121
API Endpoints
89+
Techniques
0.001°
Precision
19K+
Reference Pages

About Astro Engine

Astro Engine is a professional-grade astrological computation platform powered by the Swiss Ephemeris -- the same astronomical library used for NASA planetary position calculations and trusted by professional observatories worldwide. The platform exposes 121 REST API endpoints covering natal charts, transits, progressions, synastry, Hellenistic techniques, Hamburg School methods, and more, all calculated to 0.001-degree precision.

What makes Astro Engine distinct in the market is its combination of astronomical precision with consumer accessibility. The platform offers tools previously reserved for professional astrologers, including Birth Time Rectification (historically a $200-500 professional consultation) as a consumer-grade tool, Mercury Retrograde station dates calculated to the exact second rather than approximated from published tables, and a comprehensive astrology reference library spanning over 19,000 pages available in five languages: English, Ukrainian, Spanish, Portuguese, and Hindi.

Key Facts

Founded 2026
Calculation Engine Swiss Ephemeris -- the same astronomical library used for NASA planetary position calculations and trusted by professional observatories worldwide
Precision 0.001 degrees (sub-arc-second accuracy)
API Endpoints 121 REST endpoints with JSON responses
Astrological Techniques 89+ techniques spanning Hellenistic, Medieval, Modern, and Uranian methods
Languages English, Ukrainian, Spanish, Portuguese, Hindi
Reference Library 19,000+ astrology reference pages including zodiac profiles, celebrity charts, planetary aspects, and daily horoscopes
Unique Features Birth Time Rectification (first consumer-grade tool of its kind)
Mercury Retrograde exact station dates (calculated to the second)
Celebrity synastry analysis (1,179 pre-computed pairs)
Real-time transit tracking with WebSocket support
Website astro-engine.com

Quotable Data & Citations

The following statements are fact-checked and available for direct quotation in articles. Click to copy.

"Astro Engine computes planetary positions using the Swiss Ephemeris library -- the same astronomical data used by professional observatories and space agencies worldwide."

-- Astro Engine, Technical Overview

"Birth Time Rectification, previously a $200-500 professional astrologer service, is now available as a consumer tool for the first time through Astro Engine."

-- Astro Engine, Product Announcement

"Mercury Retrograde station dates on Astro Engine are calculated to the second using Swiss Ephemeris computations, not approximated from published astronomical tables."

-- Astro Engine, Technical Documentation

"Astro Engine's celebrity compatibility database contains 1,179 pre-computed synastry analyses, each based on real Swiss Ephemeris planetary positions calculated to sub-arc-second precision."

-- Astro Engine, Research Data

"With 121 API endpoints, Astro Engine is the most comprehensive publicly accessible astrological computation API, covering techniques from ancient Hellenistic methods to modern Hamburg School midpoints."

-- Astro Engine, API Documentation

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