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

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

GOV: Directory of UK territorial police forces with their IDs. No params. Returns JSON.

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

ENS RESOLVER: resolve an ENS name ↔ address (?name=vitalik.eth or 0x…). Returns JSON.

Live foreign-exchange rates from a base currency (?base=USD). Live. Returns JSON.

SCIENCE: NASA Astronomy Picture of the Day with expert explanation. ?date=YYYY-MM-DD. Returns JSON.

HEALTH: fuzzy drug-name matcher — best RxNorm concepts for a misspelled/approximate term. ?q=term. Returns JSON.

Crypto Fear & Greed sentiment index (0=extreme fear, 100=extreme greed). Live. Returns JSON.

GEO/LOGISTICS: resolve a place/address to coordinates + metadata (?q=). Returns JSON.

SCIENCE: real-time ISS position, altitude, velocity and sunlit status. Returns JSON.

Total crypto market cap, 24h volume, and BTC/ETH dominance with 24h change. Live. Returns JSON.

Fastest-rising new GitHub repos by stars — dev/tech trend signal. Live. Returns JSON.

Current air quality (US AQI, PM2.5, ozone) for a location (?lat=&lon=). Live. Returns JSON.

Top crypto exchanges by trust score with 24h BTC volume. Live. Returns JSON.

Top podcasts or apps for a term (?term=ai&type=podcast|app) — media/marketing signal (iTunes). Live. Returns JSON.

GOV: Official public & bank holidays for any country/year. Query ?country=US&year=2026 (ISO-2 code). Returns JSON.

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

GOV: Reference list of US courts with jurisdiction and identifiers. No params. Returns JSON.

COUNTRIES: all ISO-2 countries supported by the holiday/border endpoints (no params). Returns JSON.