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The Square Python library supports Square APIs in a language-idiomatic way that reduces complexity without sacrificing API functionality.

Installation

Quickstart

SDK package

Reference library docs

SDK package

Reference library docs

Latest SDK Version: 46.0.0.20260916

Each SDK version is tied to a specific Square API version. As features are added, Square releases a new Square API version and a new SDK version. To use new features, you must update the SDK version in your application. Review the release notes to learn about changes in each API version.

An increase in the SDK major version number indicates a breaking change. You should always test your application before deploying a change to production.

Important

Version 42.0.0.20250416 of the Python SDK represents a full rewrite of the SDK, with a number of breaking changes, including client construction and parameter names. When upgrading from version 41.0.0.20250319 or earlier, read the migration guide to learn what to update and how to use the new SDK and the legacy version side by side.

Link to section

Installation

Install the latest version of the Square Python SDK with the following command:

pip install squareup

Link to section

Quickstart

Follow along with the Quickstart guide to set up and test the Square Python SDK in your own project.
Download the Square Python SDK Quickstart sample app and follow the instructions in the README.

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