Open Data – Free-tier APIs
69 Free-tier APIs in the category Open Data. Free public web APIs that developers and AI agents can call. Entries come from the open public-apis list; each link was checked automatically (HTTP status) on the date shown, which says the site responded, not that the API is good.
221
Senegal reference data: public holidays, mobile operators, banks, communes, legal forms
49 Gallery Historical Data
Normalized historical records and 25 daily-updated reference series
AcreLens
Land suitability scoring API for any US property: off-grid, rural, recreational, investment
API Setu
An Indian Government platform that provides a lot of APIS for KYC, business, education & employment
APIllow
Zillow property data: 50+ fields per listing by address, URL, ZPID or ZIP, with sold data and comps
Archive.org
The Internet Archive
Band Atlas
Cellular IoT bands, 2G/3G sunsets and device compatibility for 46 countries
Big Data Explained
Cloud data warehouse list prices, read daily from AWS and Azure pricing APIs, with price history
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
BTU Graph
Source-reviewed energy company knowledge graph and directory exports
Callook.info
United States ham radio callsigns
CARTO
Location Information Prediction
CityAlert
Live public-safety incidents: crime, fire, disaster, weather and news from 650+ official feeds
CollegeCalcAI
US college admission chance estimates and admissions data for 1,100+ colleges
CollegeScoreCard.ed.gov
Data on higher education institutions in the United States
CoworkingView
Coworking spaces and offices in 63 European and Gulf cities with operator-published prices
CuttingToolsAI
Cross-brand carbide insert grade equivalents by ISO application class
DevLifeCheck
Security-update end dates, recalls and evidence for 1,300+ phones, tablets, Chromebooks and routers
Edgepedia
Search and read Edgepedia, a free and growing encyclopedia with citations
Enigma Public
Broadest collection of public data
EOSL
Hardware end-of-sale and end-of-service-life dates by part number, source-linked
French Address Search
Address search via the French Government
HousingFeed
US rental listings from property managers' own websites, verified weekly
i6eal Open AI Data
Open datasets on AI policy, regulation and public-sector adoption in Germany and the EU
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
Kvartiry-Phuket
Russian-language Phuket real estate guides, asking prices, condo assessment rates, weather, beaches
LinkPreview
Get JSON formatted summary with title, description and preview image for any requested URL
LottoLens PH
Fixed Philippine PCSO historical results and normal draw schedules
Lowy Asia Power Index
Get measure resources and influence to rank the relative power of states in Asia
Microburbs
Australian property and suburb data: valuations, sales, rents, schools, demographics, risk, zoning
Microlink.io
Extract structured data from any website
ModelPartFinder Error Codes
Lookup appliance and equipment error codes by brand and code, with recommended replacement parts
Monitly
Official statistics from Eurostat, World Bank, OECD, IMF and WHO for 150+ countries
MostExpensiveWatches
Documented luxury watch auction records, live listings, valuations and price indices
Nasdaq Data Link
Stock market data
Nobel Prize
Open data about nobel prizes and events
Onyx Bazaar
Free public leaderboard of x402 paid HTTP services indexed from Coinbase CDP discovery API
Open Data Minneapolis
Spatial (GIS) and non-spatial city data for Minneapolis
Open Scholarships
Free, openly-licensed directory of US scholarships and student aid from official sources
openAFRICA
Large datasets repository of African open data
OpenSanctions
Data on international sanctions, crime and politically exposed persons
Pan Africa Data
Macroeconomic and subnational income distribution data for all 54 African countries
PayCrunch
US wages for 1,008 occupations and by state, from BLS OEWS May 2025, static JSON, CC BY 4.0
PeakMetrics
News articles and public datasets
ProductGuru
Consumer product-safety recall notices from 11 government registers, looked up by barcode (EAN/GTIN)
PublicDataHub
US public schools, hospitals and federal agency budgets as JSON/CSV, with provenance
Recreation Information Database
Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US)
Registrum
UK company data: profiles, directors, PSC, iXBRL-parsed financials, ECCTA status
SlashYear
Dated historical events as JSON, each quoted from a cited Wikipedia revision
Socrata
Access to Open Data from Governments, Non-profits and NGOs around the world
Statistics of the World
Economic data for 218 countries — GDP, population, inflation, and 440+ indicators from IMF and World Bank
StatOrigin
Industry statistics, each traced to its primary source with a verbatim quote, CC BY 4.0
TerraScoutX
US property records by address: parcel, owner, appraised value, tax, flood zone and nearby schools
The Deploy Log
1,000+ AI deployments, each linked to the publisher's own page, JSON and CSV, CC BY 4.0
Tickerz
Daily indexes of real-world activity from public data, each reading timestamped in Bitcoin
Tilth
Free daily UK fertiliser price index across nine grades, CC BY 4.0 licensed
Umeå Open Data
Open data of the city Umeå in northen Sweden
Universities List
University names, countries and domains
University of Oslo
Courses, lecture videos, detailed information for courses etc. for the University of Oslo (Norway)
UPC database
More than 1.5 million barcode numbers from all around the world
Urban Observatory
The largest set of publicly available real time urban data in the UK
Verified Handles
Official social media handles and identifiers of 155,000+ notable people and organisations
Voidly
Internet censorship measurements, incidents, and ISP-level blocking data across 126 countries
Vuntum
Sourced, dated facts on consumer robots and physical AI, licensed CC BY 4.0
Wikidata
Collaboratively edited knowledge base operated by the Wikimedia Foundation
Wikipedia
Mediawiki Encyclopedia