PUBLICAPI / API directory
A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.
OpenAPI-specified web service (citrixonline.com, version 1.0.0): The GoToMeeting API provides seamless integration of GoToMeeting provisioning and meeting management into your existing infrastructure or third party applications. For customers, the ability to add, suspend or delete an organizer in your GoToMeeting Corporate account from within your primary management systems simplifi
profiles
OpenAPI-specified web service (getgo.com, version 1.0.0): The GoToTraining API enables developers to use the stable and robust GoToTraining functionality as the basis for online trainings in a proprietary learning management system. The GoToTraining APIs provide the ability to access the scheduling, registration, management, and reporting functions of GoToTraining from extern
profiles
OpenAPI-specified service (getgo.com:gotowebinar, version 1.0.0): The GoToWebinar API provides seamless integration of webinar registrant and attendee data into your existing infrastructure or third-party applications. The ability to register participants, as well as pull lists of registrants and attendees for a webinar, allows organizers to manage the flow of information between the
profiles
OpenAPI-specified service (payments.service.gov.uk:payments, version 1.0.3): GOV.UK Pay API (This version is no longer maintained. See openapi/publicapi_spec.json for latest API specification)
profiles
OpenAPI-specified web service (payments.service.gov.uk, version 1.0.3): GOV.UK Pay API (This version is no longer maintained. See openapi/publicapi_spec.json for latest API specification)
profiles
US state & local government contracts: search, details, NAICS lookup and AI match scoring
HTTPS: Yes · CORS: Yes
github-public-apis
European open dataset/API (Germany): Metadata is managed by GovData in CKAN. They can be read out via the interface without logging in. The metadata structure DCAT-AP.de is described here: https://www.dcat-ap.de/ An example retrieval for the keyword kindergarten is e.g.: https://ckan.govdata.de/api/3/action/dcat _catalog _search?q=kindergarten&format=rdf
profiles
github-public-apis
MCP server (ai.agenticshelf/graffeo v1.0.0): Live MCP catalog for Graffeo Coffee Roasting — North Beach SF specialty coffee since 1935.
profiles
Instagram and TikTok data API with 91 endpoints for profiles, posts, stories, reels, and comments
HTTPS: Yes · CORS: Yes
github-public-apis
Country-related data like currencies, languages, flags, regions+subregions and bordering countries
HTTPS: Yes
github-public-apis
github-public-apis
profiles
OpenAPI-specified web service (graphhopper.com, version 1.0.0): With the GraphHopper Directions API you can integrate A-to-B route planning, turn-by-turn navigation, route optimization, isochrone calculations and other tools in your application. The GraphHopper Directions API consists of the following RESTful web services: * Routing API, * Route Optimization API, * Isochrone API, *
profiles
github-public-apis
github-public-apis
OpenAPI-specified service (windows.net:graphrbac, version 1.6): The Graph RBAC Management Client
profiles
Each Country separately and Worldwide Graphs for Coronavirus. Daily updates
HTTPS: Yes · CORS: Yes
github-public-apis
Dutch public-sector open dataset and API ("Grasveldenkaart maaibeleid") registered in the national data.overheid.nl catalog. Original Dutch description: De kaart biedt een uitgebreid en gedetailleerd overzicht van grasvelden die eigendom zijn van de Gemeente Oss. Voor elk grasveld worden de volgende gegevens weergegeven: • Type Grasveld: Het specifieke type grasveld, zoals intensief gras, ecologisch gras, of ruw gras. • Oppervlakte: De totale oppervlakte van het grasve
profiles
OpenAPI-specified service (amentum.space:gravity, version 1.1.1): The gravitational field of the earth is non-uniform. The geoid is the shape the ocean surface would take if only gravity and the rotation of the Earth were considered. The geoid is the surface that defines zero elevation. The geoid height is the difference between an ideal reference ellipsoid and the geoid. The gravity
profiles
OpenAPI-specified service (apisetu.gov.in:chennaicorp, version 3.0.0): Birth and Death certificates from 1934-till date, as provided by Greater Chennai Corporation (http://www.chennaicorporation.gov.in), can be downloaded in citizen's DigiLocker account.
