Square, the company that makes the ubiquitous point-of-sale pucks used in stores and restaurants is doubling down on mobile payments—and making a play for retail titans too.

By using tools like Payable Forms, PayQ, and trusted payment providers such as Stripe, PayPal, or Square, you can create a streamlined payment process that benefits both you and your users.

Block Inc. is launching a feature to allow businesses that use the company’s Square point-of-sale terminals to accept payment ...