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Rate limits
Requests per minute per key and the RateLimit headers.
Each API key can make 120 requests every 60 seconds. The MCP server counts against the same window.
Headers#
Every answer tells you where you stand:
| Header | Meaning |
|---|---|
RateLimit-Limit | Requests allowed in the window. |
RateLimit-Remaining | Requests left in the current window. |
RateLimit-Reset | Seconds until the window resets. |
Retry-After | On a 429 only: seconds to wait before retrying. |
When you hit the limit#
The answer is 429 with the code rate_limited. Wait for Retry-After seconds and retry. Spread batch work out rather than retrying in a tight loop.