Industry vertical

Open Data

Government and civic open data, public datasets, and reference data.

91 providers 417 APIs

Open Data on the APIs.io network indexes 91 providers publishing 417 APIs across this industry vertical.

Notable providers include Wikidata, Agricultural Statistics Service, KonbiniAPI, OpenStreetMap, USPTO, US Census Bureau, and 85 more — each profile links out to that provider’s APIs, capabilities, schemas, and governance artifacts.

Related industries: Government & Public Sector, Healthcare & Life Sciences, Aerospace & Defense, and Climate & Sustainability. Browse every industry vertical at industries.apis.io.

About this industry

Open-data APIs — government and civic data portals, public-domain reference datasets, scientific and research data, and the broader open-data ecosystem that powers transparency and research.

Providers (91)

Provider	Description	APIs	Rating
Wikidata	Wikidata is a free, collaborative, multilingual knowledge graph hosted by the Wikimedia Foundation. It provides structured linked data for Wikipedia and other Wikimedia projects...	5	developing
Agricultural Statistics Service	The National Agricultural Statistics Service (NASS) is an agency of the United States Department of Agriculture (USDA) whose mission is to support the United States, its agricul...	4	developing
KonbiniAPI	KonbiniAPI is the social data layer for Instagram and TikTok, normalizing real-time public profile, post, video, comment, audio, location, and search data into a consistent Acti...	1	developing
OpenStreetMap	OpenStreetMap (OSM) is a collaborative project to create a free, editable map of the world. The OSM ecosystem exposes a family of public REST APIs: the main editing API (v0.6) f...	3	developing
USPTO	The United States Patent and Trademark Office (USPTO) is the federal agency responsible for granting U.S. patents and registering trademarks. USPTO provides a suite of developer...	6	developing
US Census Bureau	The U.S. Census Bureau is the federal statistical agency responsible for producing data about the American people and economy. Established in 1902 and part of the U.S. Departmen...	7	developing
Trefle	An open, freely accessible botanical data source and REST API for plant information covering over 400,000 plant species with taxonomy, morphology, growth requirements, and geogr...	1	developing
Bureau of Labor Statistics	The U.S. Bureau of Labor Statistics (BLS) is the principal federal statistical agency responsible for measuring labor market activity, working conditions, price changes, and pro...	1	developing
Air Quality Programmatic APIs	Air Quality Programmatic APIs provide real-time and forecast air quality data from 11,000+ monitoring stations in 1,000+ cities worldwide. APIs deliver Air Quality Index (AQI) m...	2	developing
OpenMercantil	OpenMercantil is an independent public-data API for Spanish company intelligence. It indexes the Boletin Oficial del Registro Mercantil (BORME) and cross-references it with 29+ ...	1	developing
Weather.gov	Weather.gov is the official website of the National Weather Service (NWS), operated by NOAA within the US Department of Commerce. The NWS provides weather, hydrologic, and clima...	1	developing
Danish Meteorological Institutes	The Danish Meteorological Institute is a government agency responsible for providing meteorological and climate services in Denmark. DMI publishes weather observations, climate ...	1	developing
TheSportsDB	An open, crowd-sourced sports database of artwork and metadata with a free sports API in JSON format. TheSportsDB provides data on sports leagues, teams, players, events, venues...	1	developing
The Bureau of Economic Analysis	The Bureau of Economic Analysis (BEA) is an agency within the U.S. Department of Commerce that provides economic data to policymakers, businesses, and the general public. The BE...	1	developing
Commodity Futures Trading Commission	The Commodity Futures Trading Commission (CFTC) is the U.S. federal regulator for commodity futures and options markets. The CFTC publishes the weekly Commitments of Traders (CO...	3	developing
2020 Police Brutality	This repository accumulates and contextualizes evidence of police brutality during the 2020 George Floyd protests. The goal is to assist journalists, politicians, prosecutors, a...	1	developing
GovInfo	The GovInfo API, provided by the U.S. Government Publishing Office (GPO), provides services for developers and webmasters to access GovInfo content and metadata, including searc...	1	developing
DiscGolfAPI	DiscGolfAPI is a free, read-only public API that publishes structured JSON data about disc golf courses for developers, clubs, publishers, apps, and AI systems. It provides mach...	1	developing
Substance Abuse and Mental Health Services Administration	The Substance Abuse and Mental Health Services Administration (SAMHSA) is a branch of the U.S. Department of Health and Human Services dedicated to improving the quality and ava...	3	thin
PostalCodes.info	Postal-code lookup, search, country exports, and address validation worldwide. PostalCodes.info publishes a same-origin reference API and bulk CSV / JSON / XLSX downloads for 12...	1	thin
