Square recently released an improved, redesigned card reader. Current Square users will need to request a new one.

Learn how to use Square to accept credit card payments in person or online. Step-by-step guide for setup, hardware, invoices and more.

Square is a leading payment platform for businesses. Follow our guide to set up your account, accept payments, and manage transactions easily.

Square is a huge deal for small businesses, as the popular credit card reader makes it easy and inexpensive to accept credit card payments. Now, Square is extending that functionality to Chromebooks.

Square's device is a small card reader plugs into the headphone jack on your iOS (or Android) device. The app is free. The reader is free.

Nearly 2,000 Portland-area businesses are already using the Square device, which debuted here in 2010. That compares with . In addition to food carts, those businesses include hairstylists ...

Square has always made hardware, but its new Android-based tablet shows it’s serious about controlling the payments experience.