I have a Github app that I want to use to fetch the list of members in the organisation that has authorized my app.

I do the app installation “https://github.com/apps/{app_name}/installations/new” which returns the installation_id. Great, so far so good.

I can also use the installation_id to generate an access_token “https://api.github.com/app/installations/{installation_id}/access_tokens”. Great, so far so good.

I would expect that using either the installation_id or the access_token, I would be able to look up the name of the entity that installed my app. In the event that it is an organization, I would then like to use the name to fetch members using “https://api.github.com/orgs/{org_name}/members”.

However, there does not seem to be a way to do this without fetching all installations and then looping through to find the installation_id that I just received. Then pull out the org_name from there “https://api.github.com/app/installations”.

This approach does not seem optimal.

Any advice for a more straightforward approach?

I have gotten both an installation_id as well as an access_token. I would expect to be able to fetch organisation name directly with one of those two.