Web Services Directory

Viewing 1 to 74 of 74 APIs
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APIDescriptionCategoryUpdated
AlchemyAPIArtificial Intelligence as a Service Tools2009-10-02
Ancient World Mapping CenterAncient mapping databaseMapping2012-12-12
Atlasthe global video & audio indexVideo2010-12-29
BBCMedia program information serviceMedia Management2006-05-05
British MuseumMuseum linked data serviceEducation2011-11-15
CalaisSemantic data search and extraction serviceOther2008-01-31
ChemSpider InChi ResolverChemistry research information serviceScience2012-12-31
Chronicling AmericaArchive of US newspapersNews2009-10-22
City of Chicago Data PortalChicago datasetsGovernment2011-11-15
City of Edmonton Open Data CatalogueCity of Edmonton datasetsGovernment2011-11-15
City of New OrleansNew Orleans city dataGovernment2011-10-04
ConnoteaBookmark and reference sharing for researchersBookmarks2007-10-20
Consumer Complaint DatabaseDatabase of financial products and services complaintsGovernment2013-10-21
Data.CookCountyIL.GovCook County, IL government dataGovernment2011-10-03
data.gov.auAustralia government dataGovernment2011-11-11
Data.gov.ukPublic government databaseGovernment2010-01-20
Data.Illinois.GovIllinois government dataGovernment2011-10-11
Data.OK.govOklahoma state government dataGovernment2011-10-03
Data.Oregon.GovOregon state government dataGovernment2011-09-27
Data.Seattle.GovSeattle City Government dataGovernment2011-09-27
Data.WashingtonWashington state dataGovernment2011-11-15
DBpediaStructured query interface to WikipediaWiki2007-08-08
DydraCloud-based RDF storeDatabase2011-05-12
Elsevier Linked Data RepositorySemantic metadata serviceReference2012-12-06
EnrycherText analysis and keyword generation serviceReference2012-04-05
ExtractivSemantic text extraction serviceInternet2011-01-27
geocoderGeocoding services for USMapping2006-02-15
GeoNamesGeographic name and postal code lookupReference2006-01-12
Ghent University Academic BibliographyUniversity publication informationEducation2014-02-19
Google Social GraphSearch service for finding social connectionsSocial2008-02-01
GovTrack.usUS Congress database serviceGovernment2008-07-03
GroupMeSocial bookmarkingBookmarks2007-12-25
Harvard Faculty FinderHarvard faculty information serviceEducation2013-05-14
iServeSemantic web service description and discovery serviceSearch2012-11-30
KasabiData marketplaceReference2011-05-31
Kenya Open DataKenya datasetsGovernment2011-11-15
King County Open DataKing County, WA datasetsGovernment2011-11-15
legislation.gov.ukUK legislation information serviceGovernment2011-10-31
Library of Congress Subject HeadingsAccess to the Library of Congress Subject HeadingsReference2008-04-06
LIBRISSwedish library search toolSearch2011-11-25
NYC Open DataNew York City data collectionGovernment2011-10-17
O'Reilly Product Metadata InterfaceBook and publishing industry metadata interfaceReference2010-03-05
OCLC Virtual International Authority FileLibrary authority file serviceTagging2011-11-01
Office for National StatisticsUK neighborhood and census dataGovernment2008-07-03
OntokGeocode any US addressMapping2005-11-01
Open Data gencatCatalonia government dataGovernment2011-11-21
Open LibraryLibrary data accessReference2008-05-07
Open PHACTSPharmacological and physicochemical data Science2013-06-20
OpenBaltimoreBaltimore City dataGovernment2011-09-27
Openly LocalGovernment information tracking serviceGovernment2010-04-21
OpenToxToxicology prediction serviceMedical2012-03-29
Raphael Research ResourceArtwork linked data serviceEducation2012-04-10
reegleGreen Energy and Climate Tagging ServiceTagging2012-12-17
RefinderCross-repository search serviceSearch2012-11-30
SäsongmatSwedish-language seasonal food information serviceFood2012-02-29
ScholarometerScholar impact rating serviceReference2012-11-30
SeesmicVideo dashboard and communityVideo2008-01-29
SigimeraNatural disaster information platformWeather2012-08-16
SindiceSemantic data search and extraction serviceSearch2008-07-20
SISSVocInteroperable spatial information serviceMapping2012-05-04
smartRealm SNAPSocial network analysis toolSocial2010-03-11
SOCHSwedish cultural resource search serviceSearch2012-08-23
Socrata Open Data Online data sharing serviceGovernment2010-04-06
SpraciEvents and clubs databaseEvents2006-02-14
SubSiftResearch Community ResourceRecommendations2011-04-07
SwoogleSemantic data searchTagging2008-11-30
TalisLinked Data hosting platformDatabase2006-06-07
UK PostcodesUK postcode lookup serviceReference2010-08-24
UMBELSemantic structure serviceReference2010-11-10
UniProtProtein sequence and annotation servicesMedical2008-07-20
VapourLinked data/RDF format validator serviceInternet2012-07-17
Virtuoso Sponger ProxyRDF proxy serviceInternet2008-08-14
WatchdogPolitical data lookupGovernment2008-07-02
YouPageBusiness and local events directoryShopping2008-11-16
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John Musser
Founder, ProgrammableWeb

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