Trying to get a project progress percentage from API

[Ankit Patel]

I looked up documentation but unable to find best way to get progress percentage by JIRA API to be integrated with KeyedIn PPM. 

We are looking to Sync 2 scenarios, At project level or parent level.

For parent level we have populated fields to track percent complete, completed issues and total issues. But not sure how we can do it at project level... 

[Mercy]

Jira Cloud doesn’t expose a native “project progress” percentage field through the REST API because progress is always derived from issue data rather than stored at the project level. To calculate it, your integration needs to query the issues in a project and compute the ratio of completed issues to total issues. You can use the Search API endpoint with a JQL like `project = KEY AND issuetype != Sub-task` to get total issues, and another call with `project = KEY AND statusCategory = Done` to count completed ones.