Man pages matching name catalyst::authentication::credential::http in section 3pm:

Catalyst::Authentication::Credential::HTTP.3pm.en	debian 10 / libcatalyst-authentication-credential-http-perl
Catalyst::Authentication::Credential::HTTP.3pm.en	debian 11 / libcatalyst-authentication-credential-http-perl
Catalyst::Authentication::Credential::HTTP.3pm.en	debian 12 / libcatalyst-authentication-credential-http-perl