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

# Rate Limits

> API rate limits and quotas

| Plan       | Requests/min | Requests/day | Concurrent |
| ---------- | ------------ | ------------ | ---------- |
| Free       | 60           | 1,000        | 5          |
| Starter    | 300          | 10,000       | 20         |
| Pro        | 1,000        | 100,000      | 50         |
| Enterprise | Custom       | Custom       | Custom     |

## Headers

Every response includes rate limit headers:

```
X-RateLimit-Limit: 300
X-RateLimit-Remaining: 295
X-RateLimit-Reset: 1708300800
```

## Handling Rate Limits

```typescript theme={null}
if (response.status === 429) {
  const retryAfter = response.headers.get("Retry-After");
  await new Promise(r => setTimeout(r, retryAfter * 1000));
  return retry();
}
```