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Authentication

Discover free and reliable Authentication APIs on Free API Hub to integrate secure user login, multi-factor authentication, and identity verification features. Ideal for web and mobile developers who need simple yet powerful security solutions.

6 APIs 0 AI Models 6 Total

6 resources

Authenticationpublic

GetOTP API

1 endpoints

70 popularity

The GetOTP API offers developers a straightforward method to send and valid...

Authentication

Required

Base URL

https://otp.dev/api/v1

passwordlessotp2fa+6

Authenticationpublic

Clerk Authentication API

1 endpoints

85 popularity

The Clerk Authentication API provides developers with a robust solution for...

Authentication

Required

Base URL

https://api.clerk.com/v1

passkeyssocial-loginclerk+6

Authenticationpublic

Auth0 Authentication API

1 endpoints

85 popularity

Auth0 Authentication API offers a production-ready solution for integrating...

Authentication

Required

Base URL

https://YOUR_DOMAIN.auth0.com

jwtidentitymfa+6

Authenticationpublic

MojoAuth API

1 endpoints

75 popularity

MojoAuth API provides developers with a passwordless authentication solutio...

Authentication

Required

Base URL

https://api.mojoauth.com

magic-linkpasswordlessotp+5

Authenticationpublic

OAuth 2.0 API

1 endpoints

85 popularity

The OAuth 2.0 API offers developers a free and standardized way to implemen...

Authentication

Required

Base URL

https://oauth.net/2

access-tokenapi-authopen-standard+5

Authenticationpublic

OpenID Connect API

1 endpoints

85 popularity

The OpenID Connect API provides developers with a robust solution for secur...

Authentication

Required

Base URL

https://openid.net/connect

open-standardfederated-identityopenid-connect+4