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

# Errors

> API error responses

## Error Format

All errors return this format:

```json theme={null}
{
  "err": "Error message here",
  "response": null
}
```

## HTTP Status Codes

| Code  | Description                             |
| ----- | --------------------------------------- |
| `200` | Success                                 |
| `400` | Bad Request - Invalid parameters        |
| `401` | Unauthorized - Invalid API key          |
| `403` | Forbidden - Insufficient permissions    |
| `404` | Not Found - Resource doesn't exist      |
| `429` | Too Many Requests - Rate limit exceeded |
| `500` | Server Error - Something went wrong     |

## Common Errors

### Invalid API Key

```json theme={null}
{
  "err": "Invalid API key",
  "response": null
}
```

**Solution:** Check your API key in Dashboard → Settings

### Bot Not Found

```json theme={null}
{
  "err": "Bot not found",
  "response": null
}
```

**Solution:** Verify bot ID is correct

### Rate Limit Exceeded

```json theme={null}
{
  "err": "Rate limit exceeded",
  "response": null
}
```

**Solution:** Wait or upgrade your plan

## Next Steps

<CardGroup cols={2}>
  <Card title="Authentication" icon="lock" href="/api-reference/authentication">
    API authentication
  </Card>

  <Card title="Rate Limits" icon="gauge" href="/api-reference/rate-limits">
    Rate limit details
  </Card>
</CardGroup>