flutter_inapp_purchase

A comprehensive Flutter plugin for implementing in-app purchases that conforms to the Open IAP specification

📚 Documentation

📖 Visit our comprehensive documentation site →

📦 Installation

dependencies:
  flutter_inapp_purchase: ^8.0.0

🔧 Quick Start

Basic Usage

import 'package:flutter_inapp_purchase/flutter_inapp_purchase.dart';

// Create instance
final iap = FlutterInappPurchase();

// Initialize connection
await iap.initConnection();

// Fetch products with explicit type
final products = await iap.fetchProducts<Product>(
  skus: ['product_id'],
  type: ProductQueryType.InApp,
);

// Request purchase (builder DSL)
await iap.requestPurchaseWithBuilder(
  build: (builder) {
    builder
      ..type = ProductQueryType.InApp
      ..android.skus = ['product_id']
      ..ios.sku = 'product_id';
  },
);

Using with AI Assistants

flutter_inapp_purchase provides AI-friendly documentation for Cursor, GitHub Copilot, Claude, and ChatGPT.

AI Assistants Guide

Quick links:

• llms.txt - Quick reference
• llms-full.txt - Full API reference

Development

See CONTRIBUTING.md for development setup and guidelines.

Singleton Usage

For global state management or when you need a shared instance:

// Use singleton instance
final iap = FlutterInappPurchase.instance;
await iap.initConnection();

// The instance is shared across your app
final sameIap = FlutterInappPurchase.instance; // Same instance

Sponsors

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📄 License

MIT License - see LICENSE file for details.