/Twint Payment Integration — Kiosky

#restaurant#pos#integration-- 2024
Twint Payment Integration — Kiosky
Project Description
Integrated Twint payment gateway into the Kiosky self-ordering kiosk Flutter app for a Swiss market client. Covered full API authentication, QR code payment flow, transaction status polling, webhook handling, sandbox testing and production deployment. Twint is the dominant mobile payment method in Switzerland — integration required handling Swiss-specific payment regulations and UX flows on kiosk hardware.
Key Features
  • / Twint QR code payment flow on kiosk
  • / Transaction status polling & verification
  • / Swiss market payment compliance
Technologies Used
#Laravel#PHP#MySQL#Twint API#Flutter