---
metadata:
  - name: generator
    content: Diplodoc Platform v5.50.1
alternate:
  - https://yandex.com/dev/adfox/doc/en/statistics/codes.md
  - https://yandex.com/dev/adfox/doc/ru/statistics/codes.md
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/dev/adfox/doc/en/llms.txt

# Response codes and errors

HTTP response codes are shown in the table.

#|
|| **Value** | **Description** ||
|| 204 | No data that's required for building the report ||
|| 400 | The request parameters are specified incorrectly ||
|| 403 | No access to the requested information ||
|| 429 | Limit for downloading reports exceeded ||
|#

If an error occurs, the following structure is returned:

```javascript
{
  "error": {
      "code": (int)
      "message": (string)
  }
}
```

#|
|| **Parameter** | **Type** | **Description** ||
|| 
`code` | int | Error code. ||
|| 
`message` | string | An error message or a list of blank fields. ||
|#
