Navyoscar45
Regular Member
- Nov 13, 2018
- 435
- 94
Please does anyone have an idea why Facebook is giving me error when I input my webhook url in my app
The URL couldn't be validated. Callback verification failed with the following errors: curl_errno = 56; curl_error = Received HTTP code 502 from proxy after CONNECT; HTTP Status Code = 502; HTTP Message = Failed to resolve host
The URL couldn't be validated. Callback verification failed with the following errors: curl_errno = 56; curl_error = Received HTTP code 502 from proxy after CONNECT; HTTP Status Code = 502; HTTP Message = Failed to resolve host