Top 40 Open Data APIs For Developers
Open Data
Archive.org
The Internet Archive.
ArgentinaDatos
Unofficial Argentinian data API.
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Learn moreSerpApi - Search API
SerpApi's Search API makes it easy and fast to scrape Google and other search engines.
Black History Facts
Contribute or search one of the largest black history fact databases on the web.
BotsArchive
JSON formatted details about Telegram Bots available in database.
Callook.info
United States ham radio callsigns.
CARTO
Location Information Prediction.
CollegeScoreCard.ed.gov
Data on higher education institutions in the United States.
CrawlGraph
Backlink and domain-link data from Common Crawl's open web graph.
DataStream
An open access platform for sharing Canadian water quality data.
Dimdom
Polish real estate listings, agency profiles and TERYT geographic data.
Enigma Public
Broadest collection of public data.
French Address Search
Address search via the French Government.
Generate Link Preview (including checking for malicious links)
Fetches metadata from any URL passed to it, including Open Graph tags.
GENESIS
Federal Statistical Office Germany.
InfraNode
Unified German city open data: weather, air quality, EV chargers, transit, demographics.
Joshua Project
People groups of the world with the fewest followers of Christ.
Kaggle
Create and interact with Datasets, Notebooks, and connect with Kaggle.
LinkPreview
Get JSON formatted summary with title, description and preview image for any requested URL.
Lowy Asia Power Index
Get measure resources and influence to rank the relative power of states in Asia.
Microlink.io
Extract structured data from any website.
Nobel Prize
Open data about nobel prizes and events.
Open Data Minneapolis
Spatial (GIS) and non-spatial city data for Minneapolis.
openAFRICA
Large datasets repository of African open data.
OpenCorporates
Data on corporate entities and directors in many countries.
OpenSanctions
Data on international sanctions, crime and politically exposed persons.
Recreation Information Database
Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US).
Scoop.it
Content Curation Service.
Socrata
Access to Open Data from Governments, Non-profits and NGOs around the world.
Sofiaplan
Access to urban research data for the Bulgarian capital Sofia.
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 Caching: What 87 Public APIs Actually SendWe read the cache headers of 87 live public APIs. 31% send none, and only 37% answer a conditional request with a 304. What that means and how to cache them.