Look up the Yu-Gi-Oh! card printed at a given set code {q} (e.g. SDY-001), with rarity and market price. Query: ?q= Returns JSON.

Zaragoza, Spain (Bizi Zaragoza, PBSC) live docking-station locations — station name, address, capacity and coordinates. Param q reserved (returns all stations). Query: ?q= Returns JSON.

A batch of inspirational quotes with author attribution (no params). Returns JSON.

ECONOMICS: U.S. savings bond issuance/redemption piece counts by series. Returns JSON.

SCIENCE: OpenAlex research index — search by topic for venue, open-access, citations, authors. ?q. Returns JSON.

Most recent SEC filings for a company (?ticker=AAPL) — finance-research signal. Live. Returns JSON.

Clon weather-edge signal: 31-member GFS ensemble daily-high forecast for 7 US cities, plus where Kalshi weather markets are mispriced vs the ensemble. Returns JSON.

SCIENCE: current solar-wind speed, interplanetary magnetic field and F10.7 radio flux from NOAA SWPC. Returns JSON.

SCIENCE: NASA space-weather notifications (flares, CMEs, geomagnetic storms), last 7 days. ?type=FLR|CME|GST|all. Returns JSON.

SCIENCE: georeferenced species-occurrence records from GBIF (2B+ records). ?q=species name. Returns JSON.

SCIENCE: resolve a species/name to authoritative taxonomy, rank, status and GBIF key. ?q=name. Returns JSON.

Live sports scores + status. Query ?league=nfl|nba|mlb|nhl|soccer. Live. Returns JSON.

CRYPTO: stablecoin circulating supply (USD) per blockchain, ranked with share — cross-chain liquidity map (DeFiLlama). Returns JSON.

Circulating supply per stablecoin, ranked — liquidity and de-peg risk signal. Live. Returns JSON.

Recent Stack Overflow questions by search text (?q=) and/or tag (?tag=python) — what developers are asking now. Returns JSON.

MARKETS: historical OHLC candles for a symbol (?symbol=AAPL&range=1mo&interval=1d). Returns JSON.

MARKETS: live regular-market quote with OHLC and 52-week range for a symbol (?symbol=AAPL). Returns JSON.

MARKETS: resolve a company name/query to matching tradeable ticker symbols with exchange & sector (?q=apple). Returns JSON.

MEDIA: sports team profiles — stadium, founding year, league, badge (?team=Arsenal, required). Returns JSON.

Top trending tech/startup stories now (Hacker News) with points and comment counts. Live. Returns JSON.

FINANCE: resolve a company name or ticker fragment to SEC ticker(s) + CIK (?q=apple). Returns JSON.

GEO: resolve a coordinate (?lat=&lon=) to its IANA timezone, local time & UTC offset. Returns JSON.

LOGISTICS: current local time + DST state for an IANA timezone (?zone=America/New_York). Returns JSON.

HEALTH: FDA tobacco-product problem reports — health/product problems, bystander-affected flag. No params. Returns JSON.

FINANCE: recent & upcoming U.S. Treasury securities auctions — bills, notes, bonds, TIPS (?type=Bond). Returns JSON.

ECONOMICS: official U.S. government quarterly FX rates for federal reporting (?country=Euro Zone; omit for latest quarter, all currencies). Returns JSON.

Latest US Treasury average interest rates by security type — macro/yield signal. Live. Returns JSON.

TREND DETECTOR: is a topic trending right now (?topic=)? Velocity across Wikipedia + GitHub + Hacker News. Returns JSON.

MARKETS: tickers trending in interest/searches right now for a region (?region=US). Returns JSON.

Most-viewed Wikipedia topics — what the world is paying attention to right now. Live. Returns JSON.

MEDIA: TV seasons on the iTunes store — show, price, episode count, rating (?term=friends, required). Returns JSON.

MEDIA: TV cast & crew people — country, birthday, image (?q=bryan+cranston, required). Returns JSON.

MEDIA: TV broadcast schedule for a country/date (?country=US&date=YYYY-MM-DD, defaults US/today). Returns JSON.

MEDIA: TV shows — network, genres, status, rating, summary (?q=breaking+bad, required). Returns JSON.

ECONOMICS: daily total U.S. national debt (Debt to the Penny) with day-over-day change and history (?days=15). Returns JSON.

SCIENCE: official US NWS multi-day forecast for a US coordinate (temp, wind, conditions). ?lat&lng. Returns JSON.

Max UV index forecast for a location (?lat=&lon=) — health/outdoor signal. Live. Returns JSON.

Active US National Weather Service alerts (?area=NY) — ops/logistics signal. Live. Returns JSON.

HEALTH: latest WHO GHO data points for an indicator code — country, year, sex, value. ?code=indicator code. Returns JSON.

HEALTH: search WHO Global Health Observatory indicator catalog by keyword → indicator codes. ?q=keyword. Returns JSON.

MEDIA: Wikipedia's featured article, most-read pages & news for a date (?date=YYYY-MM-DD, defaults today). Returns JSON.

SCIENCE: recent verifiable citizen-science wildlife observations from iNaturalist. ?q=taxon. Returns JSON.

MEDIA: xkcd comic — title, alt text, image (?num=353, defaults latest). Returns JSON.