The HostIp.Info C# library by Bogdan Taranu can access the geotargeting service of the API. This library allows to retrieve city, country, country code, and geolocation coordinates of an IP. Includes latitude and longitude. HostUp.Info is a project that displays commercial databases, e-commerce, and the result from domain to IP.
Fhoster's Livebase API is a built-in REST API supporting HTML5, JSON and XML that allows users to create databases in cloud. Details on the API guide you through 5 steps. First is accessing a cloudlet. Fhoster defines a cloudlet as "A small piece of cloud just for you. It contains a dedicated MySQL database and everything you need to execute your models." The second step is accessing an application within the Cloudlet. Third is access a class within the application. Fourth is retrieving a structured object.
Developers have consumed APIs as a matter of practice for some time now. It's second nature. But the flip side--creating an API--is not performed with the same regularity. To some extent, this is changing as more developers become both consumers and providers of APIs. Below you'll find some tools and services that make the process of creating an API much simpler.