Does your reCaptcha extension have "I'm not a robot" functionality?
If you follow this link, you will see that there are several types of captcha and the type we provide is "Invisible":
For "I`m not a robot" functionality it is required to develop a whole new extension, but we decided not to do so as "Invisible" captcha is currently more popular.
See more details on Google Invisible reCaptcha page
How can we help you?