key:




Additional fields:
  Cyrillic alphabet
  2 words
  cAse sensitive
  numeric captcha
  mathematical operation
  minimum length
  minimum length
  return captcha ID
comment for Recaptcha:  
captcha type:   standart captcha


Download example script: https://anti-captcha.com/code/antigate.iim


Add additional flags in your code:
TAG POS=1 TYPE=INPUT:CHECKBOX FORM=ACTION:http://anti-captcha.com/in.php ATTR=NAME:regsense CONTENT=1

for min_len / max_len:

TAG POS=1 TYPE=INPUT:TEXT FORM=ACTION:http://anti-captcha.com/in.php ATTR=NAME:max_len CONTENT=15