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THE BUILDING BLOCKS

Authentication & Authorization APIs

Browse authentication & authorization APIs by access requirements and source. Open a provider guide to compare authentication, documentation, and usage conditions before integrating.

7APIs to explore

Community listing

Authentication & Authorization

Auth0

Easy to implement, adaptable authentication and authorization platform

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

GetOTP

Implement OTP flow quickly

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

Micro User Service

User management and authentication

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

MojoAuth

Secure and modern passwordless authentication platform

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

SAWO Labs

Simplify login and improve user experience by integrating passwordless authentication in your app

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

Stytch

User infrastructure for modern applications

Reported: API keyCheck pricing

Community listing

Authentication & Authorization

Warrant

APIs for authorization and access control

Reported: API keyCheck pricing

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Know what’s been checked. Reviewed guides include provider documentation and examples. Community listings contain reported information that may have changed. Our methodology →