Clerk logo

Clerk Docs

Ctrl + K
Go to

Rate limits

Rate limiting on Clerk's APIs

Rate limits

Clerk rate limits certain endpoints to help protect users against brute-force attacks or to stop abuse of Clerk's platform. Rate limiting is based on IP Addresses


If you receive a 429 error code, that means your IP address has been rate limited. All requests coming freom your IP address will be affected for 1 hour. If you urgently need access, please contact us at

Frontend API Requests

POST /v1/sign_ins

60 requests per 1min period

POST /v1/sign_ins/attempt_first_factor

60 requests per 1min period

POST v1/sign_ups/prepare_verification

3 requests per 10 second period

Was this helpful?

Clerk © 2022