The Voucherify Redeem Voucher Client API provides a way to track a custom event, when you create an event object. This method is accessible through public keys which you can use in client-side apps, mobile and web browser apps. Voucherify allows you to manage coupon campaigns with a voucher infrastructure that enables developers with the ability to integrate digital promotions across marketing channels. This platform can be used for referral programs, promo codes, loyalty coupons, vouchers and more. Voucherify.io is a voucher infrastructure platform that is accessed through an API.