Authentication & Authorization APIs
Browse 8 free Authentication & Authorization APIs for your next project.
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Auth0
Easy to implement, adaptable authentication and authorization platform
apiKeyHTTPSCORS
Clerk
Drop-in React components for authentication and authorization
apiKeyHTTPSCORS
Corbado
Passkey-first authentication
apiKeyHTTPSCORS
GetOTP
Implement OTP flow quickly
apiKeyHTTPS
Kinde
Authentication for modern applications. Integrates in minutes and free up to 7,500 MAU
OAuthHTTPS
MojoAuth
Secure and modern passwordless authentication platform
apiKeyHTTPSCORS
Stytch
User infrastructure for modern applications
apiKeyHTTPS
Warrant
APIs for authorization and access control
apiKeyHTTPSCORS