Build a better team

Use the Atlassian platform to build apps for any team. If you’re new to building on Atlassian, we’re here to help.

Why build with Atlassian?

Whether you’re customizing your instance or integrating your app to reach our millions of users, the Atlassian platform provides the tools and flexibility to do it. Learn more

Explore the APIs

Customize Atlassian with our APIs and more. Whether it’s Jira, Confluence, or Bitbucket, we have APIs to help you get the data you need. View APIs

Grow your business

You create the apps. We create the Marketplace. Have an idea to make Atlassian’s products even better? Share your brilliant additions on the Atlassian Marketplace. Learn more