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Choose the right integration method for your use case. Pay-Connect offers two distinct approaches to meet different technical requirements and deployment scenarios.

API Integration

Best for backend-driven systems and advanced POS platforms requiring full control over payment workflows.

App2App Integration

Direct device-to-device communication for lightweight Android POS applications with no backend dependency.

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API Integration

API Integration is designed for backend-driven systems and advanced POS platforms that require full control over payment workflows.
  • Centralized terminal management – Manage multiple terminals from a single backend
  • Full transaction lifecycle control – Complete control over all payment operations
  • Configuration and metadata support – Customize terminal settings and add transaction metadata
  • Asynchronous updates via webhooks – Real-time notifications for transaction events
Best for: Enterprise systems, multi-location businesses, and applications requiring comprehensive payment management.

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App2App Integration

App2App Integration enables direct communication between applications running on the same device or network.
  • Lightweight integration – Minimal setup and configuration required
  • No backend dependency – Fully operates on the device without server infrastructure
  • Ideal for Android POS applications – Native Android-to-Android communication
  • Core payment operations – Focused on essential transaction functions
Best for: Small businesses, mobile POS solutions, and applications with simple payment needs.

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Feature comparison

Compare the capabilities of each integration method to determine which best fits your requirements: