API Providers learn more about Provider Consoles

Submit queries to and retrieve results from the Bing Engine. Bing developer site

Shorten, Share and Track your links with the Bitly APIs.Bitly developer site

Keep, share and discover the best of the Web with Delicious APIs.Delicious developer site

Help classroom projects by integrating project information and donation functionality into your app.DonorsChoose.org developer site

Gain access to billions of data points about music, including artist info, taste profiles, playlists and more.EchoNest developer site

Bring Etsy's handmade marketplace and community into your apps.Etsy developer site

Test against Etsy's non-production data learn and explore (Sandbox API).Etsy Sandbox developer site

Build applications with facial recognition capability.Face.com developer site

Connect to the social network with the Graph API.Facebook developer site

Bring Fitbit health data into your apps, including user activities, sleep, heart, glucose and blood pressure information.Fitbit developer site

Checkin, explore your city and connect people and places (API v2).Foursquare developer site

Read and write access to the Freebase graph of people, places and things.Freebase developer site

Perform secure source code hosting and collaborative development with GitHub's v3 API.Github developer site

Perform secure source code hosting and collaborative development with GitHub's v2 API.Github developer site

Harness Google's cloud-based machine learning tools to analyze your data.Google Prediction developer site

Include high-quality web fonts in any web page.Google Web Fonts developer site

Keep up with your friends, share the places you go, and discover the extraordinary in the world around.Gowalla developer site

Put all those great ideas for Groupon improvements, extensions, and multiple-platform interfaces to work.Groupon API2 developer site

Fast, beautiful and fun way to share your life with friends through a series of pictures.Instagram developer site

Bring user profiles and professional networks to your apps.Linkedin developer site

Integrate metadata from the open source music encyclopedia.MusicBrainz developer site

Create apps and games within the MySpace platform. Monetize through advertising and virtual goods.MySpace developer site

Access NPR's content, including audio, text, images and over 250,000 stories.NPR developer site

Find breaking news, multimedia, reviews and opinion on Washington, business, sports, movies and more.NY Times developer site

Integrate PageSpeed performance analysis into your development workflow.PageSpeed developer site

Bring payments to apps, mobile and social with Adaptive Payments (Sandbox API).Paypal developer site

Access and manipulate agile project management data including projects, stories and tasks.Pivotal Tracker developer site

Easily and legally access and play music across web and mobile devices.Rdio developer site

Find the front page of the internet with Reddit APIs.Reddit developer site

Access Rhapsody technologies and content, including metadeta, search and music player.Rhapsody developer site

Interact with RubyGems.org to query and create gems, manage owners and more.Ruby Gems developer site

Explore the beta Salesforce REST API to integrate CRM.Salesforce developer site

Create applications for the social enterprise with Salesforce's collaboration platformSalesforce Chatter developer site

Shopping.com offers Publishers rich content via the Shopping.com's API.Shopping.com developer site

Easily create location-aware apps with SimpleGeo's API.SimpleGeo developer site

Access, host, upload, and comment on audio.SoundCloud developer site

Access, host, upload, and comment on audio (Sandbox API).SoundCloud sandbox developer site

Expore Spotify's music catalog, with search and look up for artists, tracks and albums.Spotify developer site

Create apps or scripts that can access Stack Exchange questions, answers, comments, badges and more.Stack Exchange developer site

Telephony platform that exposes SMS and voice capabilities.Twilio developer site

Access user data, geo, statuses and more with Twitter's REST API.Twitter developer site

Develop weather applications or integrate weather data into your apps.Weather Bug developer site

Offer accurate, reliable weather information within your websites and mobile apps.Weather Channel developer site

Get forecast and weather data with complete geolocation services, global coverage and more.Weather Underground developer site

Access up-to-date weather information for your location, including condition codes.Yahoo Weather developer site

Search the Zappos catalog and much more.Zappos developer site

Launch the generic Apigee Console to interact with other APIs.
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