> For the complete documentation index, see [llms.txt](https://api.senderwiz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.senderwiz.com/customer/subaccounts/update-a-subaccount.md).

# Update a Subaccount

### ✏️ Update a Subaccount

Modify the first name, last name, email, password, or timezone of a specific subaccount.

***

#### 🔹 HTTP Request

```http
PUT API-URL/children/CHILD-UNIQUE-ID
```

***

#### 🔸 URL Segments

| Segment           | Required | Description                         |
| ----------------- | -------- | ----------------------------------- |
| `CHILD-UNIQUE-ID` | ✅        | Unique identifier of the subaccount |

***

#### 🔣 POST Parameters

| Parameter    | Type   | Required | Description                           |
| ------------ | ------ | -------- | ------------------------------------- |
| `first_name` | string | No       | Updated first name                    |
| `last_name`  | string | No       | Updated last name                     |
| `email`      | string | No       | Updated email address                 |
| `password`   | string | No       | New login password                    |
| `timezone`   | string | No       | Updated timezone (e.g., Asia/Kolkata) |

***

#### 🔐 Authorization Header

```http
X-API-KEY: your-api-key-here
```

***

#### 💻 PHP Example

```php
// UPDATE SUBACCOUNT
$response = $endpoint->updateChild('8e12c91b4a2d1', [
    'first_name' => 'Sophia-Updated',
    'last_name'  => 'Green',
    'email'      => 'sophia.updated@demo.com',
    'timezone'   => 'Asia/Kolkata'
]);

// DISPLAY RESPONSE
echo '<hr /><pre>';
print_r($response->body);
echo '</pre>';
```

***

#### 📦 Sample JSON Response

```json
{
  "status": "success",
  "data": {
    "child_uid": "8e12c91b4a2d1",
    "first_name": "Sophia-Updated",
    "last_name": "Green",
    "email": "sophia.updated@demo.com",
    "timezone": "Asia/Kolkata",
    "status": "active",
    "last_updated": "2025-06-04 15:10:22"
  }
}
```

***

#### 📃 Notes

* You only need to pass the fields you want to update.
* Ensure the email address is unique within your account.