open-data APIs

PM2.5 Open Data Portal provides free access to low-cost PM2.5 (fine particulate matter) sensor data from the LASS community network across Asia, particularly Taiwan.

OpenCage is a geocoding API that converts addresses into geographic coordinates (and vice versa) using open data sources including OpenStreetMap.

Bank Negara Malaysia Open Data provides free access to official financial data published by Malaysia's central bank, including exchange rates, interest rates, and key economic indicators.

The Brazil Central Bank Open Data API provides free access to official financial and economic data from Brazil s central bank (Banco Central do Brasil).

The Brazilian Chamber of Deputies Open Data API provides free access to legislative information from Brazil s lower house of Congress.

The City of Berlin Open Data portal provides free access to a wide variety of datasets published by Berlin s government and public services.

The City of Gdansk Open Data portal provides free public datasets from Gdansk, Poland, powered by the CKAN platform.

The City of Gdynia Open Data portal provides free access to public datasets from Gdynia, Poland.

Helsinki Region Infoshare (HRI) is a free open data portal providing datasets from Helsinki and surrounding cities in Finland.

City, Lviv is an open data portal providing free access to datasets from Lviv, Ukraine, including urban infrastructure, transport, and city services.

City, Nantes Open Data gives developers access to datasets published by Nantes Métropole in France, covering transport, environment, and urban planning.

City, New York Open Data is one of the largest municipal open data portals in the world, offering thousands of free datasets on topics like 311 complaints, restaurant inspections, traffic, and public safety.

City, Toronto Open Data is Canada's largest municipal open data portal, providing free access to datasets on transit, parks, permits, and public health.

Colorado Information Marketplace is Colorado's official open data portal, offering free access to state government datasets on topics like public health, education, transportation, and demographics.

The District of Columbia Open Data API gives you free access to hundreds of public datasets from the D.C.

The Istanbul (IBB) Open Data API provides access to datasets from the Istanbul Metropolitan Municipality, covering transportation, demographics, environment, and urban services across Turkey's largest city.

The Open Government ACT API provides free access to open datasets from the Australian Capital Territory government, covering areas like transport, environment, health, and planning in the Canberra region.

The Open Government Argentina API provides free access to datasets published by the Argentine government, covering topics like economy, health, education, and public infrastructure.

The Open Government Australia API gives free access to thousands of Australian federal and state government datasets, spanning areas such as environment, transport, demographics, and public services.

The Open Government Austria API (data.gv.at) offers free access to official Austrian government datasets across topics like statistics, geography, transport, and public administration.

The Open Government Belgium API provides free access to Belgian federal government datasets, covering areas including economy, environment, mobility, and social statistics.

The Open Government Canada API provides free access to the Canadian federal government's open data catalog, with thousands of datasets on topics ranging from climate and agriculture to health and justice.

The Open Government Colombia API (DANE) offers free access to official Colombian statistical and government data, including census figures, economic indicators, and demographic information.

The Open Government Cyprus API provides free access to official Cypriot government datasets covering topics such as economy, environment, demographics, and public services.

The Open Government Czech Republic API provides free access to official Czech government datasets published under open licenses, covering areas like public administration, transport, environment, and statistics.

The Open Government Denmark API (opendata.dk) provides free access to Danish public sector datasets covering topics such as municipalities, transport, culture, and the environment.

The Open Government Finland API (avoindata.fi) provides free access to Finnish public sector datasets covering topics like geospatial data, transport, statistics, and government services.

Open Government, France provides programmatic access to french government open data via REST API.

The Open Government Germany API (GovData) gives you free access to thousands of German government datasets including statistics, geographic data, and public records.

The Open Government Greece API provides access to official Greek government datasets covering areas such as economy, environment, transportation, and public health.

The Open Government India API (data.gov.in) provides access to thousands of datasets published by Indian government ministries and departments, covering agriculture, health, education, finance, and more.

The Open Government Ireland API provides free access to Irish government datasets through a CKAN-based platform, covering topics like transport, environment, demographics, and public finances.

