curl --request POST \
  --url https://vpos.payven.com.tr/api/v1/checkout/sessions/{sessionId}/pay \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json; ver=1.0' \
  --data '
{
  "externalId": "<string>",
  "basketId": "<string>",
  "amount": {
    "amount": 123,
    "currency": "<string>"
  },
  "installment": 123,
  "card": {
    "holderName": "<string>",
    "number": "<string>",
    "expireMonth": "<string>",
    "expireYear": "<string>",
    "cvv": "<string>"
  },
  "description": "<string>",
  "buyer": {
    "id": "<string>",
    "name": "<string>",
    "surname": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "ipAddress": "<string>",
    "identityNumber": "<string>"
  },
  "billingAddress": {
    "contactName": "<string>",
    "city": "<string>",
    "country": "<string>",
    "address": "<string>",
    "postalCode": "<string>"
  },
  "shippingAddress": {
    "contactName": "<string>",
    "city": "<string>",
    "country": "<string>",
    "address": "<string>",
    "postalCode": "<string>"
  },
  "basketItems": [
    {
      "id": "<string>",
      "name": "<string>",
      "price": 123,
      "quantity": 123
    }
  ],
  "callbackUrl": "<string>",
  "cancelUrl": "<string>",
  "returnUrl": "<string>",
  "operationType": "Sale",
  "extraProperties": {}
}
'

{
  "message": "<string>",
  "isSuccess": true,
  "code": "<string>",
  "data": {
    "transactionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "status": "<string>",
    "isSuccess": true,
    "message": "<string>",
    "errorCode": "<string>",
    "providerErrorCode": "<string>",
    "extraProperties": {}
  }
}