The Xaddress service allows users to identify the geographic location of an IP address down to the city level. Users can access Xaddress's functions directly using the web interface or programmatically via REST calls in either JSON or XML format. Xaddress is a free service that uses GeoLite data created by MaxMind.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.