Google Play Android Developer API . purchases

cancel(packageName, subscriptionId, token)

Cancels a user's subscription purchase. The subscription remains valid until its expiration time.

Args:
  packageName: string, The package name of the application for which this subscription was purchased (for example, 'com.some.thing'). (required)
  subscriptionId: string, The purchased subscription ID (for example, 'monthly001'). (required)
  token: string, The token provided to the user's device when the subscription was purchased. (required)

get(packageName, subscriptionId, token)

Checks whether a user's subscription purchase is valid and returns its expiry time.

Args:
  packageName: string, The package name of the application for which this subscription was purchased (for example, 'com.some.thing'). (required)
  subscriptionId: string, The purchased subscription ID (for example, 'monthly001'). (required)
  token: string, The token provided to the user's device when the subscription was purchased. (required)

Returns:
  An object of the form:

    { # A Purchase resource indicates the status of a user's subscription purchase.
    "initiationTimestampMsec": "A String", # Time at which the subscription was granted, in milliseconds since Epoch.
    "kind": "androidpublisher#subscriptionPurchase", # This kind represents a subscriptionPurchase object in the androidpublisher service.
    "autoRenewing": True or False, # Whether the subscription will automatically be renewed when it reaches its current expiry time.
    "validUntilTimestampMsec": "A String", # Time at which the subscription will expire, in milliseconds since Epoch.
  }