Captchas.net in my contact form

Hi,

I want to use captchas.net in my contact form but don't understand how to use it:
https://github.com/captchasDotNet/captchas.net

I have my secret key and username created.

any help would be appreciated

@cvgrenoble, The Form plugin comes with a build in captcha field which works with Googles reCaptcha.

If you really need to use the one you are referring to, I guess you'll have to create a custom plugin which will catch the Form plugins events and handle your custom action added to the form definition.