If there is no location data for an IP address cc will return "XX" and country "Unknown".
Is this a free service?
What are the API usage limits?
There is no request limit, the only restriction is the server capacity which I will try to keep running smoothly.
Can I use it for my commercial application?
Yes, please give credit to myip.com if you can.
How can I exclude some parameter(s) from the response?
I will add that feature shortly, please check back for updates.
I want you to add some feature, how can I contact you?
If you have a suggestion please contact me here.