Read this document about how to view your current payment types and add Apple ID payment methods on an Apple mobile device, a Mac, or a PC --> Add a payment method to your Apple Account - Apple Support
If an item appears in red then it is no longer working and you either need to replace it or get it working again. Apple may require the presence of a valid payment method such as a card, even if an app is free. You won't be charged but the card has to be there and in working order.
Do you have account balance? Read this article about how to check your Apple ID balance.--> Check your Apple Account balance - Apple Support
- If you think that your Apple ID balance is incorrect, sign out of the App Store or iTunes Store, then sign back in and check the balance again. If you still think that the balance is incorrect, check your purchase history to see if a subscription renewed or you bought an item that used the funds. Read this support article for directions about how to see your purchase history in the App Store or iTunes Store [mobile device, computer, or web] --> View your purchase history for the App Store and other Apple media services - Apple Support
If you still have problems:
Click here --> Choose your country or region - Official Apple Support Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.
or:
Contact Apple for support and service --> "See a list of Apple phone numbers around the world."
Click here --> Contact Apple for support and service - Apple Support
If this is regarding a UPI transfer, this post UPI payment is successful but funds not a… - Apple Community has an image where it says: "Payments may take up to 3 working days to be reflected in your account".
