### Core Features
- ✅ **Google Pay API v2 Integration** - Latest API with enhanced security
- ✅ **Multi-Gateway Support** - Stripe, Authorize.net, Braintree
- ✅ **Secure Tokenization** - PCI DSS compliant payment processing
- ✅ **Test/Production Modes** - Easy switching between environments
- ✅ **Order Management** - Complete payment tracking and transaction history
- ✅ **Webhook Support** - Async payment status updates
- ✅ **Bootstrap 5 UI** - Modern, responsive admin interface
- ✅ **Multi-Currency** - Supports all OpenCart currencies

### Admin Features
- Tabbed settings interface (General, Merchant, Gateway, Google Pay, Order Status, Advanced)
- Real-time payment status tracking
- Transaction history with detailed logs
- Order info integration
- Debug logging mode
- Geo zone restrictions
- Minimum order total settings

### Customer Features
- One-click payment with Google Pay
- Saved card selection from Google Account
- Mobile-friendly payment button
- Real-time payment validation
- Automatic order confirmation
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#### Stripe
- Stripe Account
- API Key (Publishable and Secret)
- Webhook endpoint (optional, for async updates)

#### Authorize.net
- Authorize.net Account
- API Login ID
- Transaction Key
- Silent Post URL (for webhooks)

#### Braintree
- Braintree Account
- Merchant ID
- Public Key
- Private Key

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Support and installation is free at dyisolco@gmail.com