Google Follows MapQuest With Driving Directions Web Service

Adam DuVander
May. 20 2010, 12:53AM EDT

Developers have long requested direct access to driving directions data from Google. Now they've got it, Google announced so today at its I/O conference (our Google Directions API profile). The feature comes after MapQuest who became the first major player to offer its directions as a web service for free.

The new web service is not to be confused with the driving directions available in the JavaScript API, which requires that the data stay in the browser. Instead, the web service will send either XML or JSON, which gives developers more freedom over how the data is used. Similarly, Google has a geocoding web service and we recently covered its elevation data API.

However, the Google Maps API terms of service restrict complete freedom. Section 10.12 forbids the "use or display the Content without a corresponding Google map." In other words, you can't put the driving directions on a Yahoo Map, nor can you store the results of bulk lookups. Both are reasonable restrictions that shouldn't hamper most developers.

While MapQuest may have beat Google to launching a web service, it's been on the search giant's radar for some time. It's been over two years since the feature was added to the public issue tracker for the Google Maps API. We'll be very interested to see the creative and useful ways developers put this valuable new capability to use.

Adam DuVander -- Adam heads developer relations at Orchestrate, a database-as-a-service company. He's spent many years analyzing APIs and developer tools. Previously he worked at SendGrid, edited ProgrammableWeb and wrote for Wired and Webmonkey. Adam is also the author of mapping API cookbook Map Scripting 101.

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