Clerk API
Authentication & Authorization · Unknown · 30d uptime 100%
The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
Yes
Rate limit
10,000 requests/minute; 10,000 MAU free
Health
218ms
Trust score
94 (A)
Excellent production-readiness signals.
Links
- Homepageclerk.com
- Documentationclerk.com/docs
- Base URLclerk.com/docs
Integration checklist
- Auth is API_KEY— no credit card required
- CORS enabled — callable directly from browsers.
- Rate limit: 10,000 requests/minute; 10,000 MAU free