The API will allow brick-and-mortar merchants to process payments through Square and use some piece of the company's hardware without having to sign up for Square's Register point-of-sale software.

Square is today launching a new set of APIs under the “Build with Square” banner that will allow sellers to use Square payment services and hardware (including Apple Pay), while maintaining a ...

Mobile payments platform Square has introduced APIs to extend its reach into ecommerce, putting it into contest with the likes of Braintree and Stripe. SME mobile payments platform Square has ...

Watch out Braintree, Stripe and other online checkout systems, Square is going after you. The company launched new APIs today for offline and online stores. But the bigger news is that e-commerce ...

Square is rolling out a new API for online ordering that it says will make it easier for developers to build digital in-app payment services. For merchants using one of Square's point of sale products ...

Point-of-sale provider Square on Thursday rolled out Order API, which allows merchants to manage order fulfillment within the Square system. The feature is available in the United States, Canada, ...