yansongda/pay

Features

• Multi-Channel Payment Acceptance - Allows applications to accept payments through multiple third-party gateways like WeChat Pay, Alipay, and UnionPay via a unified integration.
• Payment Gateway Abstractions - A single interface to process transactions across various payment providers to simplify checkout logic.
• Payment Intent Generation - Initiates payment requests and generates the necessary secrets and identifiers for frontend components.
• Hosted Checkout Integration - Implements integration with payment providers to generate and redirect users to hosted payment pages.
• Payment Gateway Integrations - Provides connectivity and transaction processing through external payment service providers to verify payment success.
• Multi-Channel - A process to execute transactions across web, mobile, and QR channels to collect funds.
• Multi-Provider SDKs - Provides a unified SDK that aggregates multiple payment providers under a single interface for order and refund management.
• Payment Intent Voiding - Provides the capability to void pending payment requests to prevent them from being completed.
• Payment Integrations - Provides a plugin system for connecting third-party payment gateways not included in the core package.
• Tenant-Aware Merchant Isolation - Isolates merchant accounts and payment configurations within a single platform using a tenant-aware architecture.
• Payment Lifecycle Management - Coordinates the end-to-end sequence of order creation, status queries, fund capture, and refunds.
• Payment Captures - Processes the transition from initial payment authorization to the final capture of funds.
• Payment Data Initialization - Creates payment intents and gathers transaction data required for completion via server or frontend.
• Payment Request Execution - Executes payment requests by submitting order details to a provider for a direct transaction.
• Response Normalizers - A process that standardizes gateway output into consistent objects to simplify data handling across different service providers.
• Payment Callback Processing - Parses and validates incoming notification requests from payment gateways to trigger post-payment business logic.
• Payment Order Management - Manages the cancellation of existing transactions across various channels including cards, QR codes, and mini-programs.
• Order Cancellations - Provides the ability to cancel active payment requests to prevent further transaction attempts.
• Transaction Status Queries - A utility to retrieve the current state of a payment or refund to verify successful completion.
• Order Status Queries - Allows retrieving the current status and details of a payment order using a unique transaction identifier.
• Payment Artifact Verification - Verifies the success of a transaction by retrieving its current state from the payment gateway.
• Payment Transaction Callbacks - Processes asynchronous notifications from payment gateways to confirm transaction outcomes.
• Transaction Voiding - Provides the capability to close open orders or void pending transactions to prevent further processing.
• Gateway Completion Verifications - Fetches the current state of a payment request from the gateway to confirm successful completion.
• Payment Webhooks - Provides a tool for verifying digital signatures and authenticity of server notifications from payment providers.
• Fund Transfer Reversals - Reverses payment transactions by requesting the gateway to void the specific fund transfer.
• Payment Transaction Reversals - Reverses payment requests by passing order identifiers to the payment gateway to void the transfer.
• Payment Signature Verification - Validates cryptographic signatures from payment gateways to ensure the authenticity of incoming webhooks.
• API Abstraction Layers - Implements a middleware layer that normalizes diverse payment service protocols into a unified interface.
• Response Normalization Layers - Standardizes diverse third party API outputs into consistent objects to simplify cross-provider data handling.
• Fund Freezing Controls - Provides a capability to authorize the temporary freezing of funds for pre-authorization and manage their release.
• Inter-Account Fund Transfers - Performs single-payment transfers to accounts and provides status querying for transfer documents.
• Alipay Integrations - Provides backend integrations specifically for processing digital payments and transactions through the Alipay platform.
• QR Code Payment Triggers - Processes transactions, refunds, and status queries specifically for aggregated QR code gateways.
• Plugin Architectures - Implements an extensible framework and standardized class structures for integrating diverse payment gateway plugins.
• Multi-Merchant Payment Support - Supports processing transactions and managing configurations for multiple different merchant accounts in one application.
• WeChat Pay Integrations - Integrates the WeChat Pay API to process transactions between merchants and users.
• Custom Payment Extensions - Provides a mechanism to implement custom payment extension modules for tailored business logic behaviors.
• Recurring Payment Agreements - Handles the signing, modification, and cancellation of automatic debit agreements for recurring payments.
• Refund Processing Engines - A system to reverse payment transactions across web, app, and QR code channels using gateway parameters.
• Refund Request Senders - A process to reverse a completed payment by referencing a charge identifier to return funds.
• Scan-to-Pay Systems - Generates payment requests for scan-to-pay transactions by processing specific order details.
• Split Payment Processing - Executes the settlement of split payments and royalty sharing among multiple parties in a single transaction.
• Transaction Fund Distributions - Distributes transaction funds among multiple parties and processes sharing reversals.
• Payment Data Reconciliation Tools - Provides automated systems for matching payment records with bank statements and processor reports to ensure financial accuracy.
• Payment Credential Switching - Implements a utility to switch between different gateway credentials and settings for multiple business accounts.
• Payment Processings - Handles order creation and refund requests specifically for users within mini-program environments.
• Automated Certificate Management Systems - Implements a system for fetching and caching public certificates from remote servers to maintain secure communication.
• Webhook Signature Verifiers - Verifies the authenticity of incoming payment webhooks using cryptographic signatures and provider secret keys.
• Digital Signature Validations - A process to validate server-to-server messages and digital signatures to prevent request spoofing.
• User Identity Verification - Confirms user identities through certifications, liveness detection, and face verification.
• Credential Isolation Settings - Provides isolated credential and setting management for multiple business accounts within a single runtime instance.
• Payment Gateway Response Validations - A system to validate the authenticity of responses from payment servers using public keys to prevent fraud.
• Client Signature Generators - Creates signature data for the frontend to trigger payment processes without server-side requests.
• Payment Confirmations - A backend process to execute payment confirmation for bank cards and digital wallets.
• Webhook Origin Authentications - A process to validate the authenticity of incoming server messages to ensure callbacks originate from the gateway.
• UnionPay Integrations - Connects to the UnionPay gateway to enable financial transactions for cardholders.
• Plugin-Based Extensibility - Utilizes an architectural pattern that allows adding new payment providers via custom plugin implementations.
• Session Generators - Generates hosted payment pages to collect customer details and complete transactions.

Star history