Standalone
Integration Architecture
The Standalone terminal operates autonomously with automatic synchronization with the PayPay backoffice. Optionally, it can integrate with external systems via webhooks.
┌─────────────────────────────────────────────────────────┐
│                   STANDALONE TERMINAL                   │
│                                                         │
│  ┌──────────────┐                                       │
│  │   Operator   │ ──→ Enter value manually              │
│  └──────────────┘                                       │
│         │                                               │
│         ↓                                               │
│  ┌──────────────┐                                       │
│  │   Terminal   │ ──→ Processes payment locally         │
│  │   (Local)    │                                       │
│  └──────────────┘                                       │
│         │                                               │
│         ↓                                               │
│  ┌──────────────┐                                       │
│  │  Network     │ ──→ Bank Authorization                │
│  │  Payments    │                                       │
│  └──────────────┘                                       │
└─────────────────────────────────────────────────────────┘
       │
       │ (Automatic Synchronisation)
       ↓
┌─────────────────┐
│   Backoffice    │ ──→ Viewing and Management
│    PayPay       │     of Transactions
└─────────────────┘
       │
       │ (Webhook - Optional)
       ↓
┌─────────────────┐
│  Your System    │ ──→ Receive Notifications
│   (Optional)    │     of Transactions
└─────────────────┘
Payment Flow
See the payment flow.
Common Troubleshooting
| Problem | Solution | 
|---|---|
| Transaction Declined | Check funds, card validity, or contact the issuing bank | 
| Terminal Not Responding | Check Internet connection and restart the terminal | 
| Printing Error | Check paper and printer settings | 
| Incorrect PIN | Customer can try again (maximum 3 attempts) | 
Next Steps
Now that you know the payment flow, explore:
- Webhook Configuration - Receive automatic transaction notifications.
 - FAQ - Answers to the most frequently asked questions.