Web Services Directory

Viewing 1 to 243 of 243 APIs
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LyricWikiSong lyrics data serviceMusic26     
TropoCommunications API for voice, SMS and Instant MessagingTelephony20     
Yahoo Query LanguageQuery language platform for Yahoo servicesDatabase19     
KivaPerson-to-person micro-lending serviceFinancial8     
Your Mapper Local Geodata For Your AppsMapping8     
TinysongMusic sharing serviceMusic6     
NPRUS National Public Radio News5     
WidgetboxCreate and distribute your widget through the world's largest widget galleryWidgets5     
Biblia.comOnline bible reference serviceReference4     
GeographBritish Isles photo servicePhotos3     
HowcastHow-to video search serviceVideo3     
Ustream.TVLive video streaming serviceVideo3     
Brighter Planet Emission EstimatesReal-time carbon footprint estimatesOther2     
EvocaPhone to web media voice servicesTelephony2     
I Heart QuotesQuotes and fortunes generatorReference2     
MyplaylistPhoto slideshow for music servicesMusic2     
ViaMichelinMapping, directions, and travel booking servicesTravel2     
Wolfram Alpha Computational knowledge and search engineReference2     
140 ProofTwitter advertising serviceAdvertising1     
Aden Forshaw's The CatRandom cat picture servicePhotos1     
All for GoodFind and share volunteer opportunities Other1     
Brooklyn MuseumMuseum online collection accessEducation1     
DezrezReal estate listing serviceReal Estate1     
ExtractivSemantic text extraction serviceInternet1     
FullContact PersonTurn email addresses and social media profiles into complete contacts.Social1     
Get SatisfactionDistributed product support servicesSocial1     
Library of Congress Prints & PhotographsImage search serviceMedia Search1     
NOAA ERDDAPOceanic science data serviceScience1     
OpinionCrawl Sentiment AnalysisWeb sentiment analysisInternet1     
Pushpin Location DataLocation and statistical information about placesMapping1     
QuickBaseWorkgroup applications managementEnterprise1     
Semantic Contextual AdvertisingContextual ad matchingAdvertising1     
Wiki-Data Company/business entity data serviceReference1     
ZoteroResearch citation organization serviceBookmarks1     
2CheckoutEcommerce servicesShopping0     
AASHE STARSSustainability tracking for colleges and universitiesEducation0     
AddressFinderNew Zealand address information servicesMapping0     
AIDS.gov Service Provider LocatorHIV/AIDS testing and care information serviceGovernment0     
Alameda County Service Providerlistings for social services in Alameda County (Oakland), CAGovernment0     
Ami-Link HideLink hiding toolInternet0     
AnniversaratorAnnual event calendar serviceCalendar0     
Apps for GhentBelgian open data serviceGovernment0     
ARIN WhoisInterent registry access serviceInternet0     
Ask SciPyCollaborative question and answer softwareAnswers0     
Associated Press MetadataNews content metadata serviceNews0     
AthlinksEndurance athlete race results serviceSports0     
Auctiva Marketplace PlatformMarketplace platform for eCommerce applicationsShopping0     
AutomemeAutomated meme generatorInternet0     
BioGRIDBiological reference search serviceScience0     
BioteaBiomedical RDF file databaseScience0     
BLAM AdsContent locking advertising serviceAdvertising0     
Book GluttonConvert HTML to EPUBUtility0     
Bookworm ePub ReaderOnline book management serviceOther0     
CastingWordsAudio Transcription ServiceTools0     
Cerego iKnowSocial cognitive learning serviceOther0     
ChemcasterCheminformatics management platformReference0     
Chicago MetropulseChicago quality of life dataGovernment0     
CIC CreditCredit Reporting ServiceFinancial0     
CitizenSpaceConsultation and Engagement ServiceProject Management0     
City of St. LouisCity of St. Louis dataGovernment0     
ClearspringWidget creation, distribution, and tracking servicesWidgets0     
CleverSetRecommendations service for eCommerce sitesRecommendations0     
ClickMeeting Virtual conferencing platformTelephony0     
CloudMade GeocodingForward and Reverse Geocoding ServiceMapping0     
CloudSideURL shortenerTools0     
ConduitApp publisher toolsTools0     
Confident CAPTCHAImage-based captcha serviceSecurity0     
Copyscape PremiumOnline plagarism search serviceSearch0     
CORDC COAMPS Winds ModelU.S. coastal wind conditions information serviceWeather0     
CORDC HFRADAR MapsHigh-frequency radar imaging serviceWeather0     
CreditAPIConsumer credit data serviceFinancial0     
Cruvee Wine SearchWine industry search serviceSearch0     
Daily-Proxies.comInternet proxy serviceInternet0     
DAVID BioinformaticsBioinformatics and genetics databaseScience0     
DayDetailsOn-this-date lookup serviceEntertainment0     
deCarta MapSearch EngineLocal search servicesMapping0     
DeepdyveScientific and medical journalsReference0     
DigitaliserDanish social networking siteSocial0     
Dino IpsumDinosaur themed placeholder text generatorUtility0     
DirectGov syndication serviceUK government content syndication serviceGovernment0     
