1: Visit the page you wish to use, in this example, the hotmail register page. 2: Find the page that starts like: gethip.srf This will give you the "k code". It'll start with k: ____________________ 3: From the same page, you'll want the extra_challenge_params, parse them out 4: Visit the google reCaptcha page appending the k value and the extra params. It'll look like this: Code: /recaptcha/api/challenge?k= + kValueHere + "&" + ParamValuesHere 5: parse out the challenge field. This will be used to get the captcha image. Code: /recaptcha/api/image?c= + challengeField 6: Bam, we have the photo. To submit the solved data, all you gotta do is: Code: /recaptcha/api/ajaxverify?c= + challengeField+ "&response=" + solvedcaptcharesponse This will give you the correct encoded string to append to your post string. Hope this helped one or two of you out there.