Man pages matching name captcha::recaptcha in section 3pm:

Captcha::reCAPTCHA.3pm.en	debian 10 / libcaptcha-recaptcha-perl
Captcha::reCAPTCHA.3pm.en	debian 11 / libcaptcha-recaptcha-perl
Captcha::reCAPTCHA.3pm.en	debian 12 / libcaptcha-recaptcha-perl