How many alternatives to Auth0 are there?

There are 13 alternatives to Auth0 listed on patchBay, all in the Authentication & Authorization category.

Are there free alternatives to Auth0 with no authentication?

All alternatives to Auth0 on patchBay currently require some form of authentication.

What are the best Auth0 alternatives? (2026)

Q: What is the best alternative to Auth0?

The best alternative to Auth0 is Authorized Partner API Specification. To access files in user’s DigiLocker account from your application, you must first obtain user’s authorization. Other alternatives include Clerk, Corbado, Ex Libris APIs.

The top alternative to Auth0 is Authorized Partner API Specification, followed by Clerk and Corbado. We compared 13 Authentication & Authorization APIs you can use instead of Auth0.

Looking for alternatives to

Auth0

Easy to implement, adaptable authentication and authorization platform

apiKeyHTTPSCORS

Best Authentication & Authorization APIs Compare all Authentication & Authorization APIs

What Authentication & Authorization APIs can replace Auth0?

13 APIs

Authorized Partner API Specification

To access files in user’s DigiLocker account from your application, you must first obtain user’s authorization.

apiKeyHTTPS

Clerk

Drop-in React components for authentication and authorization

apiKeyHTTPSCORS

Corbado

Passkey-first authentication

apiKeyHTTPSCORS

Ex Libris APIs

For more information on how to use these APIs, including how to create an API key required for authentication, see [Alma REST APIs](https://developers.exlibrisgroup.com/alma/apis).

apiKeyHTTPS

GetOTP

Implement OTP flow quickly

apiKeyHTTPS

Kinde

Authentication for modern applications. Integrates in minutes and free up to 7,500 MAU

OAuthHTTPS

Labs64 NetLicensing RESTful API Test Center

The Labs64 <a href='https://netlicensing.io/wiki/restful-api' target='_blank'>NetLicensing RESTful API</a> gives you access to NetLicensing’s core features.<br/><br/><strong>Authentication</strong>...

apiKeyHTTPS

Micro User Service

User management and authentication

apiKeyHTTPS

MojoAuth

Secure and modern passwordless authentication platform

apiKeyHTTPSCORS

SAWO Labs

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

apiKeyHTTPSCORS

Stytch

User infrastructure for modern applications

apiKeyHTTPS

Swagger Petstore

This is a sample server Petstore server. You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/). For this...

OAuthHTTPS

Warrant

APIs for authorization and access control

apiKeyHTTPSCORS

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Featured APIs appear first in alternatives pages, category rankings, and the homepage. Launch partner rate: $29/mo.

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