The Jira REST API enables you to interact with Jira programmatically. Use this API to build apps, script interactions with Jira, or develop any other type of integration. This page documents the REST resources available in Jira Cloud, including the HTTP response codes and example requests and responses.
bodyin comments, including where comments are used in issue, issue link, and transition resources.
environmentfields in issues.
textareatype custom fields (multi-line text fields) in issues. Single line custom fields (
textfield) accept a string and don't handle Atlassian Document Format content.
The version separation is through packages, if you need to use version 3, use the v3 package