FMFlowMatrix
Auth & Identityauthssouser-managementsecurity

Clerk Authentication API

The Clerk API delivers ready-made authentication with SSO, multi-factor login and user management – quickly integrated into modern web apps.

Provider
Clerk
Pricing
Free up to 10,000 MAU
Authentication
Secret key
API key
Required
Get started

Start building with Clerk

Create an account, get your API key and start integrating Clerk Authentication API.

Technical details

Endpoint
https://api.clerk.com/v1
Authentication
Secret key
Rate limit
Plan-based limits
SDKs
JavaScriptReactNext.jsRemix
Documentation
Open official docs

Details

Features
Ready-made login and signup UISSO and multi-factor authenticationUser and session managementPrebuilt React components
Use case
SaaS applications that need fast, secure user management

More APIs