---
page_source: https://juspay.io/in/docs/ec-headless/cordova/payloads/cards-integration-workflow
page_title: Cards Integration Workflow
---


# Cards Integration Architecture



![Image](https://dth95m2xtyv8v.cloudfront.net/tesseract/assets/ec-headless/Card%20Transaction%20-%20Flow%20Diagram%20(1).jpg)



Juspay provides a sample code for implementation of Luhn Algorithm:  [https://github.com/juspay/card-validator](https://github.com/juspay/card-validator)

More about Luhn Algorithm : [https://en.wikipedia.org/wiki/Luhn_algorithm](https://en.wikipedia.org/wiki/Luhn_algorithm)