Best App/Method for Paying Credit Card Bills

Credit Card
1

Hi All,
Can anyone suggest the best app or method for paying credit card bills that offers rewards or benefits?

2

If you are holding a Millennia or Platinum debit card from HDFC Bank, you can use HDFC Bill Pay to pay your Non-HDFC Bank credit card bills. This will give you 1% cashback points, capped at 400 per month for Millennia and 750 per month for Platinum.