Dome9Cloud server security consolidation serviceSecurity0     
easyDNSInternet domain hosting serviceInternet0     
EasyEthicalEthical consumer guideShopping0     
Ecometrica Our ImpactsSustainability management toolsTools0     
eduroamEuropean internet resource management serviceInternet0     
EnClout ContentContent Extract for domainsInternet0     
EnClout DMOZDmoz category for DomainsInternet0     
EnClout StemmerWord stemming serviceTools0     
EnClout Term AnalysisWord lemmatization serviceTools0     
EpomAd campaign management platformAdvertising0     
Esri Community AnalystApplication Building ServiceMapping0     
FactolexFact/Lexicon Database ServiceDatabase0     
Fhoster LivebaseCloud management serviceStorage0     
FindaportInformation on international portsReference0     
FlyagogoAviation sectional chart serviceMapping0     
Foller.meTwitter user information serviceSocial0     
Food Security DataData Indices Download ServiceDatabase0     
FoolDNS Online privacy protection serviceSecurity0     
FreeStockChartsStock and financial market data and charting serviceFinancial0     
Game of IpsumPlaceholder text generatorUtility0     
Geognos World CountriesWorldwide geocoding information serviceMapping0     
GeoMakerGeo enrichment platformMapping0     
GeoSmartNew Zealand geospatial and mapping servicesMapping0     
Globus Online TransferFile transfer serviceFile Sharing0     
Go ProcessingMobile payments servicePayment0     
Grid5000Computer science research groupOther0     
gubbList creation and managementDatabase0     
HackSenseH.A.C.K. website status monitoring serviceInternet0     
Hunt Mobile Ads Ad RequestSpanish language mobile advertisingAdvertising0     
iContactEmail marketing serviceEmail0     
IDS Knowledge ServicesPoverty reduction research databaseEducation0     
Image Color SummarizerGraphic/image analysis serviceUtility0     
Interserve Job OpeningsMinistry jobs feed serviceFeeds0     
Is EmailEmail address validation serviceEmail0     
isemail Address ValidationEmail address format validation serviceEmail0     
JawfishRSS/Atom feed widgetFeeds0     
JumpTapTargeted mobile advertising serviceAdvertising0     
KashooOnline accounting software for small businessesFinancial0     
legislation.gov.ukUK legislation information serviceGovernment0     
LISIRDSolar irradiance datasetsScience0     
liveSTORYBOARD CMSWeb content management serviceInternet0     
Longdo DictDictionary Search ServiceDictionary0     
Loripsum.netPlaceholder text generatorTools0     
MagmaVideo directory and discovery serviceVideo0     
Mammalian Adult Neurogenesis Gene OntologyStructured scientific ontologyScience0     
MapQuest Nominatim SearchGeographic search serviceMapping0     
MashSpotsLocal search and mappingSearch0     
MesagraphSocial TV content aggregatorSocial0     
Metro MapperLouisville, Kentucky data mapsMapping0     
miRMaidmiRNA database access serviceScience0     
Mobile RoadieMobile application service for musiciansMusic0     
MobPartnerMobile Affiliate Marketing ServiceAdvertising0     
MogotestWebsite consistency testing serviceInternet0     
MojivaMobile ad campaign management serviceAdvertising0     
MyAvoxDataBusiness entity dataMapping0     
myAzimiaMicrofinance Database SearchFinancial0     
MyELearningSpace Web AccessibilityWebsite accessability validation serviceUtility0     
myFeedzBlog servicesBlog Search0     
MyqrQr code serviceShopping0     
National Cancer Institue caDSRCancer and biomedical data standards serviceMedical0     
New Zealand Post LocatorPostal location finderUtility0     
NewsKnowledgeNews and business information serviceNews0     
Nike Materials SustainabilityCorporate sustainability initiativeTools0     
NOAA GOES Solar X-Ray ImagerSolar and astronomical image serviceScience0     
NoisebridgeAccess miscellaneous programming projectsEducation0     
nookedFeed management services for eCommerceShopping0     
nowCOAST LayerInfoCoastal mapping information retrieval toolMapping0     
Oakland Crime Reportscrime reports serviceGovernment0     
OCLC QuestionPointLibrary knowledge base accessEducation0     
OCLC Virtual International Authority FileLibrary authority file serviceTagging0     
Open ContextMuseum collection resesarch and reference serviceEducation0     
Open PHACTSPharmacological and physicochemical data Science0     
Open SpreetyVideo information serviceVideo0     
OpendatacommunitiesUK local government open dataGovernment0     
OpenLabelsDatabase of labels for app-codersBackend0     
Opentracker Developer AnalyticsOnline behavior tracking serviceInternet0     
ORCID Academic research organizationEducation0     
OsmekWeb publishing systemInternet0     
PDFmyURLConvert HTML into PDFOffice0     
Pen.ioWeb Page CreationInternet0     
PfamProtein domain family databaseScience0     
PHP Object GeneratorPHP object generation serviceTools0     
PidocoWireframe and prototyping softwareTools0     
PlagtrackerPlagiarism checking serviceEducation0     
Postcode AnywhereUK and international address management software, postcode finder web services and moreMapping0     
