Free Open Data APIs

18F provides programmatic access to unofficial us federal government api development via REST API.

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.

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.

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

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

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.

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.

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

Teleport provides programmatic access to quality of life data via REST API.

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 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.

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.