Man pages matching name request_key in section 2:

request_key.2.en	debian 10 / manpages-dev
request_key.2.en	debian 11 / manpages-dev
request_key.2.fr	debian 11 / manpages-fr-dev
request_key.2.en	debian 12 / manpages-dev
request_key.2.fr	debian 12 / manpages-fr-dev
request_key.2.ru	debian 12 / manpages-ru-dev