> For the complete documentation index, see [llms.txt](https://eventx-hq.gitbook.io/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eventx-hq.gitbook.io/knowledge-base/api-v2/rate-limiting.md).

# Rate Limiting

* **Limit:** 300 requests per 60-second window, per client IP
* **Key:** `CF-Connecting-IP` header (provided by Cloudflare)
* **Applied to:** `POST /auth` and all `/v2/*` endpoints
* **On exceed:** HTTP 429 with `ERR_PUBLIC_API_RATE_LIMITED` and a `Retry-After` header