# zend-captcha[](https://secure.travis-ci.org/zendframework/zend-captcha)[](https://coveralls.io/github/zendframework/zend-captcha?branch=master)`Zend\Captcha` component is able to manage “Completely Automated Public Turingtest to tell Computers and Humans Apart” (CAPTCHA); it is used as achallenge-response to ensure that the individual submitting information is ahuman and not an automated process. Typically, a captcha is used with formsubmissions where authenticated users are not necessary, but you want to preventspam submissions.- File issues at https://github.com/zendframework/zend-captcha/issues- Documentation is at https://docs.zendframework.com/zend-captcha/