Payment Integration
Payment integration for retail and commercial terminals.
This page defines payment terminal, gateway, callback, and reconciliation considerations.
Payment Flow
- User selects SKU, ticket, order, or service.
- Terminal requests a payment session.
- Gateway returns payment result.
- Device releases product, confirms order, or unlocks the service.
- System records transaction, membership, and inventory changes.
Discuss your project with Cairan Technology
Share your business scenario, existing system, target hardware, and delivery timeline.