How is my IP? and Chatfuel

[TuB-Klub]

Im using Chatfuel for facebook chatbot and want to add the function "How is my IP?" I'm using your http://api.rest7.com/v1/my_ip.php script as a jason request with GET and I get the error code "An error in JSON plugin has occurred – Unable to parse json"

What can i do?

thx