Vibe Springs x402 REST usage
Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
0.002 USDC per call
per call
Astronomy
20 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Maha Celestial Calculations x402 REST usage
Build an astronomy or astrology tool with seven classical-body geocentric longitudes at one UTC instant, Tropical and versioned Lahiri Sidereal frames, conventions and a deterministic receipt. Public or synthetic inputs...
0.02 USDC per call
per call
Moon phase x402 REST usage
Moon phase name, illuminated percentage and age in days for any date, plus the next new and full moon (UTC). Computed locally from the mean synodic month. Use for calendars and night-sky planning.
0.01 USDC per call
per call
Sunrise sunset times, day length x402 REST usage
Sunrise sunset times, day length. Sunrise, sunset, solar noon, civil dawn and dusk (UTC) and day length for any place and date, computed with the standard solar equations; handles polar day and night. No outside service....
0.01 USDC per call
per call
Moon phase | Vextorium x402 REST usage
Moon phase on a date: name, illuminated percentage, lunar age and the next new and full moon dates. Local astronomical calculation.
0.003 USDC per call
per call
Sunrise, sunset & twilight x402 REST usage
Sunrise, sunset, solar noon, day length and civil, nautical and astronomical twilight for coordinates and a date, in local time (zone detected from coordinates). Local astronomical calculation; handles polar night and mi...
0.003 USDC per call
per call
opendata402 x402 REST usage
Official monthly inflation (HICP, annual rate of change, all items) for EU countries, the euro area and the EU from Eurostat. Give a country code (NL, DE, FR, EA20, EU27_2020) and the number of recent months. Use it for...
0.001 USDC per call
per call
Sunrise, Sunset & Moon x402 REST usage
Sunrise, sunset, solar noon, day length, sun elevation, moonrise, moonset, moon phase and illumination for any place (name or coordinates) and date. Use for photography, prayer and event planning, solar or outdoor work.
0.003 USDC per call
per call
Saylor Innovations Kinematics S x402 REST
Solve constant-acceleration motion from any three of u, v, a, t, s
0.01 USDC per call
per call
Saylor Innovations Orbital Mech x402 REST
Orbital speed, period, escape velocity and Hohmann transfer delta-v between circular orbits
0.01 USDC per call
per call
Saylor Innovations Collision Ca x402 REST
Velocities after a 1D collision with restitution, momentum, energy lost and impact force
0.01 USDC per call
per call
Saylor Innovations Telescope Ca x402 REST
Telescope magnification, exit pupil, field of view, limiting magnitude, resolution and camera image scale
0.01 USDC per call
per call
Saylor Innovations Heat Calcula x402 REST
Heat to warm, melt or boil a mass, final temperature of mixtures, heater time and wall conduction
0.01 USDC per call
per call
Saylor Innovations Waves and So x402 REST
Sound speed, wavelength, Doppler shift, decibel addition, distance attenuation and echo distance
0.01 USDC per call
per call
Saylor Innovations Special Rela x402 REST
Gamma factor, time dilation, length contraction, relativistic energy and velocity addition
0.01 USDC per call
per call
Saylor Innovations Stellar Calc x402 REST
Stellar distance, distance modulus, luminosity, radius, spectral class and lifetime
0.01 USDC per call
per call
Saylor Innovations Fluid Flow: x402 REST
Pipe velocity, Reynolds number, friction, pressure drop, pump power, Torricelli speed and buoyancy
0.01 USDC per call
per call
free-books-astronomy x402 REST
Free public-domain books on "Astronomy": the catalogue's works tagged with that Library of Congress subject (100 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct d...
no price published
sunrise-sunset x402 REST
Sunrise, sunset, solar noon, day length, civil twilight and golden hours for today at any place (computed from coordinates, no external data beyond geocoding). Photography, scheduling and energy planning. $0.01 per looku...
0.01 USDC per call
per call
orbit Geo & Time x402 REST
Weather now + 7-day forecast, $0.001 USDC per call: Weather for any point on Earth from MET Norway (Norwegian Meteorological Institute): current temperature °C, wind m/s + direction, humidity, cloud %, pressure, conditio...
0.001 USDC per call
per call