JIRA developer documentation

Extending JIRA is easier than you think. Build add-ons, write scripts, integrate your external applications, or even start a business on the Atlassian Marketplace. It all starts here.

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JIRA Platform

Get acquainted with the JIRA platform using our guides, tutorials, and more.


Browse JIRA's full API reference for our REST and Java APIs.

Latest updates

Get the latest news for JIRA add-on developers, including changes to our APIs and platform.

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