Last updated Aug 25, 2022

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About Jira Cloud platform

Welcome to the Jira Cloud platform developer documentation. Jira Cloud platform provides a set of base functionality shared across all Jira products, such as issues, workflows, and more.

Jira products are built on top of the Jira Cloud platform. Jira Core has the same functionality as the Jira Cloud platform, whereas Jira Software and Jira Service Management have additional functionality.

You can customize, extend, and integrate with Jira by creating apps. Apps can integrate Jira with an existing service, add new features to Jira, update Jira settings, or retrieve information from Jira.

This page covers the basics of developing for Jira Cloud:

  • Creating Jira apps and customizations with either Forge or Connect.
  • Using the Jira APIs in apps, scripts, or one-off calls.
  • Following Atlassian’s development standards for security, design, and the Atlassian Marketplace.

Forge apps

Forge is our recommended platform for building Jira and Confluence Cloud apps. It’s designed to revolutionize how Atlassian cloud products are customized, extended, and integrated. You can also integrate with Jira Cloud by building OAuth 2.0 (3LO) apps or calling the REST APIs via scripts or other API clients.

To start building a Jira Cloud app with Forge, see:

Connect apps

Atlassian Connect is a framework for building apps for Jira, Confluence, and Bitbucket Cloud. Connect is also an option for developers who want complete control over the tech stack and infrastructure, for example, projects that require more control over storage or compute hosting.

To start building a Jira Cloud app with Connect, see:

Building apps without Forge or Connect

Apps built without Forge or Connect can still access data and create content through the Jira APIs. These apps can use OAuth 2.0 (3LO) or basic auth to pass information between your app and Jira, depending on your security needs. See the Security section below for more details.

Note that Forge and Connect are required to implement certain functionality in apps. For example, only Forge and Connect apps can extend the user interface of products.

Using the APIs

You can use the Jira Cloud platform APIs in Jira apps, as well as in scripts, API clients, or other methods of making calls.

  • The REST API allows you to access and update Jira entities, such as projects and issues.
  • The Connect JavaScript API lets you use iframes with your Connect app, so that your iframe can call APIs, store cookies, access user info, and more.
  • The Forge JavaScript API (Forge documentation) provides additional functionality to the Forge platform so that you can interact with REST endpoints and to store data.

Atlassian development guidelines

Follow our design guidelines to make your app consistent with Atlassian's products. We also have resources to help keep your Jira app secure and add it to the Atlassian Marketplace.

Atlassian Design guidelines

Since Forge and Connect apps can insert content directly into the user interface, it's important that apps are visually compatible with Atlassian design. We have resources to help you design your app:

Security

There are a few basic options for security, depending on what sort of app you are trying to make:

  • Forge apps use OAuth 2.0 when authenticating with Jira. Scopes are an OAuth 2.0 mechanism that limits an app's access to a user's account. The Forge platform also provides managed APIs to make requests on behalf of the user, meaning that third-party code is never trusted with user credentials.
  • Connect apps have HTTPS and JWT authentication built in to secure communication between your app, Jira, and the user. Our Connect toolkits, Atlassian Connect Express (ACE) and Atlassian Connect for Spring Boot, handle most of the security setup for new apps. Note that OAuth 2.0 (3LO) isn't supported for Connect apps.
  • OAuth 2.0 (3LO) apps use OAuth 2.0 (3LO) to pass permissions and data from Jira.
  • Basic auth is supported for making API calls, but is not recommended unless you have other security measures in place.

Read the Security overview for more details.

Atlassian Marketplace

You can sell your app on the Atlassian Marketplace so other cloud users can install it, or list it privately if you don't intend to sell or distribute your code. Private listings use secret tokens that you can generate yourself.

If you're interested in selling you app on the Atlassian Marketplace, read our licensing guide and selling on Marketplace for more information.

Examples and resources

Check out our example apps and patterns for app ideas and strategies, or see some tutorials on more advanced topics:

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