Consumer Financial Protection Bureau	The Consumer Financial Protection Bureau (CFPB) is the U.S. federal agency that supervises banks, lenders, and other financial companies, enforces federal consumer financial law...	3	thin
TIER	TIER Mobility was a Berlin-headquartered shared electric micromobility operator founded in 2018 by Lawrence Leuschner, Julian Blessin, and Matthias Laug, providing e-scooter, e-...	1	thin
Consumer Product Safety Commission	The U.S. Consumer Product Safety Commission (CPSC) is the federal agency responsible for protecting the public from unreasonable risks of injury or death associated with consume...	2	thin
Chicago Transit Authority	The Chicago Transit Authority (CTA) is the public transit operator for the City of Chicago and 35 surrounding suburbs, operating the second largest public transit system in the ...	4	thin
Social Security Administration	The Social Security Administration (SSA) is a U.S. federal agency that administers Social Security programs including retirement, disability (SSDI), and survivor benefits. SSA's...	4	thin
Science Museum Group	The Science Museum Group operates five UK science and technology museums: the Science Museum (London), the Science and Industry Museum (Manchester), the National Railway Museum ...	1	thin
United States Census Bureau	The U.S. Census Bureau is the nation's leading provider of quality data about its people and economy. The Census Bureau has been rolling out datasets via APIs, providing program...	3	thin
VA Lighthouse	VA Lighthouse is the US Department of Veterans Affairs' developer API platform. Published at developer.va.gov with production endpoints at api.va.gov, Lighthouse exposes 22+ API...	23	thin
Department of Energy	The U.S. Department of Energy (DOE) provides extensive open data and APIs across its national laboratories and program offices. Notable APIs are published by the Energy Informat...	6	thin
Lens	Lens is an open knowledge platform from Cambia that aggregates global scholarly works and patent records and exposes them through a REST API. The versioned API supports rich Ela...	1	thin
US Department of Defense	The US Department of Defense is responsible for providing the military forces needed to deter war and protect the security of the United States. This includes overseeing the Arm...	4	thin
Bureau of Justice Statistics Data Analysis Tools	The Bureau of Justice Statistics (BJS) is the agency within the U.S. Department of Justice responsible for collecting, analysing, and disseminating crime, criminal-justice, expe...	2	thin
US Army Corps of Engineers	The US Army Corps of Engineers is a federal agency that plays a critical role in managing the nation's water resources and infrastructure. They are responsible for building and ...	3	thin
US Bureau of Labor Statistics	The US Bureau of Labor Statistics (BLS) is the principal federal agency responsible for measuring labor market activity, working conditions, price changes, and productivity in t...	1	thin
Data Commons	Data Commons is an open knowledge graph initiative led by Google that aggregates and harmonizes the world's public data into a single graph, making global statistical data simpl...	6	thin
US Army	The US Army is the largest branch of the United States military and is responsible for conducting ground combat operations. Its mission is to defend the nation and support human...	2	thin
CMS — Centers for Medicare & Medicaid Services	The Centers for Medicare & Medicaid Services (CMS) is the U.S. federal agency within the Department of Health and Human Services that administers Medicare, Medicaid, the Childre...	10	thin
Children's Hospital of Philadelphia	Founded in 1855 as the first hospital in the United States dedicated to the healthcare of children, Children's Hospital of Philadelphia (CHOP) is a 692-bed flagship pediatric ac...	5	thin
US Department of Commerce	The US Department of Commerce is responsible for promoting economic growth and job creation in the United States. It oversees various programs and initiatives aimed at supportin...	7	thin
Energy Information Administration	The U.S. Energy Information Administration (EIA) is committed to its free and open data by making it available through an Application Programming Interface (API) and its open da...	1	thin
Smithsonian Institution	The Smithsonian Institution provides open access APIs to its collections of over 22 million objects, artworks, and natural history specimens from 19 museums, 21 libraries, and 9...	1	thin
Centers for Medicare and Medicaid Services	The Centers for Medicare and Medicaid Services (CMS) is the federal agency that provides health coverage to more than 160 million Americans through Medicare, Medicaid, the Child...	9	thin
Department of Homeland Security	The U.S. Department of Homeland Security (DHS) is a cabinet-level federal agency responsible for protecting the nation from terrorism, securing borders, enforcing immigration la...	6	thin
