This is the best. It has top notch and latest captcha questions. As they say, solution to fraud problems, they really solve it. Like it unique, the find image of other captcha were very annoying but these are very simple. Review collected by and hosted on G2.com.

Since I was new in this field, it took a bit of time to integrate but it's too awesome to try. Being a developer, it's very easy to integrate and their documentation is very very easy and clean. Review collected by and hosted on G2.com.