Welcome to the Catappult developer hub. You'll find comprehensive guides and documentation to help you start working with Catappult as quickly as possible, as well as support if you get stuck. Let's jump right in!
This guide assumes that you have already Google Play billing integrated in your app. It will help you migrating from the Google Play to Catappult Billing service. Catappult billing service is implemented in a Wallet called "AppCoins Wallet". AppCoins wallet is widely available in different app stores. AppCoins Wallet exposes an Android Service which your app should bind with. Once bound to AppCoinsWallet service, your app can start communicating over IPC using an AIDL interface.