Top 88 Government APIs For Developers
Government
Api Colombia
Community driven API for Colombia Public Data.
Apiverket
Swedish public data including companies, statistics, weather and transport.
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Learn moreSerpApi - Search API
SerpApi's Search API makes it easy and fast to scrape Google and other search engines.
Bank Negara Malaysia Open Data
Malaysia Central Bank Open Data.
BCLaws
Access to the laws of British Columbia.
Brazil
Community driven API for Brazil Public Data.
Brazil Central Bank Open Data
Brazil Central Bank Open Data.
Brazil Receita WS
Consult companies by CNPJ for Brazilian companies.
Brazilian Chamber of Deputies Open Data
Provides legislative information in Apis XML and JSON, as well as files in various formats.
BuildData
Canadian construction and development data from 17 cities.
Census.gov
The US Census Bureau provides various APIs and data sets on demographics and businesses.
City, Berlin
Berlin(DE) City Open Data.
City, Gdańsk
Gdańsk (PL) City Open Data.
City, Gdynia
Gdynia (PL) City Open Data.
City, Lviv
Lviv(UA) City Open Data.
City, Nantes Open Data
Nantes(FR) City Open Data.
City, New York Open Data
New York (US) City Open Data.
City, Toronto Open Data
Toronto (CA) City Open Data.
civicAPI
Provides live and historic election results for races across the world.
CNPJ Aberto
Search Brazilian companies by CNPJ.
Code.gov
The primary platform for Open Source and code sharing for the U.S. Federal Government.
Colorado Information Marketplace
Colorado State Government Open Data.
Conversor IAE CNAE
Spanish IAE/CNAE tax activity codes, 2009→2025 crosswalk and AEAT obligations.
Data USA
US Public Data.
Data.gov
US Government Data.
Data.parliament.uk
Contains live datasets including information about petitions, bills, MP votes, attendance and more.
Dedline.io API
Data for US state voter registration deadlines and details, for primaries and general elections.
Deutscher Bundestag DIP
This API provides read access to DIP entities (e.g. activities, persons, printed material).
District of Columbia Open Data
Contains D.C. government public datasets, including crime, GIS, financial data, and so on.
EPA
Web services and data sets from the US Environmental Protection Agency.
Guides
All guides- The State of Public APIs 2026: Data From 1,580 APIsWe measured all 1,580 public APIs in our directory. How many need a key, OAuth or nothing, which work from a browser, what is growing, and how many are down.
- API Rate Limiting: Handle 429s, Then Set Your OwnHow API rate limiting works from both sides: reading limit headers, backing off correctly from a 429 against real public APIs, and setting limits on your own.