What are the best Open Data APIs? (2026)

Unofficial US Federal Government API Development

An Indian Government platform that provides a lot of APIS for KYC, business, education & employment

The Internet Archive

Unofficial Argentinian data API

Baidu's API marketplace — wide range of Chinese data APIs with SDKs. Partially free

Contribute or search one of the largest black history fact databases on the web

JSON formatted details about Telegram Bots available in database

United States ham radio callsigns

Location Information Prediction

This API provides locations of City of Surrey traffic loops and the corresponding traffic loop counts in 15 minute intervals. While the counts are broken up by 15 minute intervals, the data is curr...

Data on higher education institutions in the United States

An open access platform for sharing Canadian water quality data

Broadest collection of public data

Address search via the French Government

Fetches metadata from any URL passed to it, including Open Graph tags.

Federal Statistical Office Germany

People groups of the world with the fewest followers of Christ

China's largest API aggregator — finance, telecom, news, transport, weather and more. Partially free

Create and interact with Datasets, Notebooks, and connect with Kaggle

Get JSON formatted summary with title, description and preview image for any requested URL

Get measure resources and influence to rank the relative power of states in Asia

Extract structured data from any website

Stock market data

Open data about nobel prizes and events

Spatial (GIS) and non-spatial city data for Minneapolis

Large datasets repository of African open data

Data on corporate entities and directors in many countries

Data on international sanctions, crime and politically exposed persons

News articles and public datasets

Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US)

Content Curation Service

Access to Open Data from Governments, Non-profits and NGOs around the world

Access to urban research data for the Bulgarian capital Sofia

Chinese mobile analytics platform — app analytics, audience insights, attribution tracking, data marketplace

Quality of Life Data

Retrieve Udemy courses, coupons, instructors, and metadata

Open data of the city Umeå in northern Sweden

Data that helps people gain useful insight into universities in the United Kingdom

University names, countries and domains

Courses, lecture videos, detailed information for courses etc. for the University of Oslo (Norway)

More than 1.5 million barcode numbers from all around the world

The largest set of publicly available real time urban data in the UK

Collaboratively edited knowledge base operated by the Wikimedia Foundation

Mediawiki Encyclopedia

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