# Rate Limiting

Rate limits apply per wallet address (when available) or IP address:

* **Authentication**: 10-60 requests/minute depending on endpoint
* **Transactions**: 20 requests/minute per wallet
* **History**: 20 requests/minute per wallet
* **x402 Protected**: Enforced by payment protocol

Rate limit headers:

```http
X-RateLimit-Limit: 100
X-RateLimit-Remaining: 95
X-RateLimit-Reset: 1640995200
```