Country.io	Country.io is a small open data project that publishes a set of static JSON files mapping ISO 3166-1 alpha-2 country codes to common reference data: country names, capital citie...	1	thin
US Patent and Trademark Office	The US Patent and Trademark Office (USPTO) is responsible for granting patents and registering trademarks to protect intellectual property in the United States. The USPTO examin...	2	thin
US Senate	The United States Senate is one of the two chambers of Congress, responsible for representing the interests of the individual states and ensuring that federal legislation is pas...	1	thin
US Space Command	US Space Command (USSPACECOM) is a unified combatant command in the United States Department of Defense responsible for conducting operations in, from, and through space to dete...	1	thin
USDA Agricultural Research Service (ARS)	The USDA Agricultural Research Service (ARS) is the principal in-house research agency of the US Department of Agriculture. ARS conducts research to develop and implement soluti...	2	thin
NASA Open APIs	NASA Open APIs is the National Aeronautics and Space Administration's unified, public developer portal exposing space, earth science, planetary, heliophysics, and bioscience dat...	17	thin
PodcastIndex	The Podcast Index (Podcast Index LLC) is a software developer focused partnership that provides tools and data to anyone who aspires to create new and exciting Podcast experienc...	1	thin
US Copyright Office	The US Copyright Office is a government agency responsible for administering and enforcing copyright laws in the United States. The office is responsible for registering and doc...	4	thin
National Energy System Operator	The National Energy System Operator (NESO) is the independent operator responsible for planning and operating Great Britain's electricity and gas networks. NESO publishes operat...	1	thin
Administrative Office of the U.S. Courts	The Administrative Office of the United States Courts is the administrative agency of the United States federal court system, established in 1939. It provides legislative, admin...	2	thin
EU Open Data Portal	Discover the single point of access to open data from European countries, EU institutions, agencies and bodies and other European countries.	2	thin
NHS England Digital	NHS England (incorporating the former NHS Digital and NHSX) provides national digital, data, and technology services for the NHS in England. The organization operates the Spine,...	7	thin
New York Public Library What's On The Menu	The New York Public Library's What's On The Menu project is a digital collection that showcases over 17,000 historical restaurant menus from the New York City area dating back t...	1	thin
ClinicalTrials.gov	ClinicalTrials.gov is the U.S. National Institutes of Health (NIH) registry and results database of publicly and privately supported clinical studies of human participants condu...	4	thin
NOAA — National Oceanic and Atmospheric Administration	The National Oceanic and Atmospheric Administration (NOAA) is the United States scientific and regulatory agency within the Department of Commerce charged with monitoring oceani...	12	thin
The Index	theindex.fyi is a maintained meta-index of indie web and small web index sites — a curated catalog of curated catalogs. It tracks ~40 indexes spanning six categories (curated di...	1	thin
Boycott Israeli Consumer Goods Dataset	The Boycott Israeli Consumer Goods Dataset, maintained by TechForPalestine, is a version-controlled, golden-source repository collating consumer boycott and alternative product ...	1	thin
USPTO		6	thin
Department of Education	The U.S. Department of Education (ED) is a federal agency that manages and coordinates federal assistance to education and establishes policy for it. ED's mission is to promote ...	4	thin
Department of Housing and Urban Development	The U.S. Department of Housing and Urban Development (HUD) is the federal agency responsible for overseeing programs that address the country's housing needs and promote sustain...	4	minimal
Department of Justice	The U.S. Department of Justice (DOJ) is the federal executive department responsible for enforcing the law and defending the interests of the United States. DOJ exposes a portfo...	5	minimal
Department of Labor	The U.S. Department of Labor (DOL) is the federal department that fosters, promotes, and develops the welfare of wage earners, job seekers, and retirees, improves working condit...	5	minimal
Congressional Budget Office	The Congressional Budget Office (CBO) is the U.S. legislative branch agency that provides nonpartisan analyses of budgetary and economic issues to Congress. CBO publishes the Bu...	3	minimal
US Air Force	The United States Air Force is responsible for providing air and space power to protect the United States and its interests. As part of the Department of the Air Force, the USAF...	2	minimal
Bureau of Transportation Statistics	The Bureau of Transportation Statistics (BTS), part of the Department of Transportation (DOT) is the preeminent source of statistics on commercial aviation, multimodal freight a...	3	minimal
