# API Update Virtual Card User

### Endpoint: PUT /v2/vc/virtual-cards/{virtualCardRequestId}/card-user

### Description: Update the user contact information associated with a virtual card for receiving transaction notifications and OTP verification. This API allows merchants to modify the email address and phone number that will be used for sending OTP codes and transaction alerts when the virtual card is used for payments.

***

## Request

### Request Body Field Descriptions (JSON)

| Field Name            | Type   | Required | Description                                                                         |
| --------------------- | ------ | -------- | ----------------------------------------------------------------------------------- |
| cardUserEmail         | string | No       | Email to receive OTP when user making transactions (Default using merchant's email) |
| cardUserPhone         | string | No       | Phone number to receive OTP SMS when user making transactions                       |
| cardUserPhoneZoneCode | string | No       | Phone number zone code (Insert `"+"` before zone number)                            |

### Request sample

```json
{
  "cardUserPhoneZoneCode": "+84",
  "cardUserPhone": "987654321",
  "cardUserEmail": "john.doe@gmail.com"
}
```

## Response

### Response Field Descriptions

| Field Name                  | Type   | Description                                                   |
| --------------------------- | ------ | ------------------------------------------------------------- |
| code                        | number | Response code                                                 |
| state                       | number | State of the response                                         |
| data.merchantCode           | string | Merchant code                                                 |
| data.virtualCardRequestId   | string | Virtual card request identifier                               |
| data.cardUser.email         | string | Email to receive OTP when user making transactions            |
| data.cardUser.phoneZoneCode | string | Phone number zone code                                        |
| data.cardUser.phone         | string | Phone number to receive OTP SMS when user making transactions |
| message                     | string | Response message                                              |
| neoResponseId               | string | Unique Neo response identifier                                |

### Response sample

```json
{
  "code": 1,
  "state": 2,
  "data": {
    "merchantCode": "COLRLC",
    "virtualCardRequestId": "dcf35140-f306-4a2d-9435-3c2e2d606c19",
    "cardUser": {
      "email": "john.doe@gmail.com",
      "phone": "+84",
      "phoneZoneCode": "987654321"
    },
    "status": "ACTIVED"
  },
  "message": "Successful",
  "neoResponseId": "8a724725-dc09-4ef2-8011-b4575ee5090a"
}
```

## Example cURL

```bash
curl -X PUT "https://{base_url_openapi}/v2/vc/virtual-cards/{virtualCardRequestId}/set-active" \
  -H "Authorization: Bearer <YOUR_TOKEN>" \
  -H "Content-Type: application/json" \
  -H "Accept-Language: en" \
  -d '{
    "cardUserPhoneZoneCode": "+84",
    "cardUserPhone": "987654321",
    "cardUserEmail": "john.doe@gmail.com"
  }'
```

## Notes

* All fields are optional, allowing partial updates of user information but phone and phoneZoneCode must go in pair
* Requires Bearer token in the Authorization header.
* The Accept-Language header can be used to specify the response language (Support: "vi", "en").
* The path parameter `{virtualCardRequestId}` should be replaced with the actual virtual card request ID.


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