Respected Sir/ Madam,
This is to inform you that this email is in reference to the credit card that is being used by ___________________ (name of the credit card owner) bearing credit card number ____-____-____-____ (mention credit card).
It is to bring to your concern that the payment of __________ (mention amount) has been received anyhow it did not reflect in the credit card’s statement because of a payment processing delay. We confirm the payment received on __/__/_____ (date).
We apologize for the inconvenience caused and appreciate your timely payment.
[Digital Signature – if applicable]
____________ (Contact details)