Java SDK

Start developing with Square in a matter of minutes. The Square Java library supports Square APIs in a language-idiomatic way that reduces complexity without sacrificing API functionality. The single downloadable package contains all the code and documentation you need to get started.

Installation

Add this dependency to your project's POM:

<dependency>
    <groupId>com.squareup</groupId>
    <artifactId>square</artifactId>
    <version>8.1.0.20210121</version>
    <scope>compile</scope>
</dependency>

Additional resources

• Learn more about the latest SDK in the Release Notes.

• Connect with other developers in one of our forums.

• Get support using Slack and email.

• Stay up to date with our releases by signing up for our Newsletter.

• Check out our other SDKs on our Square SDKs page.

• Video: Sandbox Short: Java SDK for Square APIs