After any IOS/Android purchase, you will receive the receipt via email attached to your purchase account. Every receipt contains all the information related to this purchase, including the order number, the value, the date, etc.

1- To find the payment receipt for Android users:
- Log in to pay.google.com
- Login to your Google account, which you used to purchase through the game.
- Choose Activity
- You will find all the payment receipts made through the game.

2- To find the payment receipt for Apple users:
- Go to Settings > [your name] > iTunes & App Store.
- Tap your Apple ID, then tap View Apple ID.
- You might be asked to sign in with your Apple ID...
- Swipe up to Purchase History and tap it.