profiles
MCP server (ai.cybernative/ats-jobs-watch v0.1.2): New jobs (facts and links) from public Greenhouse and Ashby job boards, with a newOnly mode.
profiles
MCP server (ai.agentlookups/greenlight v1.0.0): US plug-in solar (balcony solar) law registry with a daily UL 3700 certification watch.
profiles
Catalog of practical AI books with search, series, glossary and a claim ledger
HTTPS: Yes · CORS: Yes
github-public-apis
OpenAPI-specified web service (greenpeace.org, version 1.0.0): Greenpeace Greenwire allows you connect with other volunteers, activists and groups working on environmental campaigns all across the world!
profiles
OpenAPI-specified web service (greip.io, version 1.0.0): This documentation shows how to use Greip API, By highlighting the API methods, options and some other features that allow you to get the most of this API.
profiles
Dutch public-sector open dataset and API ("Grenzen Arnhem") registered in the national data.overheid.nl catalog. Original Dutch description: De wijk en buurtgrenzen van gemeente Arnhem volgens CBS. En de gebiedsgrenzen van de acht gebieden van de wijkteams Arnhem.
profiles
Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data
HTTPS: Yes
github-public-apis
github-public-apis
Pressure scores, demand, generation mix and alerts for the 10 major U.S. power grids
HTTPS: Yes · CORS: Yes
github-public-apis
Dutch public-sector open dataset and API ("Groeirekeningen 1995-2009") registered in the national data.overheid.nl catalog. Original Dutch description: Groeirekeningen en multifactorproductiviteit naar bedrijfstakken en - klassen 1995 - 2009 Gewijzigd op 09 december 2011. Verschijningsfrequentie: Stopgezet.
profiles
Dutch public-sector open dataset and API ("Groenkaart Arnhem") registered in the national data.overheid.nl catalog. Original Dutch description: De groenkaart bevat informatie over het groen in en om de stad in beheer en onderhoud bij Cluster Openbare Ruimte van Gemeente Arnhem. Het betreft het groen in de wijk- en stedelijke structuren, de parken en het groen in het buitengebied. Het groen is onderverdeeld in groenvakken en per groenvak is de volgende informat
profiles
Dutch public-sector open dataset and API ("Groenstedelijke gebieden") registered in the national data.overheid.nl catalog. Original Dutch description: Groenstedelijke gebieden zijn de interpretatie van de stad waarvan wij vinden dat deze een groenstedelijk kenmerk hebben (groene woonomgeving met een lage woning- en industriedichtheid) ten behoeve van de woningbouw om te plannen en te analyseren hoeveel woningen groenstedelijk gebouwd (kunnen) worden.
profiles
Dutch public-sector open dataset and API ("Groenstructuren op de Groene Kaart") registered in the national data.overheid.nl catalog. Original Dutch description: Deze dataverzameling bevat de groenstructuren van onze gemeentelijke "Groene Kaart". *Bekijk de complete Groene Kaart als interactieve kaart via:* Groene Kaart 2024 (arcgis.com) De Groene Kaart is onderdeel van de gemeentelijke Verordening bomen 2024 en bijbehorende Nadere regels en Beleidsregel. De kaart is ter inform
profiles
Dutch public-sector open dataset and API ("Grondgebruik in Erfgoedkaart Historisch landschap") registered in the national data.overheid.nl catalog. Original Dutch description: Deze dataset is onderdeel van de Erfgoedkaart Historisch landschap. Dit thema bevat 7 datasets die uit hier alle 7 kunt terugvinden op de trefwoorden **“Historisch landschap”**. Ze bevatten informatie over grondgebruik, stadsontwikkeling , infrastructuur, overheid, ambachten en industrie, commercie, defensie, maatschap
profiles
Dutch public-sector open dataset and API ("Grondwater") registered in the national data.overheid.nl catalog. Original Dutch description: Deze dataset bevat gegevens over grondwaterstanden in Nijmegen-West en Nijmegen-Noord. Met een aantal peilbuizen wordt de grondwaterstand continu gemonitord. De dataset bevat ook contextdata zoals de locatie van de peilbuis en de hoogte van het maaiveld.
