> ## Documentation Index
> Fetch the complete documentation index at: https://readme.amana-dev.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Set language

> Set the user's preferred language.

## Body

Content type: `application/json`

<ParamField body="lang" type="enum<string>" required>
  Language code for the returned content, for example en or ar.

  Available options: `en`, `ar`
</ParamField>

## Response

`200` Success.

<ResponseField name="success" type="boolean" />

## Possible Errors

| Error | Possible cause | What to do |
| - | - | - |
| 400 | Invalid or missing field | Check the request against the schema. |
| 401 | Token missing or expired | Log in again or use the refresh token. |
| 403 | IP not whitelisted, or account restricted | Confirm your IP is whitelisted; otherwise contact Amana. |
| 429 / 5xx | Rate limit, or temporary issue on our side | Retry with backoff; contact support if it persists. |

<RequestExample>
  ```bash cURL theme={null}
  curl --request PUT \
    --url 'https://gateway.amana.io/user/language/' \
    --header 'Authorization: Bearer <token>' \
    --header 'Content-Type: application/json' \
    --data '{
    "lang": "en"
  }'
  ```

  ```python Python theme={null}
  import requests

  url = "https://gateway.amana.io/user/language/"
  headers = {"Authorization": "Bearer <token>", "Content-Type": "application/json"}
  payload = {
      "lang": "en"
  }

  response = requests.request("PUT", url, json=payload, headers=headers)
  print(response.json())
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch('https://gateway.amana.io/user/language/', {
    method: 'PUT',
    headers: {"Authorization": "Bearer <token>", "Content-Type": "application/json"},
    body: JSON.stringify({"lang": "en"}),
  });
  console.log(await response.json());
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "success": true
  }
  ```

  ```json 400 theme={null}
  {
    "error": "<string>",
    "message": "<string>"
  }
  ```

  ```json 401 theme={null}
  {
    "error": "<string>",
    "message": "<string>"
  }
  ```

  ```json 403 theme={null}
  {
    "error": "<string>",
    "message": "<string>"
  }
  ```

  ```json 429 theme={null}
  {
    "error": "<string>",
    "message": "<string>"
  }
  ```

  ```json 500 theme={null}
  {
    "error": "<string>",
    "message": "<string>"
  }
  ```
</ResponseExample>


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