plugmyagent

Auth0

Auth & Identity Free key (no card)

AuthenticationFree key (no card)
Rate limitFree: up to 25,000 monthly active users, 1 custom domain, 5 organizations; Management API rate limits vary by endpoint.

Documentation: auth0.com ยท Checked Sep 13, 2026

About

Auth0 by Okta is a hosted authentication platform that adds login, signup, social sign-in, and passwordless to any app through SDKs and APIs. The free plan needs no credit card and covers up to 25,000 monthly active users, one custom domain, unlimited social connections, passwordless login, five organizations, and one enterprise connection. The Management API lets you automate user, role, and tenant administration. It is the most feature-complete free auth tier available.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Free: up to 25,000 monthly active users, 1 custom domain, 5 organizations; Management API rate limits vary by endpoint.

Verified: 2026-09-13

Best for: user login SSO B2B SaaS

Read the docs Back to catalog

Setup

  1. Sign up free at auth0.com with no credit card.
  2. Create an application and choose your tech stack.
  3. Configure allowed callback URLs for your app.
  4. Install the Auth0 SDK for your framework.
  5. Use the Management API with a bearer token for admin tasks.
Sign up