Thrifty Kiwi

Fetch real-time and forecasted air quality from the free Open-Meteo API: US AQI, European AQI, PM2.5, PM10, ozone, CO, NO2, SO2. No API key required. JSON output.

Extract academic paper metadata from arXiv via the official public API. Search by keyword, browse categories (cs.AI, cs.LG, stat.ML, etc.), or fetch specific papers by arXiv ID. Parses Atom XML into clean JSON with title, authors, abstract, DOI, PDF link, and categories. No authentication required.

Scrape published Australian Government contracts from the AusTender OCDS API for any date range. Returns the agency, supplier and ABN, contract value, start and end dates, UNSPSC category and amendment flags. Free public data, no API key.

Search ClinicalTrials.gov v2 studies by keyword: NCT ID, title, status, phase, conditions, sponsor, enrollment, locations and dates. Free API, no key required.

Search CPSC product recalls from saferproducts.gov: title, hazard, remedy, product, units, injuries, retailer, image and recall dates. Free public data, no API key required.

Get live cryptocurrency prices, market data, trending coins, and search from CoinGecko. No API key required — uses CoinGecko's free public API. Supports top markets by cap, trending coins, specific coin prices, and coin search.

Search releases, masters, artists, and labels from Discogs music database via the free public API. No API key required.

Look up public DNS records for any domain with Google's DNS-over-HTTPS resolver. Returns record name, type, TTL and data for A, AAAA, MX, TXT, NS, CNAME and SOA queries. No API key required.

Turn EAN/UPC barcodes into product records from the free Open Food Facts database. Returns name, brands, categories, quantity, Nutri-Score, NOVA group, ingredients, allergens, countries, image and product link. No API key required.

Fetch recent earthquake events from the USGS FDSN API: magnitude, location, depth, tsunami flags. Filter by magnitude and radius. Free, no API key required.

Scrape EU and UN sanctions lists from public sources. Downloads the EU Consolidated Financial Sanctions List, EU Sanctions Map, and UN Security Council sanctions — no API key required. Structured JSON output.

Search the official EU Tenders Electronic Daily (TED) database and export matching notices: publication number, title, buyer name, country, publication date, procedure type and a direct link. Free EU data, no API key.

Validate EU VAT numbers against the official VIES register. Returns validity, status, registered business name and address for each number, with an automatic vatcomply fallback when a member state is unavailable. No API key required.

Scrape currency exchange rates from the European Central Bank via the free Frankfurter API. Supports latest rates, historical dates, and date ranges. No API key required. Output includes base currency, date, and rates for requested currencies.

Search the openFDA food enforcement database for US FDA food recalls: recalling firm, product, reason, classification, status, distribution and dates. Free public API, no key required.

Search 3M+ food products from Open Food Facts: brands, ingredients, nutrition per 100g, Nutri-Score, NOVA group, additives. Free API, no API key required.

Pull GBIF biodiversity occurrence records by country and species name. Returns scientific name, taxonomy, coordinates, event date, basis of record, dataset and recorder. Free public API, no key required.

Scrape GitHub repository data using the public REST API and trending page. Search repos by keyword, get repo details, releases, top contributors, and trending repositories. No authentication required — uses GitHub's public API endpoints and page scraping.

Look up Legal Entity Identifiers (LEI) in the free GLEIF global register. Returns entity legal name, status, category, addresses, registration status and last update dates. No API key required.

Search and scrape patent data from Google Patents worldwide using the hidden XHR API. No API key required.

Extract data from Hacker News via the official Firebase API. Get top stories, newest posts, best articles, Ask HN, Show HN, job listings, or specific items/comments. No authentication required — uses the public HN API.

Search Hugging Face Hub models and datasets: downloads, likes, tags, pipeline type, authors. Free public API, no API key required. JSON output.

Search the Internet Archive catalog (books, audio, video, software) and fetch item metadata from the free advancedsearch API. No API key required.

Search and lookup iTunes/App Store content via Apple's free public API. Music, apps, podcasts, movies, books, and more. No API key required.