MTA officials said in April that OMNY card vending machines would ... allowing riders to pay their way simply by putting a tap-enabled credit card, debit card or smart phone near a turnstile reader.

Marcus Gram funded his vending-machine business, Joyner Vending, with $10,000 in personal savings and spent $5,000 on his first two machines. Maya Ray used a credit card to fund her vending ...

He also bought a couple of credit card readers. "While credit card readers are optional, I’ve found that they can boost sales by up to 25%, since you aren’t only relying on customers to have ...

I decided on a machine with a card reader because I knew that many of my clients wouldn't be carrying cash. It's important to realize that there are different kinds of vending machines.