The Open Government Italy API (dati.gov.it) offers free access to Italian government open data published across national and regional agencies, including datasets on public administration, environment, and transportation.

Open Government, Korea provides programmatic access to korea government open data via REST API.

The Open Government Lithuania API provides free public access to Lithuanian government datasets through a REST interface, covering areas such as public registries, statistics, geography, and legal documents.

The Open Government Luxembourg API provides access to official Luxembourgish government open data through the data.public.lu portal, which runs on a CKAN platform.

The Open Government Mexico (INEGI) API provides free access to official Mexican statistical data published by the National Institute of Statistics and Geography, including population, economy, geography, and census information.

The Open Government Mexico (datos.gob.mx) API provides access to thousands of datasets published by Mexican federal government agencies, covering topics such as health, education, security, and infrastructure.

The Open Government Netherlands API (data.overheid.nl) provides free access to Dutch government datasets through a SPARQL and REST interface, covering topics like legislation, geography, public finance, and environmental data.

The New South Wales (NSW) Government Open Data API provides access to a wide range of public datasets from Australia's most populous state, including transport, environment, and community data.

The New Zealand Government Open Data API provides free access to datasets published by New Zealand government agencies, covering topics like health, transport, and environmental statistics.

The Norwegian Government Open Data API (data.norge.no) provides access to publicly available datasets from Norwegian government agencies, spanning topics like geography, economy, and public services.

The Peru Open Government Data API (datosabiertos.gob.pe) offers free access to official datasets published by Peruvian government institutions, covering areas like economy, health, and social programs.

The Poland Open Government Data API (dane.gov.pl) provides access to thousands of official datasets published by Polish public institutions, covering topics from transportation and demographics to environment and finance.

The Portugal Open Government Data API (dados.gov.pt) gives developers free access to official datasets from Portuguese government agencies, including statistics on population, economy, and public services.

The Queensland Government Open Data API provides free access to thousands of datasets published by the Queensland (Australia) Government, covering topics like environment, transport, health, and demographics.

The Saudi Arabia Open Government Data API (data.gov.sa) provides access to official datasets from Saudi Arabian government entities, covering topics like economy, infrastructure, and social statistics.

The Slovakia Open Government Data API (data.slovensko.sk) provides free access to official datasets from Slovak public institutions, covering areas like public administration, environment, and social services.

The Slovenia Open Government Data API (podatki.gov.si) provides free access to official datasets published by Slovenian government bodies, including data on public finance, environment, and transportation.

The South Australian Government Open Data API gives you free access to datasets published by South Australian government agencies, covering topics like environment, transport, and public services.

The Spain Open Government Data API (datos.gob.es) exposes thousands of datasets from Spanish public institutions including statistics, geography, and public services.

Sweden open Government Data API (dataportal.se) provides access to metadata and datasets published by Swedish government agencies across topics like transportation, environment, and demographics.

The Switzerland Open Government Data API (opendata.swiss) provides a CKAN-based catalog of datasets from Swiss federal, cantonal, and municipal authorities.

Taiwan Government Open Data API (data.gov.tw) offers access to thousands of datasets from Taiwanese government agencies, including economic, environmental, and social statistics.

Thailand Open Government Data API (data.go.th) provides access to datasets published by Thai government agencies on topics like economy, environment, health, and infrastructure.

The UK Open Government Data API (data.gov.uk) is one of the largest government open data portals, exposing thousands of datasets from UK central and local government agencies.

The USA Government Open Data API (data.gov) gives free access to hundreds of thousands of datasets from US federal agencies covering topics like climate, health, energy, and finance.

Victoria State Government Open Data API (data.vic.gov.au) provides access to datasets published by Victorian government departments on topics including transport, health, environment, and local services.

Western Australia Open Data API (data.wa.gov.au) exposes datasets from WA government agencies on subjects like land, environment, and public services using the CKAN platform.

Open Data NHS Scotland is a free public data platform maintained by Public Health Scotland, offering datasets on hospitals, patient activity, waiting times, and health statistics across Scotland.

API Setu is an Indian Government platform that aggregates a wide variety of official APIs covering KYC verification, business registration, education records, and employment data.

