Keyring is a customer rewards program platform. It helps businesses develop convenient loyalty programs for customer engagement. Keyring is a mobile app for mobile device users to stash all of their reward program apps in one place. It also allows these users to receive coupons and register for new rewards programs. For businesses, Keyring offers development and deployment features to manage and improve their rewards programs. The Keyring API exposes their business platform and allows developers to manage their apps through it.