> For the complete documentation index, see [llms.txt](https://developer.providusbank.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.providusbank.com/xpress-wallet-api/merchant/customers/update-customer-profile.md).

# Update Customer Profile

Update a customer's profile information.

* **Endpoint**: `PUT {{base-url}}/customer/{customerId}`
* **Path Parameters**:
  * `customerId`: The unique ID of the customer (e.g., `6834b937-bdf0-430e-9600-90009cd5c92e`).
* **Headers**:

  ```json
  {
    "X-Access-Token": "{{access-token}}",
    "X-Refresh-Token": "{{refresh-token}}"
  }
  ```
* **Body**:

  ```json
  {
    "firstName": "Updated",
    "lastName": "James",
    "address": "No 10, Adewale street",
    "phoneNumber": "08048584833",
    "metadata": {
      "others": "anything"
    }
  }
  ```
* **Response**:
  * **200 OK**:

    ```json
    {
      "status": true,
      "customer": {
        "firstName": "Updated",
        "lastName": "Customer",
        "email": "democustomer1@qa.team",
        "phoneNumber": "08030223344",
        "dateOfBirth": "1991-09-13"
      }
    }
    ```
* **Sample Code (Dart)**:

  ```dart
  var headers = {
    'X-Access-Token': '{{access-token}}',
    'X-Refresh-Token': '{{refresh-token}}'
  };
  var request = http.Request('PUT', Uri.parse('{{base-url}}/customer/49d4ea6d-d3dc-490c-800d-7c50b89cf8ff'));
  request.body = '''{
    "firstName": "Updated"
  }''';
  request.headers.addAll(headers);
  http.StreamedResponse response = await request.send();
  if (response.statusCode == 200) {
    print(await response.stream.bytesToString());
  } else {
    print(response.reasonPhrase);
  }
  ```