Cancer.gov	Cancer.gov is the web presence of the National Cancer Institute (NCI), the U.S. federal government's principal agency for cancer research and training. NCI and its partner progr...	6	minimal
Centers for Disease Control and Prevention	The Centers for Disease Control and Prevention (CDC) is the United States' national public health agency, part of the Department of Health and Human Services. CDC operates a bro...	7	minimal
Open Library	Open Library offers a suite of APIs to help developers get up and running with its data. This includes RESTful APIs that make Open Library data available in JSON, YAML, and RDF/...	11	minimal
Health Resources and Services Administration	The Health Resources and Services Administration (HRSA) is the primary Federal agency for improving access to health care services for people who are uninsured, isolated, or med...	2	minimal
Federal Trade Commission	The Federal Trade Commission (FTC) is a U.S. federal agency that enforces antitrust and consumer protection laws affecting virtually every area of commerce. The FTC publishes de...	4	minimal
American Battle Monuments Commission	The American Battle Monuments Commission (ABMC), established by Congress in 1923, commemorates the service, achievements, and sacrifice of U.S. Armed Forces. ABMC administers an...	1	minimal
Central Intelligence Agency	The Central Intelligence Agency (CIA) is the United States' civilian foreign intelligence service of the federal government, tasked with gathering, processing, and analyzing nat...	6	minimal
U.S. Immigration and Customs Enforcement (ICE)	U.S. Immigration and Customs Enforcement (ICE) is a federal law enforcement agency under the U.S. Department of Homeland Security responsible for enforcing federal immigration a...	3	minimal
Administration for Community Living (ACL)	The Administration for Community Living (ACL) is part of the United States Department of Health and Human Services. ACL works to maximize the independence, well-being, and healt...	1	minimal
Administration for Native Americans (ANA)	The Administration for Native Americans (ANA) is an agency within the Administration for Children and Families (ACF), U.S. Department of Health and Human Services. ANA promotes ...	1	minimal
Administrative Conference of the United States	The Administrative Conference of the United States (ACUS) is an independent federal agency within the executive branch whose statutory mission is to identify ways to improve the...	2	minimal
Environmental Protection Agency	The U.S. Environmental Protection Agency (EPA) provides multiple public data APIs covering environmental records, air quality monitoring, UV forecasts, and internal data holding...	4	minimal
Energy and Utilities	Energy and Utilities is a topic profile in the API Evangelist Network cataloging the API surfaces that move data across the modern electricity, gas, and water value chain. It in...	9	minimal
General Services Administration	The General Services Administration (GSA) provides workplaces by constructing, managing, and preserving government buildings and by leasing and managing commercial real estate. ...	31	minimal
Overture Maps Foundation	The Overture Maps Foundation is a Linux Foundation project created in partnership with Meta, Microsoft, AWS, and TomTom to build reliable, open map data as an alternative to pro...	1	minimal
Overture Maps Foundation	Overture Maps Foundation is a Linux Foundation collaborative project that produces free, open, and interoperable map data. Overture publishes cloud-native GeoParquet datasets, o...	11	minimal
PrisonDB	PrisonDB is a project that aims to provide information and tools to help folks gain access to data about prisons, jails, immigrant detention centers and other correctional insti...	1	minimal
Data.gov	Data.gov is the United States federal government's open data catalog, operated by the General Services Administration (GSA) Technology Transformation Services. It indexes over 3...	4	minimal
British Columbia Data Catalogue	The British Columbia Data Catalogue is the official open data portal for the Government of British Columbia, Canada. Built on the CKAN open data platform, it provides programmat...	1	minimal
International Development Finance Corporation	The United States International Development Finance Corporation (DFC) is a development finance institution and agency of the United States federal government. DFC invests in dev...	1	minimal
Election Assistance Commission	The U.S. Election Assistance Commission (EAC) was established by the Help America Vote Act of 2002 (HAVA). The EAC is an independent, bipartisan commission charged with developi...	1	minimal
National Endowment for the Humanities	The National Endowment for the Humanities (NEH) is the nation's largest public funder of the humanities, which include history, philosophy, literature, language, ethics, law, ar...	1	minimal
Public Sector	Industry-vertical index for the public-sector / government API landscape across U.S. federal, state, and local levels. Catalogs the federal API gateway api.data.gov (operated by...	21	minimal

