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API Name Category Date
Google Maps
Mapping 12.05.2005
Twitter
Social 12.08.2006
YouTube
Video 02.08.2006
Flickr
Photos 09.04.2005
eBay
Search 12.05.2005
foursquare
Social 09.10.2009
GeoNames
Reference 01.12.2006
Wikipedia
Reference 09.05.2008
Google AdSense
Advertising 06.01.2006
Box
Storage 03.07.2006
Bing
Search 06.04.2009
Yahoo BOSS
Search 07.10.2008
LinkedIn
Social 12.10.2007
Instagram
Photos 12.15.2010
Freebase
Database 10.13.2007
Yelp
Recommendations 08.03.2007
Yahoo Local Search
Search 11.12.2005
Panoramio
Photos 06.12.2007
Facebook Graph
Social 12.17.2010
Eventful
Events 10.31.2005
Google Ajax Feeds
Feeds 04.20.2007
Bit.ly
URL Shortener 07.13.2008
Microsoft Bing
Search 01.23.2006
Yahoo Term Extraction
Search 11.12.2005
Google Geocoding
Mapping 12.08.2010
FriendFeed
Other 03.25.2008
SoundCloud
Music 07.10.2008
Yahoo Answers
Q&A 08.16.2006
BBC
Media 10.29.2005
Shopzilla
eCommerce 01.04.2008
LyricWiki
Music 03.16.2008
Tumblr
Social 02.10.2008
MySpace
Social 12.31.2007
Echo Nest
Music 09.20.2008
Vimeo
Video 09.16.2007
Etsy
eCommerce 03.23.2009
WeatherBug
Weather 01.13.2006
Google Places
Mapping 05.20.2010
Tropo
Telephony 08.29.2009
Sunlight Labs Congress
Government 02.27.2007
Yahoo Query Language
Database 12.05.2008
Rotten Tomatoes
Recommendations 04.22.2011
Netvibes
Widgets 11.05.2006
Google Plus
Social 09.15.2011
DonorsChoose
Education 03.27.2009
Reddit
News Services 11.24.2008
Basecamp
Project Management 03.29.2006
MapLarge
Mapping 12.17.2010
Dropbox
Storage 08.04.2010
Google Maps Elevation
Mapping 03.25.2010
SendGrid
Email 08.11.2009
New York Times Article Search
News Services 02.04.2009
MailChimp
Email 12.21.2007
Google Books
Reference 09.29.2008
OpenSecrets
Government 08.21.2008
CNET
eCommerce 02.01.2007
Hoiio Voice
Telephony 08.18.2011
Grooveshark
Music 06.30.2010
CityGrid
eCommerce 03.06.2010
Multimap
Mapping 03.23.2007
Zvents
Events 02.07.2006
Groupon
eCommerce 04.06.2010
Forvo
Reference 03.24.2010
Fire Eagle
Social 03.04.2008
MapQuest
Mapping 03.07.2006
Rovi Cloud Services
Entertainment 02.28.2011
Nexmo Wholesale SMS
Messaging 01.10.2011
Google Latitude
Mapping 05.21.2010
Guardian
News Services 03.10.2009
GitHub
Tools 02.23.2009
CrunchBase
Reference 07.16.2008
COLOURlovers
Tools 04.20.2008
Disqus
Blogging 01.27.2008
Yahoo Mail
Email 03.28.2007
Google Drive
Storage 04.24.2012
Twitter Streaming
Social 12.17.2010
Klout
Analytics 04.14.2009
Weather Underground (Wunderground)
Weather 04.02.2009
Daylife
News Services 08.08.2007
Seatwave
Entertainment 02.24.2012
Pinterest
Social 02.09.2012
Ordr.in
Food 09.29.2011
Hoiio SMS
Messaging 08.13.2011
8coupons
eCommerce 12.03.2010
Your Mapper
Mapping 08.15.2009
What The Trend?
Social 03.27.2009
Kiva
Financial 02.03.2009
Best Buy BBYOpen Products
eCommerce 10.24.2008
Meetup
Social 07.10.2008
Yahoo Site Explorer
SEO 02.01.2007
Revver
Video 10.22.2006
The Movie DB
Entertainment 06.16.2010
World Weather Online
Weather 02.03.2010
Walk Score
Real Estate 12.29.2009
WatchMouse
Monitoring 09.22.2009
Janrain Engage
Security 12.24.2008
CoinDesk
Financial 09.21.2013
BTC-e
Financial 03.19.2013
iTunes & App Store Search
Media 12.06.2011
eBay Shopping
eCommerce 10.19.2011