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

# Errors

> HTTP error codes and error response format.

## Error response format

```json theme={null}
{
  "error": "Human-readable message",
  "code": "MACHINE_READABLE_CODE"
}
```

The `code` field is present for structured errors but may be omitted for simple validation failures.

## Common HTTP status codes

| Status | Meaning                                                   |
| ------ | --------------------------------------------------------- |
| 400    | Validation error, missing payout wallet, bad request body |
| 401    | Missing or invalid API key                                |
| 403    | Insufficient scope or store mismatch                      |
| 404    | Resource not found                                        |
| 409    | External order ID conflict                                |
| 429    | Rate limit exceeded                                       |
| 500    | Internal server error                                     |

## Error codes

| Code                                  | Description                              |
| ------------------------------------- | ---------------------------------------- |
| `BOOTSTRAP_KEY_INVOICE_FORBIDDEN`     | Connection key used for invoice creation |
| `EXTERNAL_ORDER_INTEGRATION_CONFLICT` | Order ID belongs to another integration  |
| `INSUFFICIENT_SCOPE`                  | API key lacks required scope             |
| `SITE_ALREADY_CONNECTED`              | Woo site bound to another store          |
| `INTEGRATION_NOT_FOUND`               | Woo integration not found on disconnect  |

## Related pages

* [Common API errors](/troubleshooting/common-api-errors)