Web & Data

Rust crate metadata (?crate=serde): total & recent downloads, latest version, repository, categories, keywords. Returns JSON.

Current top tracks (title, artist, album, rank, preview) from the keyless Deezer charts endpoint. No parameters. Returns JSON.

Machine translation of English text q into Hindi. Query: ?q= Returns JSON.

Current German Bundesliga fixtures with matchup, kickoff and status. No params. Returns JSON.

Latest sum of exports and imports of goods and services as a share of GDP across every country. Returns JSON.

Search Apple App Store apps by term (param term). Query: ?term= Returns JSON.

Search open-license D&D races by keyword with ability increases, speed and size (param q). Query: ?q= Returns JSON.

Latest foreign direct investment, net inflows (current US$) for every country and region, one value each. No params. Returns JSON.

Latest GDP per capita at purchasing power parity across every country. Returns JSON.

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

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

Search the EBI Electron Microscopy Data Bank (EMDB) of cryo-EM maps by query {q}. Query: ?q= Returns JSON.

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

List FHIR Observation resources filtered by category {q} from the public HL7 FHIR R4 test server. Query: ?q= Returns JSON.

Authoritative domain registration record via RDAP (?domain=example.com): creation/expiry dates, registrar, status, nameservers, DNSSEC. Returns JSON.

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

Directory of leagues and seasons available in OpenLigaDB. No params. Returns JSON.

Ebook search returning title, author, genre, release date and price from the iTunes Search API. Param is a search term. Query: ?term= Returns JSON.

Search DBpedia knowledge base entities matching query q. Query: ?q= Returns JSON.

Full-text search of the Electron Microscopy Data Bank for {q} via the EBI Search API. Query: ?q= Returns JSON.

Search MathOverflow (research math) questions for {q}, ranked by votes. Query: ?q= Returns JSON.

Latest unemployment (% of labor force) for every country and region, one value each. No params. Returns JSON.

Searches OpenAlex for scholarly authors matching q, returning names and work counts. Query: ?q= Returns JSON.

Live bikes available and open docks at every KVB Rad (nextbike) station in Cologne, Germany, updated in real time; no params. Returns JSON.