profiles
Dutch public-sector open dataset and API ("Grondwateronttrekkingen") registered in the national data.overheid.nl catalog. Original Dutch description: De dataset betreft grondwateronttrekkingen en is beschikbaar via verschillende diensten, waaronder OGC en OGC. Gebruikers hebben de mogelijkheid om de gegevens niet alleen via deze webservices te benaderen, maar ook direct te downloaden in diverse bestandsformaten. Dit maakt het eenvoudig om de informatie te integreren
profiles
Dutch public-sector open dataset and API ("Grondwaterverontreinigingen") registered in the national data.overheid.nl catalog. Original Dutch description: De dataset over grondwaterverontreinigingen biedt uitgebreide informatie over de aanwezigheid en verspreiding van verontreinigingen in grondwater. Deze gegevens zijn beschikbaar via OGC:WFS- en OGC, wat gebruikers in staat stelt om de informatie op een gestandaardiseerde manier te integreren en visualiseren in geografi
profiles
Dutch public-sector open dataset and API ("Groothandelsondernemingen naar personeelsomvang") registered in the national data.overheid.nl catalog. Original Dutch description: Kerncijfers naar hoofdgroepen in de groothandel; totaal groothandel, gondstoffen, consumentengoederen, bouwmaterialen, 1998 - 1999. Gewijzigd op 20 november 2001. Verschijningsfrequentie: Stopgezet.
profiles
OpenAPI-specified web service (opto22.com, version R4.2a): #### Revised: 2019-11-21 ### Overview groov View Public API revision 1.
profiles
Fast AI inference API with free tier, supports Llama, Mixtral, Gemma models
HTTPS: Yes · CORS: Yes
github-public-apis
MCP server (ae.grovisor/grotax v1.2.0): UAE Corporate Tax: CT computation, SBR, penalties, free zone test, TP and health-check.
profiles
European open dataset/API (Germany): The map service (WFS group) presents data from the topic soil.:Loss occurrences
profiles
OpenAPI-specified web service (groundhog-day.com, version 1.2.1): This API returns all of North America’s prognosticating animals and their yearly weather predictions.
profiles
MCP server (ai.agentlookups/groundrules v1.0.0): The original text of US federal and state law, with official sources; never a summary or advice.
profiles
European open dataset/API (France): Distribution of piezometers by class of groundwater level indicator, at the end of the month, followed by the BRGM of Brittany (Bureau de Recherches Géologique et Minières) under the Silures programme (Information system for the location and use of groundwater resources). The data are aggregated by month and per admini
profiles
OpenAPI-specified service (gov.bc.ca:gwells, version v1): The groundwater wells, aquifers and registry API contains information related to groundwater wells and aquifers as well as a register of qualified well drillers and well pump installers registered to operate in B.C.
profiles
OpenAPI-specified service (googleapis.com:groupsmigration, version v1): The Groups Migration API allows domain administrators to archive emails into Google groups.
profiles
OpenAPI-specified service (googleapis.com:groupssettings, version v1): Manages permission levels and related settings of a group.
profiles
github-public-apis
European open dataset/API (Germany): The map service (WFS group) presents the digital spatial data from the field of nature conservation of the Saarland.:Natural spatial division of the Saarland (and adjacent areas) (2011) Hierarchically structured natural spatial division of the Saarland (natural spaces of first to fourth order).
profiles
No results. Clear a filter or try another search term.
From discovery to implementation
Practical API integration guides, separate from catalog listings.
All guides →Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.
Saving is not configured. No answers or contact details are submitted or saved.
30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.
JavaScript is required for this guide.
Send a question or report a correction using this form.
Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information
Preview: sending is not configured. This form does not send or save anything.