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.
Errors
If you receive a 429 error code, that means your IP address has been rate limited. All requests coming from your IP address will be affected for 10 minutes. If you urgently need access, please contact us at https://clerk.com/support.
Frontend API Requests
| Name | Type | Description |
|---|---|---|
| Create SignIn | /v1/sign_ins | 10 requests per 10 seconds |
| Create SignUp | /v1/sign_ups | 10 requests per 10 seconds |
| Attempt SignIn | /v1/sign_ins/attempt_(first|second)_factor | 3 requests per 10 seconds |
| Attempt SignUp | /v1/sign_ups/attempt_verification | 3 requests per 10 seconds |
Backend API Requests
| Name | Type | Description |
|---|---|---|
| Create users | POST /v1/users | 20 requests per 10 seconds |
| All other endpoints | 100 requests per 10 seconds |