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What are the best Authorized Partner API Specification alternatives? (2026)

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

Looking for alternatives to

Authorized Partner API Specification

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

apiKeyHTTPS
Best Authentication & Authorization APIsCompare all Authentication & Authorization APIs

What Authentication & Authorization APIs can replace Authorized Partner API Specification?

13 APIs

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

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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