusionAuth empowers developers to focus on building great products while ensuring a frictionless, secure user experience.