Hi i am getting the same error :
The following error was returned: invalid-json
Check the error code reference at https://developers.google.com/recaptcha/docs/verify#error-code-reference.
Note: Error code missing-input-response may mean the user just didn’t complete the reCAPTCHA.
I am hosting on domain.com the site :http://www.wavetech3d.com/contact-us/
any ideas what to do?
