Pay-per-call discovery

Convert an Islamic Hijri calendar date to the Gregorian date, including weekday and month names. Keyless Aladhan API.

Observed sea water temperature for today at a NOAA CO-OPS station (where the sensor is offered), at 6-minute intervals.

Hourly marine wave forecast for a lat/lon: significant wave height, period, direction, plus wind-wave and swell components, from Open-Meteo Marine.

Latest Terminal Aerodrome Forecast (TAF) for one or more ICAO airport ids: validity window, forecast periods, wind, visibility, and clouds, with raw text.

Observed water level (tide gauge) readings for today at a NOAA CO-OPS station, sampled at 6-minute intervals with quality flags.

Metadata for a single NOAA CO-OPS station: name, location, tidal/great-lakes flags, and links to datums, sensors, and flood levels.

Scout near-real-time hazard assessment for recently discovered near-Earth object candidates not yet in the catalog, with provisional designation, sky position, magnitude, hazard scores and…

Predicted high and low tides for a NOAA CO-OPS tidal station for today, with time, height, and type (H/L). Keyless NOAA Tides & Currents.

Real-time orbital telemetry for the International Space Station including latitude, longitude, altitude, velocity, visibility, ground footprint and solar position. Powered by the keyless Where The…

Observed wind speed, direction, and gusts for today at a NOAA CO-OPS coastal station, at 6-minute intervals.

Predicted tidal current velocities for today at a NOAA CO-OPS current station, with mean flood/ebb direction, depth, and major-axis velocity.

Words and phrases with a meaning similar to a given word via the keyless Datamuse API. Returns ranked results with relevance scores and part-of-speech tags. For AI agents expanding concepts,…

Search US tax-exempt nonprofit organizations by name or keyword. Returns EIN, name, city, state, and NTEE classification from the IRS Exempt Organizations Business Master File via ProPublica…

Retrieve a full US nonprofit organization profile by EIN (Employer Identification Number). Returns address, subsection code, ruling date, asset/income codes, and recent IRS filing summaries from…

Retrieve details for a single US federal agency by its Federal Register slug. Returns agency name, description, parent and child agencies, and short name from the official Federal Register API.

List documents currently on public inspection at the US Federal Register, available before official publication. Returns titles, agencies, document numbers, and filing details from the official…

List recent US Federal Register documents filtered by type (PRORULE proposed rule, RULE final rule, NOTICE, PRESDOCU presidential document). Returns titles, document numbers, agencies, and…

List all model years available in the US EPA/DOE FuelEconomy.gov vehicle fuel-economy database. Returns each year as a selectable menu value. Keyless source for building vehicle MPG lookups.

List all vehicle models for a given model year and make in the US EPA/DOE FuelEconomy.gov database. Returns each model as a selectable menu value. Keyless source for vehicle MPG lookups.

Search games by title and get the cheapest current price plus a deal link for each match. Keyless CheapShark game lookup.