How to exclude Jira projects by ID when using /rest/api/3/project/search?

[Maxim Korhov]

I’m using Jira Cloud REST API endpoint: GET /rest/api/3/project/search Is there any way to exclude specific project IDs directly in the request (for example, something like NOT IN or !=)? I already know that the `id` parameter works only as an include filter and that `query` is just a text search. Is there any supported way to apply exclude logic on API level, or is post-filtering in code the only option? 

[Matt Doar _Adaptavist_]

Using that API to search projects, JQL is not used. The only way I can see would be to get all the project ids and then pass in a subset of them to that REST API using the keys parameter. Or you could search using project categories perhaps?

[Daniel Turczanski]

Hi @Maxim Korhov 

The JQL syntax to exlude all work item (issues) from a certain project is:

project!='Project name'

or using project id 10000:

project!=10000

Keep in mind that the GET /rest/api/3/project/search endpoint is soon going to be remove and you should be using GET /rest/api/3/search/jql instead: https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-issue-search/#api-rest-api-3-search-jql-get

[Matt Doar _Adaptavist_]

I think this answer mixes up searching for issues with JQL and searching for projects, which is not changing AFAIK

[Daniel Turczanski]

Yes you're right. 

Doesn't seem like you can achieve what the author is asking for with just one API call.