Square Inc, the company led by Twitter Inc Chief Executive Jack Dorsey, on Thursday launched a payment terminal for small business clients, expanding its suite of hardware products. Square's new ...

Today, at Square’s fourth annual partner and developer conference, Square Unboxed, the company announced the general availability of its newest develo ...

Square on Thursday announced the general availability of its Terminal API, which allows developers to build links between the Terminal card reader and custom-built point-of-sale systems.

With a few taps on the color touchscreen of Square’s new mobile payment terminal, the bike salesperson selects a BMX helmet and chain. Then he hands the terminal over to his bearded customer ...

Square is making it even easier to pay at small businesses with a new piece of hardware called Terminal. We talk to CEO Jack Dorsey about the new system.