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.

If you know the company Square, it's probably because you've paid in a store using a Square “stand,” a dock that supports a tablet, or you've swiped your card through Square Reader, a ...