Changelog

2026-04-01

New endpoints: Eclipses, Heliacal Events, Sign Ingresses

• /v1/eclipses/solar — Solar eclipse search, global or at a specific location, with magnitude, obscuration, and contact times (3 credits)
• /v1/eclipses/lunar — Lunar eclipse search with penumbral, partial, and total phase timing (2 credits)
• /v1/heliacal — Heliacal rising and setting of planets using the Schaefer sky brightness model, with configurable atmospheric and observer parameters (3 credits)
• /v1/ingresses — Find when a planet crosses a zodiac sign boundary or any ecliptic longitude, with multi-result and backward search (2 credits)

All new endpoints support count (1–10) for multiple results and backward for reverse-time search.

New documentation: Credits & Pricing concept page, concept pages for Eclipses, Heliacal Events, and Ingresses, plus practical guides for finding eclipses, heliacal events, and tracking ingresses.

2026-03-15

Initial release

• 7 endpoints: positions, houses, chart, stars, ayanamsha, delta-t, sidereal-time
• Support for all planets (Sun–Pluto), lunar nodes, and 6 asteroids
• 22 house systems
• 47 ayanamsha systems
• Fixed star catalog from Swiss Ephemeris
• Extended date range: 13,000 BCE to 16,800 CE
• Free tier: 500 requests/month
• Paid credits: $0.01/request
• Sub-arcsecond accuracy via Swiss Ephemeris data files
• Global edge deployment on Cloudflare Workers