To submit captcha image for decoding

1. Method 1: HTTP POST via file uploading

   
   <!-- POST target, method and encode type -->
   <form action="http://bypasscaptcha.com/upload.php" method="post" enctype="multipart/form-data">
   
   <!-- KEY owned by user, it is a string without white spaces -->
   <input type="text" name="key">
   
   <!-- FILE to be uploaded -->
   <input type="file" name="file">
   
   <!-- Some tags have to be set -->
   <input type="text" name="gen_task_id" value="1">
   
   <!-- Vendor key which can be empty -->
   <input type="text" name="vendor_key">
   
   <input type="submit" value="Submit">
   </form>
   

2. Method 2: HTTP POST via file content posting

   
   <form action="http://bypasscaptcha.com/upload.php" method="post">
   <input type="text" name="key">
   
   <!-- Base64 encoded image file content -->
   <textarea name="file"></textarea>
   
   <!-- Tags have to be set -->
   <input type="text" name="gen_task_id" value="1">
   <input type="text" name="base64_code" value="1">
   
   <input type="text" name="vendor_key">
   <input type="submit" value="Submit">
   </form>
   

Returned format from server

1. When decoded successfully. (Lines are broken with a single \n char.)
   

   Value text_shown_in_the_captcha_image
   TaskId a_number_for_later_usage
   

   Example:
   

   Value volde fkdsjf
   TaskId 133243434
   

2. When error occured
   

   Error error_messages
   

   Example:
   

   Error INVALID KEY
   

   Possible error messages are
   

   INVALID KEY	Key is not correct
   NEED MORE DEPOSIT	No credits left on this key
   INPUT TIMEOUT	Input timeout
   INVALID IMG FORMAT	Image is not correct
   BAD IMAGE [some details here]	Image is detected as bad image (e.g. html source code, full black image and etc)
   More may be added in future