10 Top CAPTCHA APIs

With the rise of Artificial Intelligence, it is more important than ever for application developers to be able to determine if a user is a human or a machine. Enter CAPTCHA, which is an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart". CAPTCHAS, which come in a variety of shapes and sizes, are designed to decrease spam and malicious activity. The most common CAPTCHA would be a series of random alphanumeric characters displayed on a web page in which a human must copy into a web form.