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

# Rate Limits

| Tier | Per-minute limit | Lifetime cap |
| ---- | ---------------- | ------------ |
| Free | 60 requests/min  | 300 calls    |
| Pro  | 600 requests/min | Unlimited    |

When rate limited, the API returns HTTP 429 with a `Retry-After` header.