Web Services Directory

Viewing 1 to 114 of 114 APIs
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Google MapsMapping servicesMapping2537     
YouTubeVideo sharing and searchVideo686     
Google SearchSearch servicesSearch188     
Google Ajax SearchWeb search componentsSearch136     
Google App EngineDeveloper platformTools124     
Google HomepagePortal gadgetsWidgets101     
Google ChartChart creation serviceOther90     
Google AdSenseAdvertising managementAdvertising80     
Google BasePlatform for structure and semi-structured dataShopping67     
Google AJAX LibrariesContent distribution network for AJAX librariesInternet62     
Google AnalyticsWeb analytics serviceInternet58     
FreebaseCommunity driven open databaseDatabase56     
Google EarthMapping and 3D geo visualizationMapping50     
Google Ajax FeedsAccess RSS and Atom feeds with JavaScriptFeeds46     
Google Maps DataService to store, update and view geodataMapping46     
Google Maps FlashFlash-based mapping serviceMapping46     
Google TranslateLanguage translation serviceUtility44     
Google CalendarCalendar serviceCalendar43     
Google AdWordsSearch advertisingAdvertising41     
Google Custom SearchGoogle custom search managementSearch37     
Google PicasaPhoto management and sharing servicePhotos36     
BloggerBlogging servicesBlogging35     
FeedBurnerBlog promotion tracking serviceBlogging34     
Google GeocodingGoogle Maps Geocoding ServiceMapping33     
Google VisualizationDisplay and visualization of structured dataOther29     
Google Static MapsSimple online mapping serviceMapping25     
Google Fusion TablesData sharing and visualization platformDatabase20     
Google PlacesLocal business and point of interest serviceMapping20     
Google SpreadsheetsOnline spreadsheetsOffice19     
Google TalkChat applicationChat18     
Google PlusContent sharing serviceSocial16     
Google ContactsContact list managementOther15     
Google Documents ListDocument management servicesOffice14     
Google Maps ElevationGet elevation data for any locationMapping14     
Google BooksBook search servicesReference13     
Google DesktopDesktop search and gadgetsSearch13     
Google Gmail OAuthEMail serviceEmail13     
Google Webmaster ToolsWeb site management toolsInternet13     
Google CheckoutShopping cart servicesShopping12     
Google Mashup EditorMashup creation tool extensions APITools12     
Google LatitudeLocation sharing serviceMapping10     
Google OpenIDOpenID login for Google account usersSecurity10     
Google Single SignOnAuthentication for Google AppsSecurity10     
JaikuSocial messaging serviceMessaging10     
Google BuzzSocial sharing serviceSocial9     
Google Street View ImageStreet view image servicePhotos9     
Google Client AuthenticationAccount authentication for installed applicationsSecurity8     
Google Friend ConnectSocial network serviceSocial8     
Google Gears GeolocationUser geographical positioning serviceMapping8     
Google FontWeb font serviceOther7     
Google DirectionsDriving directions web serviceMapping6     
Google Shopping SearchProduct search serviceShopping6     
Google Social GraphSearch service for finding social connectionsSocial6     
Google Apps Email MigrationMigrate existing email systems to Google AppsEmail5     
Google Book Search Book ViewabilityBook searchSearch5     
Google WaveCollaboration and communication platformSocial5     
Google Web AuthenticationAccount authentication proxy for web-based applicationsSecurity5     
OrkutSocial network from GoogleSocial5     
Google Distance MatrixTravel distance based on Google MapsMapping4     
Google GearsTools for offline browser extensionsOther4     
Google HealthHealth data serviceMedical4     
Google URL ShortenerURL shortening serviceUtility4     
Google Finance PortfolioInvesting portfolio servicesFinancial3     
Google Safe BrowsingSecurity service to verify URLsSecurity3     
Google Sites Access data from the Google Sites serviceTools3     
PicnikOnline photo editing servicePhotos3     
Google Affiliate NetworkAffiliate marketing networkAdvertising2     
Google Closure CompilerJavaScript optimization serviceTools2     
Google Code SearchCode search serviceSearch2     
Google Email SettingsAllows administration of Google Apps email accountsEmail2     
Google NotebookOnline notebook serviceUtility2     
Google PredictionArtificial intelligence serviceTools2     
Google StorageOnline storage serviceStorage2     
Google TasksPersonal task list servicePIM2     
Google Translator Toolkit Document translation serviceTools2     
iGoogle ThemesGoogle homepage design serviceOther2     
Google Apps MarketplaceIntegrate Google billing services with applicationsPayment1     
Google Apps ScriptAutomation service for Google productsTools1     
Google Civic InformationCivic information serviceGovernment1     
Google In-App PaymentsPayments within applicationsPayment1     
Google O3D3D API for web browsersOther1     
Google ProvisioningUser provisioning for Google AppsEnterprise1     
Google Shopping ContentProduct listing serviceShopping1     
Google SidewikiAccess to Google Sidewiki contentInternet1     
Google Website OptimizerCreate and modify website optimizer experimentsInternet1     
reCAPTCHASecurity and Book Digitalization ServiceSecurity1     
AdmobMobile advertising serviceAdvertising0     
DoubleClickOnline display ad serviceAdvertising0     
DoubleClick for PublishersAdvertising management serviceAdvertising0     
Googe Refine ReconciliationServiceSemantic linking serviceUtility0     
Google APIs DiscoveryGoogle API directory serviceInternet0     
Google Apps Group MigrationEmail and file migration serviceEmail0     
Google Apps Profiles DataUpdate and retrieve Google Apps profilesUtility0     
Google BigQueryLarge dataset querying serviceDatabase0     
Google CalDAVOnline calendar serviceCalendar0     
Google CardDAVContact information management serviceEmail0     
Google Cloud DNSDomain Name System database serviceInternet0     
Google Cloud SQLCloud-based MySQL databaseDatabase0     
Google Commerce SearchOnline store and e-commerce product search serviceShopping0     
Google DiacritizeLanguage pronunciation toolReference0     
Google Issue Tracker DataView and update issues on Google Project Hosting Tools0     
Google ModeratorTool for collection and ideas, questions and recommendationsTools0     
Google Payment ExpressMobile payments servicePayment0     
Google Plus DomainsGoogle+ Development ServicesSocial0     
Google Plus HangoutsVideo chatChat0     
Google Plus HistoryContent sharing serviceSocial0     
Google PowerMeterPower consumption monitoring toolTools0     
Google Real Time ReportingReal-time data from Google AnalyticsInternet0     
Google Research SearchSearch services for researchersSearch0     
Google Shared SpacesCollaborative widget serviceWidgets0     
Google Time ZoneTime zone by location serviceTools0     
Google Virtual KeyboardVritual keyboard serviceOther0     
Social GoldOnline gaming payment and virtual currency servicePayment0     
The DealmapLocal dealsShopping0     
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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.