If you're looking for a traffic data web service, you probably have not been able to find one for free. Now mapping pioneer MapQuest is beta testing a service it says provides "real time traffic information related to incidents, markets and flow."
AOL APIs (33)
||The OpenDirect API, supported by the Interactive Advertising Bureau, can be used to streamline the purchasing and selling of digital ad space. The API allows publishers to programmatically track...||Advertising||11.03.2014|
The Aol On Network
||The Aol On Network is a large, online library of videos covering news, pop culture, and more within a wide range of channels. The AOL On Network API allows developers to integrate video content,...||Video||11.12.2013|
||About.me is a service that allows users to create one-page websites about themselves. Users can customize their page, upload a photo, include biographies, interests, and links to Twitter, Facebook,...||Social||05.21.2012|
MapQuest Open Static Map
||This API is the open version of MapQuest's Static Map API. It is based on OpenStreetMap data and can be used to customize and create a map image through a simple HTTP request. Maps can be centered on...||Mapping||05.12.2011|
MapQuest Open Guidance
||The MapQuest Open Guidance API allows developers to create mobile navigation applications. Rather than simply providing the geometry of a route and narrative directions, the Guidance API shares the...||Mapping||01.24.2011|
Microsoft, AOL and Yahoo are teaming up to develop specifications for advertising APIs, the trio announced Tuesday. The goal is to make it easier for media buyers to discover, price and order premium digital inventory.