Market Overview

Introducing Square Reader SDK: Opening Up Square Hardware to Every Developer for the First Time


Today we're excited to announce Square (NYSE:SQ) Reader
, a complete toolkit that enables developers to reimagine the
checkout experience for sellers and buyers.

This press release features multimedia. View the full release here:

Shake Shack partnered with Fuzz to use the Square Reader SDK to power a self-service kiosk. (Photo:  ...

Shake Shack partnered with Fuzz to use the Square Reader SDK to power a self-service kiosk. (Photo: Business Wire)

While we've built some of the best
on the market, we know that many industries have niche needs and
businesses may need unique experiences that aren't served by our
existing products. That's why we're opening up our platform and
providing developers direct access to Square hardware for the very first

Square Reader SDK is a set of developer tools for building custom,
in-person checkout experiences. For the first time, iOS and Android
developers can build unique checkout or point-of-sale applications like
self-ordering kiosks, mobile points of sale, in-store line-busting apps,
and more on top of Square's hardware and payments ecosystem.

These customized solutions enable developers to work with existing
Square merchants in popular industries such as retail and restaurants as
well as new sellers in verticals not traditionally supported by Square,
like transportation and health care. Ultimately, developers will use
this SDK to help new types of businesses take payments with Square for
the first time, help grow sales for existing sellers, and build more
powerful and compelling experiences for both buyers and sellers.

The SDK provides secure payments through taps, dips, and swipes by
enabling developers to integrate their application with Square's elegant
and affordable hardware
. And it makes it easy for developers to
deploy their apps across thousands of devices while also integrating
them with critical business solutions like customer relationship
management (CRM) and enterprise resource planning (ERP) systems.

Reader SDK is designed to be so simple and intuitive that a developer
can integrate it, purchase a Square card reader online or at a store,
and take payments minutes later. Nearly a dozen sellers and developers
in a range of industries have already built and deployed applications
that are running the SDK at scale during our early access program:

  • Shake
    partnered with the design and development agency Fuzz
    to build a self-service kiosk at its "Shack of the Future" in New York
    City and at pop-up locations, where customers can order their food and
    pay with a card all on their own. The kiosk drives down wait times for
    customers and enables Shake Shack employees to focus on providing a
    world-class customer experience from the moment diners enter the

"Square offers us a way to think outside of the box in terms of
what's possible for transactions and experiences in-Shack. We're freed
from the restrictions put on us by legacy products, and the Square suite
of tools enables a variety of new opportunities," said Anoop
Pillarisetti, Digital Product & Strategy at Shake Shack.

Added Adam Mack, Lead System Architect at Fuzz, the company
that built Shake Shack's self-service kiosk, "The Square Reader SDK is
one of the few products where an engineer who knows iOS but has zero
domain knowledge in payments can build a secure, compliant solution that
has hardware talking to apps. Developers can do what they're good at,
while Square can do what it's good at."

  • Joe
    and the Juice
    was looking for a reliable and customizable new
    point-of-sale system that didn't need to be built from scratch for its
    U.S. launch. It used Square's existing payment flow and built-in
    tipping functionality in its custom point of sale and combined it with
    Square Stand to create an elegant new checkout flow. Today Joe and the
    Juice uses these terminals in 44 stores across the U.S.
  • Infinite
    , an expert in developing mobile enterprise
    solutions, built ezMetr, a next-generation digital taxi meter that is
    currently used by thousands of taxi drivers to take card payments.
    With ezMetr, cab drivers can upgrade their payments technology to
    better compete against ride-sharing platforms like Uber and Lyft. In
    just six months, ezMetr has been used by 12 million passengers who
    have ridden more than 20 million miles. It has launched as the
    preferred choice for taxi cabs in Washington, D.C., with other cities
    coming soon.

"The Square Reader SDK and Square APIs have been very easy to work
with and are enterprise-grade. The simplicity and built-in PCI
compliance is taking the complexity out of large-scale deployments and
is an easy choice for our development efforts," said John Broderick,
CTO of Infinite Peripherals
, the developer of the ezMetr platform.

  • QuiqMeds
    built a mobile application for health-care professionals to dispense
    medication at the point of care so patients never have to make a
    second trip to a pharmacy. The health-care industry has high security
    standards and complex backend systems, but QuiqMeds found that Square
    easily met these requirements. Its mobile platform takes patient
    copays and enables providers to dispense medication in the doctor's
    office, hospitals, or right at the patient's bedside, saving both
    patients and providers time and money.

We're excited to continue expanding the Square Developer platform with
Reader SDK. Since we launched the developer platform two years ago, a
thriving developer community is now building incredible new experiences
with Square every day. With dozens
of APIs
that enable developers to integrate Square with their online
store, mobile app, or third-party software and more than 100
, we can't wait to see what the Reader SDK will help
developers dream up next.

Developers can get started using the Square Reader SDK today at
or learn more on the Square
Corner blog

About Square, Inc.

Square, Inc. (NYSE:SQ) creates tools that help sellers start, run, and
grow their businesses. Square enables sellers to accept card payments
and also provides reporting and analytics, next-day settlement, and
chargeback protection. Square's point-of-sale software and other
business services help sellers manage inventory, locations, and
employees; access financing; engage buyers; build a website or online
store; and grow sales. The Cash App is an easy way to send, spend, and
receive money, and Caviar is a food-ordering platform. Square was
founded in 2009 and is headquartered in San Francisco, with offices in
the United States, Canada, Japan, Australia, Ireland, and the UK.

View Comments and Join the Discussion!