Start taking cash and credit card payments with the Android and iOS Reader SDK sample application.
Reader SDK: Quickstart

Quickstart

Follow this guide to start taking cash and credit card payments with the Android and iOS Reader SDK sample application in five easy steps:

The Reader SDK lets you take cash payments in addition to credit card payments. This guide starts with cash transactions, which you can do right away, even without deploying the sample application to a physical device.

To take a credit card payment, you must deploy the sample application to a physical device and have a Square Reader available. If you do not have a Square Reader, you can request a free Magstripe Reader or purchase a Square Reader online or in person.

If you need more assistance, contact Developer Support or ask for help in the Developer Forums.