Google Pay™ Web SDK dokumentasiyası

// The MSolution SDK builds this Google Pay request structure internally.
const baseRequest = { apiVersion: 2, apiVersionMinor: 0 };
const googleEnvironment = "TEST";     // Google Pay UI (TEST | PRODUCTION)
const processEnvironment = "TEST";    // MSolution gateway (TEST | PRODUCTION)

const tokenizationSpecification = {
  type: "PAYMENT_GATEWAY",
  parameters: {
    gateway: "msolution",
    gatewayMerchantId: "MSOL_12345"
  }
};

const allowedCardNetworks = ["MASTERCARD", "VISA"];
const allowedAuthMethods = ["PAN_ONLY", "CRYPTOGRAM_3DS"];
const billingAddressParameters = {
  format: "FULL",
  phoneNumberRequired: false
};

const cardPaymentMethod = {
  type: "CARD",
  parameters: {
    allowedAuthMethods,
    allowedCardNetworks,
    billingAddressRequired: false,
    // If your checkout requires a billing address, use:
    // billingAddressRequired: true,
    // billingAddressParameters
  },
  tokenizationSpecification
};

// Merchants do not pass baseRequest or cardPaymentMethod directly
// into btn.setConfig(). The SDK builds them internally.

const sessionPayload = {
  redirectUrl: "https://your-domain.com/callback",
  callBackUrl: "https://your-domain.com/webhooks/google-pay",
  terminalId: "50100105",
  paymentType: "DEBIT",
  email: "customer@example.com",
  currency: "944",
  desc: "Google Pay payment",
  orderId: generateOrderId(),
  amount: Number(amount)
};

{
  "sessionId": "string",
  "signature": "string",
  "publicKey": "string",
  "amount": "12.50",
  "transactionId": "optional",
  "redirectLink": "optional",
  "receiptUrl": "optional"
}

POST https://pay.msolution.az/eComIntegration/api/v1/google-pay/process-wallet-payment
Content-Type: application/json

{
  "sessionId": "<sessionId returned by createSession>",
  "signature": "<signature returned by createSession>",
  "data": { /* Google Pay token object (ECv2) */ }
}

document.addEventListener("payment-success", (e) => {
  const { redirectLink, receiptUrl } = e.detail || {};
  if (redirectLink) window.location = redirectLink;
  if (receiptUrl) window.open(receiptUrl, "_blank");
});

document.addEventListener("payment-error", (e) => {
  const { error, isUserAction } = e.detail || {};
  if (isUserAction) return;
  alert(error || "Payment error");
});

{
  "success": false,
  "code": "TOKEN_MERCHANT_MISMATCH",
  "message": "gatewayMerchantId does not match token merchant",
  "retryable": false
}