GeoNames API
| Geonames is a geographical database with web services that let users extract useful information about different places, such as weather, timezone and post codes. The GeoNames geographical database... | Reference | 571 | REST |
Wikipedia API
| The unofficial Wikipedia API. Because Wikipedia is built using MediaWiki, which in turn supports an API, Wikipedia does as well. This provides developers code-level access to the entire Wikipedia... | Reference | 836 | REST |
Freebase API
| [As of August 31, 2016, this API has been deactivated and this page is being maintained purely for historical and research purposes.] Freebase is an open database of the over 22 million real world... | Database | 260 | REST |
NationBuilder API
| 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 | 46 | REST |
Yahoo Answers API
| From their site: Tap into the collective knowledge of millions of Yahoo! users with the Yahoo! Answers Web Services APIs. Search for expert advice on any topic, from within your very own site. Watch... | Q&A | 128 | |
Google Maps Places API
| The Google Maps Places API is a service that returns information about a "place": an establishment, a geographic location, or prominent point of interest using an HTTP request. Place requests specify... | Mapping | 295 | REST |
DBpedia API
| From their site: DBpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask
sophisticated queries... | Wiki | 182 | REST |
The New York Times Article Search API
| The New York Times Article Search API is available to look up articles by keyword. Along with standard keyword searching, the API also offers faceted searching. The available facets include Times-... | News Services | 121 | REST |
Google Books API
| Use the Google Book Search Data API to get and modify Book Search content via feeds. Submit full-text searches for books and get book information, ratings, and reviews. Optionally get individual... | Reference | 349 | REST v1 |
USPS Track/Confirm Fields API
| The USPS Track/Confirm Fields API allows developers to get detail and summary information for a shipment broken down by fields. Developers can include up to 10 tracking IDs in each request.
This... | Shipping | 256 | REST v3.6 |
NOAA National Weather Service (NWS) NDFD SOAP API
| The NOAA National Weather Service (NWS) NDFD SOAP API provides programmatic access to forecasts, weather watches/warnings, current observations, tropical cyclone advisories, and storm prediction... | Weather | 445 | RPC v1.0 |
OpenSecrets API
| The OpenSecrets API provides access to the data displayed on OpenSecrets.org. OpenSecrets performs research to track money in U.S. politics and its effect on elections and public policy. Use the API... | Government | 59 | REST v1.0 |
GovTrack.us API
| [Editor's Note: This API is no longer available. For details, click here.]
From their site: GovTrack.us tracks the U.S. Congress and is a reference for legislation, votes, Members of Congress,... | Government | 59 | REST |
Forvo API
| The Forvo API allows users to integrate the functionality of Forvo into their websites or applications. Forvo is the largest pronunciation guide in the world, the place where you will find millions... | Reference | 69 | REST |
Goodreads API
| Use the Goodreads API to get the books on a shelf, get your friends' updates, link to a book by ISBN or other method, get the url for a book or author, get a members' friends, look up a member by... | Books | 270 | FEED |
CrunchBase API
| CrunchBase is a product of TechCrunch and is a directory of technology companies, people, and investment profiles especially for internet and startup companies. The read-only API allows for... | Reference | 99 | REST v3.1 |
The Movie Database (TMDb) API
| The TMDb API is a resource for any developers that want to integrate movie, TV show and cast data along with posters or movie fan art. themoviedb.org is a free and community edited database. | Entertainment | 431 | REST v3.0 |
Mendeley API
| Mendeley is a platform that allows scholars from all over the world to collaborate, and opens up science for everyone. The Mendeley API enables users to programmatically access reference materials... | Science | 72 | REST |
Your Mapper API
| Your Mapper aggregates local government data from cities across the nation, standardizes it, geocodes it, and keeps it up to data for you to use in your apps and services. The Your Mapper API allows... | Mapping | 46 | Unspecified |
Billboard API
| Billboard publishes the most trusted charts and offers unrivaled reporting about the latest music, video, gaming, media, digital... | Music | 167 | REST |
UrbanDictionary API
| | Reference | 37 | RPC |
Edmunds.com Vehicle API
| Edmunds has been a publisher of new and used automotive pricing guides to assist automobile buyers since 1966. In addition to pricing information, Edmunds.com includes car reviews; vehicle... | Reference | 79 | REST |
Genability API
| Genability provides tools to gain insight into electricity usage. The Genability API is a RESTful interface to detailed, accurate and up-to-date tariff and energy pricing data. Search by zipcode and... | Reference | 27 | REST |
The New York Times Newswire API
| With the Times Newswire API, you can get links and metadata for Times articles as soon as they are published on NYTimes.com. The Times Newswire API provides an up-to-the-minute stream of published... | News Services | 71 | REST |
Jigsaw API
| Jigsaw is an online directory of free, downloadable Company information and more than 11 million business Contacts. Every Jigsaw business Contact is complete with hard-to-find direct dials and email... | Enterprise | 300 | RPC |
