reCAPTCHA in SSL – Changes coming – update your code
Important news for developers using reCAPTCHA on your sites.
If you are currently using http://api.recaptcha.net/challenge?k=XXXX and you need to implement reCAPTCHA on an SSL protected page — you need to switch the links to https://www.google.com/recaptcha/api/challenge?k=XXXYYYZZZ.
Per Google, this change went into effect April 2011.
| Change from this (OLD) | To this (NEW) |
| http://api.recaptcha.net/challenge?k=XXXX | https://www.google.com/recaptcha/api/challenge?k=XXXYYYZZZ |
| http://api-verify.recaptcha.net/verify | http://www.google.com/recaptcha/api/verify |
| http://api.recaptcha.net/noscript?k= | http://www.google.com/recaptcha/api/noscript?k= |
For more information, read this page