• PAY.POS version 1.1.18 or higher
• Android terminals only (Android softpos, Sunmi hardpos, and PAX hardpos)
• Your network needs to be able to send UDP (port 8889) & TCP (port 8888) messages

• Discovery protocol
• Message protocol

This repo also includes example application to show you how to integrate with the LocalECR:

• Desktop (NodeJS HTTP)
• Mobile (React Native - Native TCP/UDP integration)

Instead of using TRANSACTION_START, use ORDER_CREATE and ORDER_UPDATE to get the following screen: