{"service":"Ephemeris API","version":"3.2.0","api_version":"v1","description":"High-precision astronomical calculations using Swiss Ephemeris with house systems support, stationary events tracking, and horary astrology mode","endpoints":{"health":"/health","all_objects":"/v1/all-objects","planet":"/v1/planet/{planet_name}","batch_planet":"/v1/planet/{planet_name}/batch","houses":"/v1/houses","stationary_events":{"single_planet":"/v1/stationary-events/planet/{planet_name}","all_planets":"/v1/stationary-events/all","post_method":"/v1/stationary-events"},"solar_return":"/v1/solar-return"},"deprecation_notice":"Unversioned paths (e.g. /all-objects) still respond but return a `Deprecation: true` header and a `Sunset: Wed, 31 Dec 2026 23:59:59 GMT` header. Migrate clients to /v1/* before the sunset date.","features":{"speed_calculation":"Uses real-time instantaneous speeds from Swiss Ephemeris","motion_status":"Determined using current instantaneous speeds for maximum accuracy","stationary_events":"Track when planets change between direct and retrograde motion","batch_calculations":"Calculate planet positions across multiple dates in a single request","horary_mode":"Traditional horary astrology mode (Mercury, Venus, Mars, Jupiter, Saturn only)","astronomical_mode":"Complete astronomical mode (all retrograde-capable objects)","coordinate_system":"Supports both geocentric and topocentric calculations","house_systems":"Multiple house systems including Placidus (default), Koch, Equal House, Whole Sign, etc."},"house_systems":{"available":["placidus","koch","porphyrius","regiomontanus","campanus","equal","whole_sign","alcabitus","morinus","topocentric"],"default":"placidus"},"retrograde_planets":{"horary":["mercury","venus","mars","jupiter","saturn"],"all":["mercury","venus","mars","jupiter","saturn","uranus","neptune","pluto","chiron","north_node"]},"coordinate_systems":{"geocentric":"Earth-centered calculations (default when no location provided)","topocentric":"Observer-specific calculations accounting for Earth's rotation and elevation"}}