hotcaptcha

Sample

How To Use This On Your Own Site

Two steps:

1. Add the following line to your html:
   
   <script type="text/javascript" src="http://hotcaptcha.com/captcha"></script>
   This line must be placed inside a form; you can add it to any form where you want human captcha validation like this:
   
   <form name="sample" action="/" method="post">
       <script type="text/javascript" src="http://hotcaptcha.com/captcha"></script>
       <input type="submit" name="submit" value="Submit Proof I am Human"/>
   </form>
   
   You can control the gender by adding the gender parameter like this: "/captcha?gender=male"
   
   
2. In your server code that receives the form posting, make a call to the following url:
   
   http://hotcaptcha.com/validate_captcha?hotcatpcha_id=xxx&hotcaptcha_person_0=0...
   As parameters (GET or POST), pass in all of the form elements that begin with "hotcaptcha_". You will get back a JSON response containing a single boolean value called "valid" that will tell you if the form was picked correctly.