Man pages matching name webservice::musicbrainz::request in section 3pm:

WebService::MusicBrainz::Request.3pm.en	debian 10 / libwebservice-musicbrainz-perl
WebService::MusicBrainz::Request.3pm.en	debian 11 / libwebservice-musicbrainz-perl
WebService::MusicBrainz::Request.3pm.en	debian 12 / libwebservice-musicbrainz-perl