On some website your get a secury phrase or photo to identify you as person.
Some only with a simple click tick and some os identify items on a photo or random number and letters you need to do? Or fill in
How do a robot get passed that? Or is manual intervention all
There are already some links on the forum for this for example
However, please note that in some terms and conditions it is breaking the website policy to automate captcha images so you do so at your own peril.