upi_pro_sdk 0.1.3

A production-grade Flutter SDK for UPI (Unified Payments Interface) integration. Supports UPI intent, deep linking, payment status polling, VPA validation, and multi-app UPI launchers - all in one package.

Changelog

All notable changes to this project will be documented in this file.

This project adheres to Semantic Versioning and Keep a Changelog conventions.

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0.1.0 - 2025-04-28

Added

• Initial public release 🎉
• UpiProClient — main entry point for all UPI operations
• initiatePayment() — UPI intent-based payment flow
• showAppChooser() — bottom sheet multi-app UPI launcher
• validateVpa() — Virtual Payment Address validation
• pollPaymentStatus() — configurable polling with retry logic
• getInstalledUpiApps() — detect all installed UPI apps on device
• UpiPaymentRequest model with full UPI deep link parameter support
• UpiPaymentResponse model with typed status enum
• UpiException with error codes for structured error handling
• VpaValidationResult model
• Android <queries> manifest support for UPI intent resolution
• iOS LSApplicationQueriesSchemes support
• Full unit test suite with MockUpiProClient
• MIT License

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[Unreleased]

Planned

• Collect flow / payment request links
• QR Code generation for static & dynamic UPI QR
• Subscription / recurring payment support
• Webhook signature verification utility