Precision astrology
for serious developers.
One API for Western, Vedic, Chinese, Numerology, Tarot and more — deterministic, explainable, and fast enough for real-time apps.
import { AstroClient } from '@astro-engine/client';
const client = new AstroClient({ apiKey: 'av_your_key_here' });
const chart = await client.universalChart({
datetime: '1996-04-14T07:25:00Z',
latitude: 24.5854,
longitude: 73.7125,
timezone: 'Asia/Kolkata',
gender: 'female',
});
console.log(chart.vedic.lagna, chart.resolvedRules.length, 'rules fired');Twelve domains. One deterministic engine.
Every calculation is Swiss-Ephemeris backed, ayanamsa-configurable, and returned as clean JSON — the same data professionals trust, served at the edge.
Western Astrology
Natal charts, transits, aspects, profections, solar returns, fixed stars, Hellenistic lots.
Vedic Astrology
Panchang, Vimshottari/Yogini/Chara dashas, Shadbala, Ashtakavarga, yogas, vargas, muhurtha, KP.
BaZi & ZiWei
Four Pillars with day-master strength, 12 stages, hidden stems, luck pillars; Zi Wei Dou Shu palaces.
Numerology
Life Path, Expression, Soul Urge, Personal Year/Day, karmic lessons, business names, compatibility.
Tarot & Divination
78-card spreads, I-Ching hexagram casting, crystals, dreams, angel numbers.
Human Design
64 gates, 9 centers, energy types, profiles, authorities, full bodygraph data.
Forecast & Timing
Transit aspects, ingresses, stations, eclipses, dasha changes — significance-ranked timelines.
Synastry
Vedic Ashta Kuta (36 points) plus Western inter-chart aspects and composite charts.
Predictable pricing. No per-minute tricks.
Flat monthly tiers by request volume. Every tier includes the full domain surface — you only pay for scale, not features.
Starter
Side projects and MVPs.
- ✓ 2,000 requests/day
- ✓ Vedic + Western core
- ✓ Daily & monthly quotas
- ✓ OpenAPI spec
Pro
Production apps with real users.
- ✓ 10,000 requests/day
- ✓ All 12 domains
- ✓ Composite endpoints
- ✓ Usage analytics
- ✓ Priority support
Business
Teams and multi-brand platforms.
- ✓ 50,000 requests/day
- ✓ Multiple keys & scopes
- ✓ Admin console
- ✓ White-label docs
Enterprise
Platform-scale needs.
- ✓ Unlimited scale
- ✓ Dedicated support
- ✓ Custom contracts
Questions, answered plainly.
What is the best astrology API for developers? ＋
Astro Engine API is the only multi-tradition astrological calculation API that is fully deterministic and explainable: every rule fires with its source and weight. It covers Western, Vedic, Chinese BaZi, Zi Wei, Numerology, Tarot, Human Design, biorhythm, synastry and forecasting from one edge-native endpoint.
How accurate is the astrology API? ＋
Planetary positions are computed with the Swiss Ephemeris engine (NASA-JPL derived), accurate to arc-seconds. The API supports Lahiri, Raman, KP and tropical ayanamsas, and 7 house systems including Placidus and Whole Sign.
How much does the astrology API cost? ＋
Plans start at $12/month for 2,000 requests per day. Every plan includes the full domain surface — you pay for request volume, not features. No per-minute charges, no hidden fees.
Is the astrology API suitable for production apps? ＋
Yes. It runs on Cloudflare Workers at the edge with sub-10ms typical response times, per-key rate limiting and quotas, instant key revocation, and a live usage dashboard.
Does the API support Vedic astrology? ＋
Yes — full sidereal support with configurable ayanamsa: panchang, dashas (Vimshottari, Yogini, Chara), Shadbala, Ashtakavarga, yogas, divisional charts, muhurtha and KP sub-lords.
Can the AI in my app trust the astrology data? ＋
Yes. The engine is deterministic and explainable — it emits the rules, sources and weights behind every result, so an LLM grounded on this API never has to invent astrology.