Square
Integrated hardware, software, and payment processing to help you run and grow your business.
Gross Payment Volume
$54.5 billion
Active Sellers
Millions
Processing Fee
From 2.6% + 10¢
About Square
Square is a cohesive commerce ecosystem that helps businesses accept payments, manage inventory, and run their operations. It offers a range of hardware, including its iconic card readers and sophisticated registers, that work seamlessly with its software. Beyond in-person sales, Square supports online stores, invoicing, and virtual terminals. For developers, Square provides a powerful set of APIs and SDKs to integrate payments and other business logic into their own applications, enabling custom solutions for online, in-person, and mobile transactions.
Payment Solutions
In-Person Payments
Accept credit cards, contactless payments, and chip cards with Square's hardware (Readers, Terminal, Register).
Online Payments
Process payments through websites, apps, and online checkout links using the Square Payments API and SDKs.
Invoicing
Send custom digital invoices and estimates, and allow customers to pay online.
Card On File
Securely store customer payment information for recurring billing and faster checkouts.
Business & Commerce Tools
Point Of Sale (Pos)
Comprehensive POS software for retail, restaurants, and appointments with inventory and staff management.
Square Online
Platform to build an e-commerce website for online sales, pickup, and delivery.
Customer Management
Build a customer directory, view sales history, and manage marketing campaigns.
Capital & Banking
Offers business loans (Square Capital) and business banking services (Square Banking).
Developer Platform
Payments Api
Integrate online and in-person payment processing into custom applications.
Terminal Api
Connect your custom POS application to Square's hardware for in-person payments.
Sandbox Environment
A complete testing environment to build and test integrations without moving real money.
Webhooks
Receive real-time notifications for events like payments, refunds, and disputes.