22 Different APIs Used This Week: Facebook, Foursquare, Gowalla, Twitter, and YouTube

John Musser, April 9th, 2010

This past week 16 new mashups were added to our mashup directory and 22 different APIs were used to build them. And the mashups we’re seeing continue to follow the larger trends, with location and mobile being hot (thus use of APIs like the Foursquare API and the Gowalla API). Some of the newer or less frequently seen APIs include Google Gears, Meetup and Spotify Metadata. The most often used APIs this week are Box.net, Google App Engine and Google Maps. And the most commonly used types of APIs were Social (5 APIs, 5 mashups) and Mapping (5 APIs, 11 mashups). The list below shows which APIs were used by which mashups:

Bit.ly Bit.ly used in Who Clicks My Links

Box.net Box.net used in iThoughts and Box.net, Projec.to and Box.net

Facebook Facebook used in Pictarine

Flickr Flickr used in Pictarine

Foursquare Foursquare used in Checkin Mania

Google App Engine Google App Engine used in Pictarine, Who Clicks My Links

Google Contacts Google Contacts used in Pictarine

Google Earth Google Earth used in North American Environmental Atlas

Google Gears Google Gears used in Meetups Coming To Town

Google Maps Google Maps used in AreYouSafe, Checkin Mania, Crankfire.com, Data Brushing Test, Dogs Now, Meetups Coming To Town, RentSlicer

Google Maps Flash Google Maps Flash used in Virtual Highway from New Zealand Transport Agency

Google Picasa Google Picasa used in Pictarine

Google Translate Google Translate used in everygain Translator

Gowalla Gowalla used in Checkin Mania

Last.fm Last.fm used in Shared Playlists

Meetup Meetup used in Meetups Coming To Town

Oodle Oodle used in Dogs Now

OpenLayers OpenLayers used in North American Environmental Atlas

Spotify Metadata Spotify Metadata used in Shared Playlists

Twitter Twitter used in Who Clicks My Links

Yahoo Maps Yahoo Maps used in Bitter Cyclist

YouTube YouTube used in Dogs Now

Mashups of the day:
And each day there is one mashup selected to be Mashup of the Day. Here are last week’s winners:

 AreYouSafe

 Checkin Mania

 everygain Translator

 North American Environmental Atlas

 Pictarine

 Virtual Highway from New Zealand Transport Agency

 Who Clicks My Links

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John Musser
Founder, ProgrammableWeb

Adam DuVander
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.