V1

{
  "body": {
    "operation": "string (CONFIRM_PAYMENT_METHOD)",
    "paymentMethodRequest": {
      "card": {
          "cardBrand": "string",
          "cardCategories": [

          ],
          "cardChannel": "string",
          "expiryMonth": "integer",
          "expiryYear": "integer",
          "last4": "string",
          "manufacturerCard": "boolean",
          "nameOnCard": "string",
          "status": "string",
          "type": "string (CARD)",
          "zipCode": "string"
        } <REMOVED>,
      "default": "boolean",
      "error": "null",
      "id": "string (uuid)",
      "nickname": "string",
      "paymentMethodDetails": "null",
      "paymentMethodType": "string (CARD)",
      "status": "string (ACTIVE)",
      "zipCode": "string"
    },
    "sessionContext": {
      "pci": {
        "active": "boolean"
      }
    }
  },
  "headers": {
    "Accept": "application/json",
    "Authorization": "string (Bearer token, optional)",
    "Content-Type": "application/json",
    "X-Correlation-Id": "string (optional)",
    "X-Merchant-Id": "string (uuid)",
    "X-Request-Id": "string (optional)"
  },
  "method": "PATCH",
  "path": "/checkout-sessions/{checkout-session-id}/update" <MODIFIED>
}

V2

{
  "body": {
    "operation": "string (CONFIRM_PAYMENT_METHOD)",
    "paymentMethodRequest": {
      "default": "boolean",
      "error": "null",
      "id": "string (uuid)",
      "nickname": "string",
      "paymentMethodDetails": "null",
      "paymentMethodType": "string (CARD)",
      "status": "string (ACTIVE)",
      "zipCode": "string"
    },
    "sessionContext": {
      "pci": {
        "active": "boolean"
      }
    }
  },
  "headers": {
    "Accept": "application/json",
    "Authorization": "string (Bearer token, optional)",
    "Content-Type": "application/json",
    "X-Correlation-Id": "string (optional)",
    "X-Merchant-Id": "string (uuid)",
    "X-Request-Id": "string (optional)"
  },
  "method": "PATCH",
  "path": "/v2/checkout-sessions/{checkout-session-id}" <MODIFIED>
}