need to change 9k issues to epic issue type via api

[Jeffrey Bistrong]

Has anyone been successful in changing an issue type via the API to an EPIC.

I can do it via the bulk move option but its painfully slow to do as I can only do 1k issues at a time

It also lets me do the move while keeping the epic name field blank, and only selecting an epic status

[Miguel Ramon]

Hey @Jeffrey Bistrong - quick question are you also moving the issues between two different projects, or are you attempting to change the issue type within a single project?

Haven't tested, but if it's the same project and the original issue type shares the same workflow as the epic, you should be able to make a PUT to the /rest/api/2/issue/issuekey and send the epic issue type ID in the payload as such:

{"fields":{
     "issuetype":{
           "id":"<epic-issuetype-ID>"}
     }
}

Let me know if this is what you're looking for - I think there is no easy way to move issues between projects via API endpoint, since it checks for so many configuration differences between them. Here's the feature request for that: https://jira.atlassian.com/browse/JRACLOUD-61359