POS application integrates with CodePay Register

CodePay Register is a standard android payment application developed by CodePay that runs on payment terminals and can accept various payment methods such as bank cards and mobile wallets.

CodePay Register provides merchants with general payment functions, including Sale, Authorization, Void, Refund, Cashback etc. Register application design follows PCI compliance requirements and has passed PCI EMV L3 certifications.

POS application developers can integrate with CodePay Register, making it simple, fast, secure, efficient, and cost-effective to obtain payment capabilities.

CodePay Register provides two types of integration solutions.

Same-terminal application integration solution	Cross-terminal application integration solution
The Merchant Point of Sale (POS) application runs on the same payment terminal and pulls CodePay Register to accept payment requests through intent calls.	An application on a merchant's POS or electronic cash register (ECR) that sends payment requests to the payment terminal for processing. There are two communication methods for cross terminal requests: 1. Local network: POS applications are connected to terminals through USB cables, wireless/wired local networks 2. Cloud network: POS application connects to cloud APIs and push requests to payment terminal through CodePay's IoT service
Transaction processing flow diagram	Transaction processing flow diagram
Advantages: Simple calls between Android applications, easy integration, fast response, independent of the stability of the transmission link connection	Advantages: POS applications can run on third-party devices with no restrictions on the size or performance of the terminal
Disadvantage: POS applications must run on the terminal, which may involve software adaptation and modification work	Disadvantage: Higher requirements for network connection stability between POS devices and payment terminals