Rate Limits
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Every response includes three headers reporting your current rate-limit status:
| Header | Meaning |
|---|---|
X-RateLimit-Limit | The total number of requests allowed in the current window |
X-RateLimit-Remaining | Requests left before the next reset |
X-RateLimit-Reset | Unix timestamp (seconds) when the window resets |
Limits by tier
| Tier | Requests / minute | Burst capacity | Concurrent connections |
|---|---|---|---|
| Free | 60 | 10 | 2 |
| Pro | 600 | 50 | 10 |
| Enterprise | 6,000 | 200 | 50 |
Exceeding your limit returns 429 Too Many Requests with a Retry-After header (seconds). Respect it - repeatedly retrying before it elapses can trigger a temporary, stricter penalty on top of the normal limit.
See Introduction for the token-bucket formula these limits are based on.