In-app purchase integration

One-Step Payment (OSP)

The best and simplest option for developers that want to quickly support payments on their apps and have not integrated Google Play billing SDK. For more details on how to integrate this billing method, click here.

Minimum Requirements

  • Minimum gradle plugin version is 3.0.1.
  • Minimum build tools version is 26.0.1.
  • The Android minimum API Level to use SDK is 16 (Android 4.1).