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Square API

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Accept itemized payments on a Square-hosted web page. No frontend experience required.

The Checkout API lets you create Square-hosted checkout web pages where your customers can pay for goods and services. Like the Orders API, the Checkout API allows you to add custom line items or catalog objects so customers can see what they are purchasing.

You can also configure a URL for customers to be redirected to, once they complete their purchase, to verify that the payment went through successfully.

Guides: Checkout