Create customer

curl --request POST \
  --url https://integrations.clopos.com/open-api/v2/customers \
  --header 'Content-Type: application/json' \
  --header 'x-token: <api-key>' \
  --data '
{
  "name": "John Doe"
}
'

{
  "success": true,
  "data": {
    "id": "<string>",
    "name": "<string>",
    "email": "[email protected]",
    "phone": "<string>",
    "group_id": 123,
    "balance": {
      "id": 123,
      "amount": 123,
      "type": "<string>"
    },
    "cashback_balance": {
      "id": 123,
      "amount": 123,
      "type": "<string>"
    },
    "group": {
      "id": 123,
      "name": "<string>",
      "discount_type": "<string>",
      "discount_value": 123,
      "system_type": "<string>",
      "total_amount": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "deleted_at": "2023-11-07T05:31:56Z"
    },
    "created_at": "2023-11-07T05:31:56Z"
  },
  "message": "<string>",
  "time": 123,
  "timestamp": "2023-11-07T05:31:56Z",
  "unix": 123
}