All services

Search the Arch User Repository (AUR) for user-submitted packages matching a query {q}. Query: ?q= Returns JSON.

MEDIA: books trending on Open Library today. Returns JSON.

CRYPTO: Bitcoin difficulty-adjustment forecast — epoch progress, estimated next change, blocks remaining (mempool.space). Returns JSON.

Latest bank lending interest rate for all countries; q sets how many most recent years to return. Query: ?q= Returns JSON.

MEDIA: music tracks — artist, album, genre, preview URL (?term=daft+punk, required). Returns JSON.

Formula 1 list of every championship season on record with the season year and its Wikipedia reference. No params. Returns JSON.

PRICE ATTESTATION: attest a live crypto or FX price (?asset=bitcoin&vs=usd) from a named source with timestamp — a data oracle. Returns JSON.

Live bikes and open docks at every Citi Bike station in New York City; no params (all stations). Returns JSON.

Search the open-license game documents indexed by Open5e by keyword {q}, with licenses and links. Query: ?q= Returns JSON.

Latest bank lending interest rate across every country. Returns JSON.

Boston (MBTA) full route catalog — subway, bus, commuter rail and ferry with long name, description, color and direction destinations. Param q reserved. Query: ?q= Returns JSON.

Capture rate, happiness, color, habitat and Pokedex flavor text for a species (param name). Query: ?name= Returns JSON.

SCIENCE: search 150M+ scholarly works via CrossRef (title, authors, DOI, citations). ?q. Returns JSON.

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

Formula 1 sprint-race calendar for a season: each sprint weekend with round, race name, circuit, locality, country and date. Param season = year. Query: ?season= Returns JSON.

TheSportsDB (any sport/league): full team profile by team id - stadium, league, formed year, location. Query: ?q= Returns JSON.

Full-text search of HGNC human gene nomenclature for {q} via the EBI Search API. Query: ?q= Returns JSON.

Boston (MBTA) real-time arrival/departure predictions at a station — arrival/departure time, direction and status. Param q = stop id (e.g. place-pktrm, place-sstat). Query: ?q= Returns JSON.

npm download counts for a package (?pkg=express) over last week and last month — real adoption signal. Returns JSON.

Look up which spells a D&D 5e class can cast by class name {q} from Open5e. Query: ?q= Returns JSON.

Return a page of {q} FHIR Immunization records from the public HL7 FHIR R4 test server. Query: ?q= Returns JSON.

Top live DeFi yields across all chains (DeFiLlama-sourced), TVL-filtered for safety and ranked by APY, with base vs reward split and 1-day APY change. Optional ?chain= and ?minTvl=. Replaces manual dashboard scanning. Returns JSON.

Current WNBA games with matchup, tip-off time and status. No params. Returns JSON.

ESPN WTA womens tennis world rankings - player, current rank, points, trend. Query: ?q= Returns JSON.