Generation and verification of card numbers using Luhn's algorithm.

PHP SDK for Apple Wallet and Google Pay Membership / Loyalty / Access Cards, Coupons, Flights & Event-Tickets.

B24io.Loyalty application PHP-SDK

Magento 2 module allows to use ERC20 tokens as discount

Magento 2 NFT Loyalty Extension. It allows to use NFT token as 'Discount Card' for implementing NFT Loyalty Programs.

PHP Quickstart to create, distribute, analyse and manage your Digital Coupons / Membership / Boarding Passes / Event Ticketsfor Apple Wallet and Google Pay

PHP SDK for MAXMA API

Pegke Loyalty Merchant API

REST API for loyalty project

A Symfony loyalty management system - by Hugues Delalande and Cecile Boucajay

This is the official Piggy PHP SDK for connecting your piggy account to an application of your choice.

PHP bindings for the Intercom API