A commercial-grade API for astronomical computation and geographic reference data. Built on Skyfield, designed for developers.
What's available
Astronomical computation API powered by Skyfield. Access planetary positions, solar and lunar events, rise and set times, moon phases, and sky data for any location and date.
Geographic reference API backed by GeoNames and PostGIS. Query cities, regions, countries, continents, timezones, and languages with powerful spatial filtering and autocomplete support.