openephemeris-api-reference

You can calculate a natal chart by providing birth date, time, and location to the API endpoints powered by NASA JPL DE440 data, which ensures high-precision planetary positions without manual calculations.

The API provides 118 endpoints for astronomical computations including astrocartography (ACG), planetary transits, synastry, and predictive astrology, all driven by standardized location and timezone data handling.

Yes, the API is designed for professional and research applications, facilitating complex chart generation, transit analysis, and location-based celestial mapping with zero-hallucination results through strict endpoint schemas.

Yes, full functionality requires adherence to specific endpoint schemas and tier-gated access protocols to retrieve high-precision astronomical and astrological computation data across all 118 available endpoints.

Use the standardized procedures for location, timezone, and birth data handling provided by the API to ensure accurate synastry chart generation and zero-hallucination results in your workflow integration.

Standardized timezone and location procedures are required to ensure zero-hallucination results when performing location-based celestial mapping, as precise coordinates and times are essential for accurate JPL DE440 ephemeris calculations.