Twitter
| [This API is no longer available. It has been split into multiple APIs, including the Twitter Ads API, Twitter Search Tweets... | Social | 12.08.2006 |
Facebook
| [This API is no longer available. Its functions have been split among the following APIs: Facebook Ads, | Social | 08.16.2006 |
del.icio.us
| From their site: del.icio.us is a social bookmarking website -- the primary use of del.icio.us is to store your bookmarks online, which allows you to access the same bookmarks from any computer and... | Bookmarks | 10.30.2005 |
Foursquare
| The Foursquare Places API provides location based experiences with diverse information about venues, users, photos, and check-ins. The API supports real time access to places, Snap-to-Place that... | Social | 09.10.2009 |
LinkedIn
| LinkedIn is the world's largest business social networking hub. Launched in 2003, LinkedIn has millions of users and is implemented in over 200 countries. One purpose of the site is to allow... | Social | 12.10.2007 |
Instagram Graph
| Instagram is a photo sharing iPhone app and service. Users take photos and can share them with Instagram contacts, as well as friends on other social networks like Twitter and Facebook. The Instagram... | Photos | 12.15.2010 |
Facebook Graph
| From documentation: At Facebook's core is the social graph; people and the connections they have to everything they care about. The Graph API presents a simple, consistent view of the Facebook... | Social | 12.17.2010 |
Eventful
| Eventful is the world's largest collection of events, taking place in local markets throughout the world, from concerts and sports to singles events and political rallies. Eventful.com is built... | Events | 10.31.2005 |
Google Calendar
| The Calendar Data API lets users perform most of the operations a normal Google Calendar user can on the Google Calendar website. Google Calendar allows client applications to view and update... | Calendars | 04.20.2006 |
Upcoming.org
| The Upcoming.org REST API is available for non-commercial use by developers to build applications by providing access to all public information stored in Upcoming's databases. Upcoming.org is a... | Events | 11.12.2005 |
SoundCloud
| SoundCloud is the leading audio platform that enables anyone to upload, record, promote and share their sounds across the web. The SoundCloud API makes most of the features from SoundCloud.com... | Music | 07.10.2008 |
NationBuilder
| NationBuilder is an open platform for users to create online communities centered around issues relevant to them. Users can create community organization websites, access a people database, and use... | Social | 10.15.2013 |
FriendFeed
| The FriendFeed API enables developers to interact with the FriendFeed web site programmatically via simple HTTP requests. FriendFeed is a service that makes it easy to share with friends online. It... | Other | 03.25.2008 |
Spotify Metadata
| Spotify allows you to share songs and playlists with friends, and work together on collaborative playlists. With Spotify Metadata API, you can explore Spotify's music catalog in two ways: search... | Music | 02.03.2010 |
TwitPic
| The TwitPic API lets you upload and post images to your Twitter account. You can upload an image for later posting or upload an image to TwitPic and automatically send it as a status update to... | Photos | 01.08.2009 |
Tumblr
| The Tumblr API allows users to read and write Tumblr blog and post data, retrieve posts by tags, get user information, follow blogs and like posts. Data is formatted in JSON and support for JSONP is... | Social | 02.10.2008 |
Facebook Social Plugins
| [This API is no longer available and this page is being maintained purely for historical and research purposes.]
Facebook Social Plugins make a user's friend's... | Social | 01.13.2011 |
MySpace
| The MySpace Developer Platform (MDP) allows developers to create applications that interact with MySpace members and their social data. With MDP you will be able to create compelling new products... | Social | 12.31.2007 |
Google Plus
| Note: The Google+ API currently provides read-only access to public data. All API calls require either an OAuth 2.0 token or an API key. - Google Plus is a service to share links, photos and other... | Social | 09.15.2011 |
Dropbox
| Dropbox is a storage service that syncs files online and across your computers via installed software. The API allows read/write access to the same files, piggybacking on Dropbox's file... | Storage | 08.04.2010 |
Reddit
| The Reddit API allows you to access the user submitted and rated stories on reddit.com. It also provides advanced functionality, including user account information and sub-reddit moderation. | News Services | 11.24.2008 |
Gowalla
| Gowalla is a location-based social networking service. The Gowalla API is another way to access your Gowalla data � one that makes it easy for third-party tools to interact with the service. This... | Social | 02.09.2010 |
Pinterest Domain
| Pinterest calls itself a "virtual pinboard," allowing users to select photos from web pages to share with their friends. This process, called pinning, helps users collect ideas, recipes,... | Social | 02.09.2012 |
AddThis Menu
| [This API is no longer available and this page is being maintained purely for historical and research purposes. PW provides 8 AddThis APIs in the directory.]
AddThis is a... | Bookmarks | 12.05.2009 |
COLOURlovers
| From their site: With the release of the COLOURlovers API, you can now access almost 1 million named colors and more than 325,000 color palettes for your creative projects and applications. Creating... | Tools | 04.20.2008 |
