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Alipay via Adyen

Alipay is a leading Chinese digital payment platform that enables secure and convenient online payments. Through Adyen's integration, you can accept Alipay payments from customers worldwide.

Setup​

Please follow the common Adyen instructions to get set up with Adyen. Next, make sure to enable Alipay as a payment method on your configured account.

Integration​

API Request​

curl --request POST \
  --url https://api.efundpay.com/v4/transactions \
  --header 'Authorization: Bearer <token>' \
  --header 'x-merchant-account-id: <x-merchant-account-id>' \
  --header 'Content-Type: application/json' \
  --data '{
    "amount": 10000,
    "currency": "CNY",
    "payment_method": {
      "method": "adyen",
      "payment_method_data": {
        "type": "alipay",
        "returnUrl": "https://yourdomain.com/return"
      }
    },
    "external_identifier": "order-12345"
  }'

Payment Flow​

  1. Initialize Payment - Create payment request with EFundPay
  2. Redirect to Alipay - Customer is redirected to Alipay payment page
  3. Payment Processing - Customer completes payment on Alipay
  4. Return to Merchant - Customer returns to your site
  5. Webhook Notification - Receive payment status via webhook

Configuration​

Required Parameters​

  • amount - Payment amount in smallest currency unit (fen for CNY)
  • currency - Currency code (CNY for Chinese Yuan)
  • payment_method_data.type - Set to "alipay"
  • returnUrl - URL to redirect customer after payment

Optional Parameters​

  • billing_address - Customer billing address
  • shipping_address - Customer shipping address
  • merchant_order_id - Your internal order reference

Response Handling​

Success Response​

{
  "type": "transaction",
  "id": "txn_123456789",
  "status": "processing",
  "payment_url": "https://checkoutshopper-test.adyen.com/checkoutshopper/...",
  "external_identifier": "order-12345"
}

Webhook Notification​

{
  "ll_transaction_id": "2022012601122644",
  "merchant_transaction_id": "order-12345",
  "payment_data": {
    "payment_status": "PS",
    "payment_amount": "100.00",
    "payment_currency_code": "CNY",
    "payment_time": "20220126141430",
    "adyen_psp_reference": "8535296650153317",
    "result_code": "Authorised"
  }
}

Client-Side Integration​

Redirect to Payment​

// Redirect customer to Alipay payment page
function redirectToAlipay(paymentUrl) {
  window.location.href = paymentUrl;
}

// Handle payment return
function handlePaymentReturn() {
  const urlParams = new URLSearchParams(window.location.search);
  const resultCode = urlParams.get('resultCode');
  
  if (resultCode === 'Authorised') {
    showSuccessMessage('支付成功！');
  } else {
    showErrorMessage('支付失败，请重试。');
  }
}

Testing​

Adyen has instructions on how to test Alipay. You can use the following test scenarios:

  • Successful Payment - Complete payment flow successfully
  • Payment Cancelled - Customer cancels the payment
  • Payment Failed - Payment fails due to insufficient funds or other reasons

Test Environment​

  • Use Adyen's sandbox environment for testing
  • Test with various amounts and currencies
  • Verify webhook notifications
  • Test return URL handling

Security Considerations​

  • Always use HTTPS for all communications
  • Validate webhook signatures
  • Implement proper session management
  • Follow Alipay's security guidelines

Best Practices​

User Experience​

  • Provide clear payment instructions in Chinese
  • Show payment progress indicators
  • Handle errors gracefully
  • Optimize for mobile devices

Technical Implementation​

  • Implement proper error handling
  • Use webhooks for real-time updates
  • Store transaction references
  • Handle network failures gracefully

Common Issues​

Payment Failures​

  • Invalid Amount - Ensure amount is in correct format
  • Currency Issues - Check currency settings
  • Return URL Issues - Verify return URL configuration

Integration Issues​

  • Webhook Not Received - Check webhook endpoint and signature
  • Payment Page Error - Verify payment URL generation
  • Authentication Issues - Check API credentials

Support​

For technical support with Alipay via Adyen integration:

  • EFundPay Support - Contact our technical team
  • Adyen Support - Use Adyen's support resources
  • Alipay Documentation - Comprehensive integration guide
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