APIs in this industry (417)

Showing 200 of 417 — search the full set on apis.io.

Related industries

Matched provider/API tags include Open Data, Open Government Data, Public Data.

Open Data

About this industry

Providers (91)

APIs in this industry (417)

2020 Police Brutality API

SEC EDGAR XBRL API

AGID Program Data Portal

ANA Projects Report Dataset

Equal Access to Justice Act (EAJA) Database

Federal Administrative Adjudication Database

PACER Authentication API

PACER Case Locator (PCL) API

USDA NASS Crop CASMA API

USDA NASS CroplandCROS API

USDA NASS QuickStats API

USDA NASS VegScape API

AQICN JSON Air Quality API

AQICN Real-Time Air Quality API

TTB COLA Registry

TTB Open Data API

AmeriCorps Open Data SODA API

ABMC We Remember Burial Search

ARC Data Report Tool

NASA Open APIs

BBVA Locations API

BMW Open Data Platform

Boycott Israeli Consumer Goods Dataset

BC Data Catalogue CKAN API

Bureau of Consular Affairs Data Catalog (CKAN API)

Indian Affairs GIS Open Data

BJS NCVS API

BJS NIBRS National Estimates API

BLS Public Data API

BTS Freight Analysis Framework (FAF)

BTS Open Data SODA API

TranStats - Airline On-Time Performance Data

CMS AB2D API

CMS Beneficiary Claims Data API (BCDA)

CMS Beneficiary FHIR Data Server (BFD)

CMS Blue Button 2.0 API

CMS Data at the Point of Care API (DPC)

CMS Marketplace API

CMS Medicare Coverage Database API

CMS Open Data API (data.cms.gov)

CMS Provider Data Catalog API

CMS Quality Payment Program API

CNCF Cloud Native Interactive Landscape

NCI Clinical Trials Search API

NCI Content Syndication Services

NCI EVS Terminology API

NCI Genomic Data Commons (GDC) API

NCI MoDaC API

NCI SEER API

CenterPoint Energy Green Button Connect My Data

CDC Environmental Public Health Tracking Network API

CDC NNDSS / MMWR Socrata Data

CDC Open Technology API Index

CDC PLACES / 500 Cities API

CDC Public Health Media Library (Content Syndication)

CDC Socrata Open Data API (data.cdc.gov)

CDC WONDER API

CMS Beneficiary Claims Data API (BCDA)

CMS Blue Button 2.0 API

CMS Data at the Point of Care (DPC) API

CMS Provider Data Catalog API (Care Compare)

CMS Quality Payment Program (QPP) Measures API

CMS Socrata Open Data API (data.cms.gov)

Healthcare.gov Marketplace API

Medicare Coverage Database (MCD) API

NPPES NPI Registry API

CIA Careers Portal

CIA FOIA Electronic Reading Room (CREST)

CIA Museum Digital Collection

CIA Public Website

CIA World Factbook (Country Profiles)

Studies in Intelligence Journal

Chess.com Published Data API

CTA Bus Tracker API

CTA Customer Alerts API

CTA GTFS Schedule Feed