In-App Purchase Integration Guide

This guide provides instructions on how to integrate in-app purchase functionality into your application using the Google Play Billing API and the inapppy Python library.

Prerequisites

Before integrating in-app purchases into your application, ensure you have the following:

• A Google Play Developer account.
• A published application on the Google Play Store.
• A service account key file (.json) with appropriate permissions for accessing the Google Play Developer API.

Installation

To use the inapppy library for in-app purchases, you can install it via pip:

pip install inapppy

Configuration Google Play Developer Console: Navigate to the Google Play Developer Console and create a service account with appropriate permissions for managing in-app purchases. Download the service account key file (.json) and securely store it. Credentials Setup: Specify the path to your service account key file in the credentials_file_path variable within the script.

Usage Making a New Subscription Purchase To make a new subscription purchase:

Choose action 1 from the prompt. Enter the package name and subscription ID when prompted. Input the developer payload. Follow the on-screen instructions. Verifying a Subscription Purchase To verify a subscription purchase:

Choose action 2 from the prompt. Enter the package name, subscription ID, and purchase token when prompted. Input the developer payload. Follow the on-screen instructions. Canceling a Subscription Purchase To cancel a subscription purchase:

Choose action 3 from the prompt. Enter the package name, subscription ID, and purchase token when prompted. Follow the on-screen instructions.