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.

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.

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.

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

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.

Extract public data from Mastodon via the REST API. Search posts by hashtag, get account profiles and posts, browse public timelines, and trending content. Works with any Mastodon instance. No auth required.

Search MusicBrainz music metadata: artists, releases, recordings, labels, tags. Free API, rate-limited 1 req/sec as required. No API key required.

Fetch data from free NASA public APIs: Astronomy Picture of the Day, Near Earth Objects (asteroids), and Image/Video Library search. No API key required.

Search the npm registry: package names, versions, descriptions, authors, weekly/monthly downloads, dependents. Free registry API, no API key required.

Scrape NZ Government tenders from GETS. Search by keyword, category, and region. Returns RFx ID, title, organisation, dates, categories, region, and overview.

Fetch OFAC sanctions data — SDN list and consolidated sanctions. Returns structured entries with names, aliases, addresses, programs, and ID documents. Free, open data from treasury.gov. No API key required.

Search millions of books via the free OpenLibrary API. Lookup by title, author, ISBN, or OpenLibrary ID. Get covers, publishers, subjects, and ratings. No authentication required.

Geocode addresses to coordinates, reverse geocode coordinates to addresses, and search for places/POIs/landmarks using the free OpenStreetMap Nominatim API. No API key required.

Extract Pokémon data from the free PokéAPI. Get Pokémon details, type matchups, ability effects, or list the entire Pokédex. No authentication required — 100% free and open API.

Scrape residential property listings from realestate.co.nz — New Zealand's largest property portal. Filter by region, district, suburb, property type, price range, and bedrooms. Returns structured data including address, price, bedrooms, bathrooms, floor area, and more.