Google Play Developer API . orders

refund(packageName, orderId, revoke=None)

Refund a user's subscription or in-app purchase order.

Args:
  packageName: string, The package name of the application for which this subscription or in-app item was purchased (for example, 'com.some.thing'). (required)
  orderId: string, The order ID provided to the user when the subscription or in-app order was purchased. (required)
  revoke: boolean, Whether to revoke the purchased item. If set to true, access to the subscription or in-app item will be terminated immediately. If the item is a recurring subscription, all future payments will also be terminated. Consumed in-app items need to be handled by developer's app. (optional)