API - Commits by author/committer

According to the docs (https://docs.gitlab.com/ee/api/commits.html), the commits API doesn’t allow filtering the results by committer.
Moreover, it seems that the commit response includes the committer name and email but not the actual committer entity (specifically no id).

The graphql api does return a committer entity in the commit response (project -> repository -> tree -> lastCommit).

Is there some way of retrieving commits by committer details?
If not, how can I request this functionality?