The Internet Archive API gives you programmatic access to the Wayback Machine and one of the world's largest digital libraries, containing archived websites, books, audio, video, and software.

The Black History Facts API gives you access to one of the largest databases of Black history facts on the web.

BotsArchive provides a public database of Telegram bots with details returned in JSON format.

Callook.info is a free API that lets you look up United States amateur (ham) radio callsigns.

CARTO is a geospatial platform API that provides location intelligence and data analysis tools for mapping and prediction.

The College Scorecard API provides detailed data on U.S.

Enigma Public is a platform that aggregates a broad collection of public datasets from government and other sources into a single searchable API.

French Address Search provides programmatic access to address search via the french government via REST API.

The GENESIS API provides access to official statistical data from the Federal Statistical Office of Germany (Destatis).

The Joshua Project API provides data on people groups around the world, focusing on those with the fewest followers of Christ for missionary research purposes.

Kaggle provides programmatic access to create and interact with datasets, notebooks, and connect with kaggle via REST API.

LinkPreview is an API that fetches a summary of any URL including its title, description, and preview image in JSON format.

The Lowy Asia Power Index API provides data on the relative power of states in Asia, measuring resources and influence across multiple dimensions.

Microlink.io lets you extract structured data—like titles, descriptions, images, and metadata—from any webpage using a simple HTTP request.

Nasdaq Data Link (formerly Quandl) gives you access to a vast library of financial, economic, and alternative datasets including stock prices, futures, and macro indicators.

The Nobel Prize API provides free, open access to data about all Nobel Prize laureates and prize events since 1901.

Open Data Minneapolis provides free access to the city of Minneapolis's spatial (GIS) and non-spatial datasets including crime statistics, building permits, street infrastructure, and park locations.

openAFRICA is an open data platform hosting a large collection of datasets about African countries, covering topics like health, economics, demographics, and governance.

OpenCorporates is the world's largest open database of companies, covering corporate entities and directors across more than 130 countries.

OpenSanctions provides open access to a consolidated database of sanctioned individuals, criminal entities, and politically exposed persons (PEPs) from over 100 official sources worldwide.

PeakMetrics is a media intelligence API available via RapidAPI that aggregates news articles and public datasets for tracking narratives, mentions, and trends across online media.

The Recreation Information Database (RIDB) API gives you access to data about federal recreational areas, campgrounds, permits, historic sites, and visitor facilities across the United States.

Scoop.it is a content curation platform that lets you discover, organize, and share web content around specific topics.

Socrata is a powerful open data platform that gives you access to thousands of government and civic datasets from around the world.

The Umeå Open Data API gives free access to public datasets published by the city of Umeå, Sweden, covering topics like transportation, demographics, and local services.

The Universities List API is a simple, free resource that returns university names, their country, and associated web domains from a community-maintained dataset.

The University of Oslo Open Data API provides free access to information about courses, lecture videos, and academic content from one of Norway's largest universities.

The UPC Database API lets you look up product information by scanning or entering a barcode number, returning details like product name, description, and category from a database of over 1.5 million items worldwide.

The Urban Observatory API provides access to the largest collection of publicly available real-time urban sensor data in the UK, including traffic, air quality, noise, and environmental readings from across Newcastle and beyond.

Wikidata is a free, collaboratively edited knowledge base maintained by the Wikimedia Foundation that stores structured data behind Wikipedia and other Wikimedia projects.

The Wikipedia API (MediaWiki API) gives you programmatic access to Wikipedia articles, search functionality, page metadata, and revision history—completely free with no authentication required for read operations.

SHARE is an open dataset API that aggregates metadata from hundreds of research repositories and academic publishers worldwide.

The RATP Open Data API provides access to schedule, stop, and network data for Paris public transport, including the Metro, RER, buses, and trams.

Transport for Switzerland (opentransportdata.swiss) is the official Swiss open data platform for public transport, offering timetables, real-time data, and GTFS feeds.

The Velib Metropolis API provides real-time open data for Paris's bike-sharing service, including station locations, bike availability, and dock counts.