After, you either get the bill or the money is deducted from the account linked to your card. Enter the processor. These are the companies and platforms that make it all happen smoothly and securely.
By acquiring Discover, Capital One will own one of the biggest payment-processing networks in the country, competing against three larger networks: Visa, MasterCard, and American Express.
The IRS adds processing fees to credit card payments ... profit on your $1,000 tax payment — which is $1.80. That's not a big return, but it would be higher if you owe more.