> ## Documentation Index
> Fetch the complete documentation index at: https://docs.waterfall.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Rate limit

> Rate limit behavior and response headers.

All endpoints are rate-limited, except Account endpoints.

<Warning>
  If you hit limits frequently, contact your account manager for capacity planning.
</Warning>

## Headers you may receive

| Header | Meaning |
| - | - |
| `X-RateLimit-Limit` | Max requests allowed in interval |
| `X-RateLimit-Interval` | Interval duration in seconds |
| `Retry-After` | Seconds to wait before retry |

## Retry guidance

* Respect `Retry-After` when present.
* Use exponential backoff for repeated retries.


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