Postcode Anywhere Address ServicesAddress capture, lookup and searchMapping0     
Postcode Anywhere Customer ProfilingUK population segmentation data serviceReference0     
Postcode Anywhere Distances and DirectionsBusiness travel data serviceTravel0     
Postcode Anywhere Email ValidationEmail validation serviceEmail0     
Postcode Anywhere GeocodingGeolocation serviceMapping0     
Postcode Anywhere Government DataUK government data serviceGovernment0     
Postcode Anywhere MapsOnline mapping serviceMapping0     
Postcode Anywhere Payment ValidationBank and card validationSecurity0     
Postcode Anywhere Route OptimisationFind best route between locationsMapping0     
Postcode Anywhere Store FinderUK business listings serviceMapping0     
Postcode Anywhere Worldwide Business DataBusiness record databaseReference0     
prismic.ioContent management web softwareBackend0     
ProjectBubbleProject Management ServiceProject Management0     
ProperSpellSpelling suggesting serviceDictionary0     
Publications NZ Book CoverBook cover image serviceMedia Search0     
Push ChannelsReal-time push serviceInternet0     
PygmentsPython syntax highlighting serviceInternet0     
QRtagQR code creation and distribution serviceTools0     
QuandlNumerical data search serviceSearch0     
QuickGOGenetic science taxonomy serviceScience0     
RallyApplication development platform integration serviceProject Management0     
random.orgTrue random number generatorUtility0     
ReportGridReporting and Analytics ServiceEnterprise0     
Rhyming Rhyming dictionaryDictionary0     
RSSmemeRSS feed management and filtering serviceFeeds0     
Salsa CommonsOnline advocacy, fundraising, and organizing serviceSocial0     
SAMHSASubstance abuse and mental health servicesGovernment0     
SBML ValidatorBiology markup language validation serviceScience0     
ScienceCardResearcher publication metrics and profile serviceSocial0     
Scout for AppsTelenav voice guided navigation for mobile phonesMapping0     
ScribbleliveReal-time, multimedia content creation serviceMedia Management0     
SEOlyticsSEO analytics softwareAdvertising0     
ShareaholicSocial link-sharing serviceSocial0     
SigimeraNatural disaster information platformWeather0     
SILSwedish drug information databaseMedical0     
Silo BreakerNews and information serviceNews0     
SilobreakerEnterprise content management and workflow support serviceEnterprise0     
Skate IpsumSkateboarding themed text generatorTools0     
SlashDBCreates REST API From Relational DatabaseDatabase0     
SnapBillOnline billing serviceFinancial0     
SnoCountrySnow condition and ski resort informationSports0     
Some Murrays Website SummariesWeb site parsing toolTools0     
SortMyBooks Online Accounting ServiceFinancial0     
Sound of the CitySound map of Luebeck, GermanyMapping0     
Space-Track.orgOrbital object tracking servicesUtility0     
SpinqueCustom search configuration serviceSearch0     
SpongecellOnline calendar serviceCalendar0     
Standard Analytics IOLinked data service for scientific papersScience0     
Stockholm Film FestivalStockholm Film Festival information serviceEvents0     
SureVoIPVoIP service providerTelephony0     
SUSE StudioLinux building serviceTools0     
TeleNav AJAX MapsIntegration service for TeleNav mapsMapping0     
TiddlySpaceIdea organization and sharing servicePIM0     
TimeCampTime Tracking ServiceProject Management0     
TinyArro.wsURL shortener with statsTools0     
to.lyURL shortening toolUtility0     
TOXNET Toxicology databaseMedical0     
Trading EconomicsInternational Economic DataFinancial0     
TxtBearDocument Publishing ServiceTools0     
UniProtProtein sequence and annotation servicesMedical0     
University of Washington Decision SupportInstitutional data access serviceEducation0     
University of Washington FinancialUW financial information serviceFinancial0     
University of Washington StudentStudent information serviceEducation0     
Ur.lyURL shortening serviceTools0     
USA.gov Social Media RegistrySocial media account registryGovernment0     
VivoOnline school rewards systemEducation0     
Web Form FactoryWeb form generation serviceTools0     
WebnodeWebsite editing toolTools0     
Whale Wisdom Company Filings Retrieval ServiceFinancial0     
WhomsyWhois domain registration lookup serviceInternet0     
WordReferenceMultilingual dictionary definition serviceDictionary0     
WorldCat IdentitiesLibrary data accessReference0     
Worldcat RegistryWorldcat Registry accessEducation0     
WorldCat xISBNISBN and book edition linking serviceReference0     
WormBaseNematode genetic and biological information serviceScience0     
WrttnOnline text editorTools0     
XNATMedical imaging informatics platformOther0     
YouPageBusiness and local events directoryShopping0     
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APIs, mashups and code. Because the world's your programmable oyster.

John Musser
Founder, ProgrammableWeb

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