Luc: Regroup directory by use; descriptions rewritten in house style

2026-09-08T05:59:24Z

Regroup directory by use; descriptions rewritten in house style

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== Free tier: Data sources and reference APIs ==
APIs that return data rather than doing something to yours: location, reference tables, news, markets, weather and identity checks. Note how many near-identical IP geolocation services there are — the redundancy is a fair picture of that market.

Part of the [[Free Tier Services Directory]].

=== Location and network data ===
* [https://www.bigdatacloud.com/ BigDataCloud] — IP geolocation with generous free limits, from 10,000 to unlimited calls a month depending on the endpoint.
* [https://db-ip.com/api/free DB-IP] — IP geolocation with a lite database released under CC-BY 4.0. 1,000 requests per IP per day.
* [https://freeipapi.com FreeIPAPI] — IP geolocation, free for commercial and non-commercial use.
* [https://geolocated.io Geolocated.io] — IP geolocation with servers on several continents. 2,000 requests a month.
* [https://ipwho.org/ IP Geolocation API by ipwho.org] — IP geolocation, 2,000 requests a day.
* [https://www.abstractapi.com/ip-geolocation-api IP Geolocation API] — IP geolocation from Abstract. 1,000 requests free.
* [https://ipgeolocation.io/ IP Geolocation] — IP geolocation with a permanent free plan of 1,000 requests a day.
* [https://ip-api.com ip-api] — IP geolocation with no key required, free for non-commercial use at 45 requests a minute.
* [https://ip.city IP.City] — IP geolocation, 100 requests a day.
* [https://www.ip2location.io/ IP2Location.io] — IP geolocation returning city, coordinates, ISP and ASN. Freemium.
* [https://proxmint.com/tools/ip-lookup Proxmint GeoIP] — IP to country, city and ASN as JSON, built on MaxMind GeoLite2. No key, CORS open.
* [https://ip2geo.dev ip2geo.dev] — IP geolocation returning city, country and time zone.
* [https://ipaddress.sh ipaddress.sh] — Returns your public IP address in a range of formats.
* [https://ipapi.is/ ipapi.is] — IP address API with hosting and proxy detection.
* [https://ipapi.co/ ipapi] — IP geolocation built on AWS.
* [https://ipbase.com ipbase.com] — IP geolocation with a permanent free plan of 150 requests a month.
* [https://ipinfo.io/ IPinfo] — IP address data with detail on ownership and network. Free up to 50,000 requests a month.
* [https://www.iplocate.io IPLocate] — IP geolocation with proxy, VPN and hosting detection. 1,000 requests a day.
* [https://iptrace.io IPTrace] — Deliberately simple IP geolocation API.
* [https://getjsonip.com JSON IP] — Returns the public IP address of whoever calls it. No registration.
* [https://ip.alstra.ca/ Multi-Exit IP Address Checker] — Checks your exit IP address across several nodes.
* [https://proxysentry.io/ ProxySentry] — Detects residential proxies and VPNs behind an IP address.
* [https://theipapi.com/ The IP API] — IP geolocation, 1,000 requests a day.
* [https://whatismyip.help What Is My IP] — Checks your public IPv4 and IPv6 address and the details of the request.

=== Reference and public data ===
* [https://www.abstractapi.com Abstract API] — API suite covering IP geolocation, phone number validation and email validation.
* [https://apiverve.com APIVerve] — Instant access to more than 120 small APIs under one key.
* [https://calendarific.com Calendarific] — Public holiday data for more than 200 countries.
* [https://www.canopyapi.co/ Canopy] — Amazon product, search and category data over GraphQL.
* [https://carapi.dev CarAPI.dev] — Automotive data including VIN decoding, stolen vehicle checks and valuations.
* [https://catchdoms.com CatchDoms] — Aggregates expired and dropping domain listings from 16 marketplaces, with SEO enrichment.
* [https://country-state-city.rebuscando.info/ Country-State-City Microservice API] — Countries, regions, states and cities as an API and a microservice.
* [https://disease.sh/ Disease.sh] — Covid-19 data for building public health dashboards and applications.
* [https://hsping.com HS Ping] — Harmonized System and tariff code lookup across several countries.
* [https://www.nasdisks.com/data/ NASdisks Drive Data API] — Specifications for NAS hard drives and SSDs, including CMR and SMR classification. No key, CORS enabled.
* [https://wolfram.com/language/ wolfram.com] — Knowledge-based computation in the cloud, exposing Wolfram's curated data and algorithms.
* [https://zipcodebase.com Zipcodebase] — Worldwide postal code data. 5,000 requests a month.
* [https://www.zip-codes.com/api/ Zip-Codes] — US and Canadian postal codes with address validation, radius search and census data.
* [https://zipcodestack.com Zipcodestack] — Postal code lookup and validation. 10,000 requests a month.

=== News, search and social data ===
* [https://brave.com/search/api/ Brave Search API] — Independent web, news, image and video search API, usable as context for retrieval-augmented generation.
* [https://killbait.com/api/doc KillBait API] — Submits a URL for content evaluation and flags likely clickbait — a rare example of an API aimed at content quality.
* [https://newsapi.org News API] — Searches news on the web and returns JSON. 100 queries a day free for developers.
* [https://www.xfluxapi.com XFlux] — Read API for X/Twitter profiles, searches and timelines, plus account monitoring.

=== Money, markets and tax ===
* [https://alphai.io/developers AlphaAI] — Financial news API with per-ticker impact analysis, also available over MCP.
* [https://currencyscoop.com CurrencyScoop] — Real-time currency data for financial applications. 5,000 calls a month.
* [https://earningsfeed.com/api Earnings Feed] — SEC filings, insider trades and institutional holdings in real time.
* [https://financialdata.net/ Financial Data] — Stock market and financial data. 300 requests a day.
* [https://finlight.me finlight] — Real-time financial news with ticker and ISIN resolution and sentiment tagging.
* [https://www.marketdata.app Market Data API] — Real-time and historical data for stocks, options, mutual funds and indices.
* [https://unirateapi.com UniRateAPI] — Exchange rates for more than 590 currencies and cryptocurrencies. Unlimited calls on the free plan.
* [https://vatcheckapi.com vatcheckapi.com] — VAT number validation. 150 checks a month.
* [https://vatnode.dev vatnode] — EU VAT number validation against VIES with national registry fallback.

=== Weather ===
* [https://www.tomorrow.io/weather-api/ Tomorrow.io Weather API] — Weather forecasting API with a free plan.
* [https://weatherxu.com/ WeatherXu] — Global weather: current conditions, hourly and daily forecasts, and alerts.

=== Verification and fraud checks ===
* [https://www.fraudlabspro.com FraudLabs Pro] — Screens an order for credit card fraud through a REST API.
* [https://www.layercall.com LayerCall] — Fraud and trust scoring for an IP, email, phone, domain or device in one call.
* [https://numlookupapi.com numlookupapi.com] — Phone number validation. 100 requests a month.

=== Currency ===
Compiled September 2026. Free tiers change frequently and nothing here has been independently verified — check the provider before relying on any allowance described above. Entries cover services with a standing free tier, not free trials.

=== See also ===
[[Training data]], [[Embeddings]], [[Machine learning]], and the other sections of the [[Free Tier Services Directory]].

[[Category:Free Tier Services]]

Free tier: Data sources and reference APIs - Revision history

Luc: Regroup directory by use; descriptions rewritten in house style