WPKJ Payment Gateway for FluentCart with Alipay is a feature-rich, enterprise-grade payment gateway that seamlessly integrates Alipay with FluentCart. It intelligently detects user environments and automatically selects the optimal payment interface.

Key Features

Multi-Platform Payment Support
- PC Web Payment for desktop browsers
- Mobile WAP Payment for mobile browsers
- Face-to-Face Payment with QR codes
- Alipay App Payment for native experience [Not yet completed]
Advanced Subscription Management
- Automatic Renewal via Alipay Recurring Agreement
- Manual Renewal fallback mode
- Trial period support (0-365 days)
- Flexible billing intervals (daily, weekly, monthly, yearly)
- Limited and unlimited billing cycles
- Subscription cancellation sync with orders
Comprehensive Refund System
- Automatic refunds when orders are cancelled
- Manual refund processing from admin
- Full and partial refund support
- Detailed activity logging
Enterprise Security
- RSA2 2048-bit encryption
- Signature verification for all requests
- HTTPS/SSL required for production
- Webhook validation
- Amount verification
International & Multi-Currency
- 14+ currencies supported
- Full internationalization (i18n) ready
- Translation template (POT) included
- Built-in Chinese & English translations

Supported Currencies

CNY (Chinese Yuan), USD, EUR, GBP, HKD, JPY, KRW, SGD, AUD, CAD, CHF, NZD, THB, MYR

Requirements

FluentCart 1.2.0 or higher
WordPress 6.5 or higher
PHP 8.2 or higher
SSL Certificate (HTTPS) for production
Alipay merchant account

Developer Friendly

Clean PSR-4 autoloading architecture
Comprehensive hooks and filters
Debug logging support
Sandbox/Test mode
Extensive documentation

Support and Documentation

For comprehensive documentation, tutorials, and support:

Official Website: https://www.wpdaxue.com
Documentation: https://www.wpdaxue.com/wpkj-alipay-gateway-for-fluentcart.html
Support Email: [email protected]
GitHub: Report issues and contribute

Privacy and Data

This plugin does NOT:
– Collect any user data
– Send data to third parties (except Alipay for payment processing)
– Track users
– Store sensitive payment information

Payment data is transmitted securely via HTTPS directly to Alipay’s servers. The plugin only stores transaction IDs and order metadata necessary for order fulfillment.

External Services

This plugin relies on external services for payment processing. Below is documentation for each external service:

Alipay Payment Gateway (Production)

Service: Alipay Payment Gateway API
What it is: Official payment processing service operated by Alipay, a leading Chinese payment platform
What it’s used for: Process online payments from customers using Alipay accounts
Data sent: Order ID, order amount, customer email, payment description/subject, currency, and timeout configuration
When it’s sent: When a customer initiates a payment and selects Alipay as the payment method
Data sent to: Alipay servers (https://openapi.alipay.com/gateway.do for production)
Terms of Service: https://render.alipay.com/p/yuyan/180020010001196791/preview.html?agreementId=AG00000006
Privacy Policy: https://render.alipay.com/p/yuyan/180020010001196791/preview.html?agreementId=AG00000132
Additional Info: Communication is RSA2 2048-bit encrypted. Alipay returns trade status, transaction ID, and buyer information

Alipay Sandbox API (Testing)

Service: Alipay Sandbox API
What it is: Test environment provided by Alipay for merchants to test payment integration before going live
What it’s used for: Process test/sandbox payments when the plugin is in test mode
Data sent: Same as production (Order ID, amount, email, subject, currency, timeout)
When it’s sent: When plugin is configured in test mode and customer initiates a test payment
Data sent to: Alipay sandbox servers (https://openapi-sandbox.dl.alipaydev.com/gateway.do)
Terms of Service: https://render.alipay.com/p/yuyan/180020010001196791/preview.html?agreementId=AG00000006
Privacy Policy: https://render.alipay.com/p/yuyan/180020010001196791/preview.html?agreementId=AG00000132
Additional Info: Uses separate test credentials from production

User Consent

Users are informed about Alipay payment processing when they select Alipay as their payment method. They accept data transmission to Alipay’s services as part of the payment process. The Alipay terms and privacy policy are accessible via links above.

Credits

Developed by: WPDAXUE.COM
Contributors: WordPress community
Framework: FluentCart Payment Gateway API
Special Thanks: FluentCart team for excellent payment framework, and Alipay for their robust payment solution