Go to http://developer.yahoo.com/answers/ and click create a project and you will get an yahoo API. A lot of application has yahoo api built-in.
At the lowest level, each Yahoo! Maps API works the same way. Using REST, you can plot points on a map with features like custom descriptions, URLs, labels, groups, icons and more. Your data inputs need to be formatted in Web-standard RSS format with either longitude/latitude or address information, as you like. All Yahoo! Maps APIs can take actual address information and process the geocoding for you. No more messing with preprocessing to generate XML already encoded with latitude/longitude! To get started, first select the API that's right for you. Pick from the following options, as they offer different functionality and ease of use. By programming language: no programming, JavaScript for Flash, ActionScript for Flash, AJAX or simple REST. By user experience: display your data directly on the Yahoo! Maps site or embed A Yahoo! Map in your in your web page or application via Flash, AJAX, or simply display a static Map Image. Next, some of the other Yahoo! Web Services we provide like our Traffic APIs, Local Search APIs and other Mashup data sources to help you get access to info and content to enhance your Yahoo! Maps application. Get more ideas from our application gallery, featuring working examples that you can use as a starting point for your own applications.
Application program interface is program that provide interface with two different-2 platform for a site .it is developed in programming language .
Well, I heard that Yahoo has been improving their API usability for the last few months. Learning how to use it effectively could certainly help the developers to create their own powerful applications. Apart from the standard search operators, they have introduced specific API to grab a page's details such as pages in a domain or the pages that link to a specific page or site.
Is there a limit on the amount of data that is transferred via API, like there is on Google App Services?
Yahoo! Web APIs are Yahoo!'s REST-based collection of web services. Yahoo! APIs incorporate a "REST-Like" RPC-style operations over HTTP GET or POST requests with parameters URL encoded into the request. Wholesale Silver Jewelry Wholesale Body Jewelry
Yahoo api is realy nice and good.APIs incorporate a "REST-Like" RPC-style operations over HTTP GET or POST requests with parameters URL encoded into the request.