PurchaseCanCancel

Whether the purchase can be cancelled (DELETE /api/v3/purchases/{purchase_id})

purchase_idintegerrequired

Id of the purchase (GET /api/v3/purchases/{purchase_id})

can_cancelbooleanrequired

Whether the purchase can be cancelled: only before its activation, and if its additional purchases can be cancelled too

PurchaseCanCancel

{
  "purchase_id": 0,
  "can_cancel": true
}