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Kinde

Auth & Identity Free key (no card)

AuthenticationFree key (no card)
Rate limitFree: 10,500 monthly active users, no credit card; API limits follow standard per-endpoint policies.

Documentation: docs.kinde.com ยท Checked Sep 13, 2026

About

Kinde is a hosted authentication platform built for developers, offering login, social sign-in, MFA, and organizations through simple SDKs and APIs. The free plan is $0 forever with no credit card and includes 10,500 monthly active users, email, SMS, and social login, MFA, organizations, one webhook, ten feature flags, two environments, and machine-to-machine apps. Its Account and Management APIs cover user profile and admin tasks. It is a strong, generous alternative to bigger auth vendors.

Details

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

Auth: Free key (no card)

Rate limit: Free: 10,500 monthly active users, no credit card; API limits follow standard per-endpoint policies.

Verified: 2026-09-13

Best for: user login SaaS startups MFA

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Setup

  1. Sign up for the free plan at kinde.com, no card required.
  2. Create an application and copy your domain and client credentials.
  3. Install the Kinde SDK for your framework.
  4. Configure callback URLs and login methods in the dashboard.
  5. Call the Account API with a bearer access token for user data.
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