Western Astrology

Best Western Astrology API for Developers 2025

Build natal charts, synastry compatibility, transits, and zodiac predictions. Copy-paste code examples. 5-minute integration.

Why Choose Vedika for Western Astrology?

Building Western astrology apps in 2025? You need an API that handles the complexity of natal charts, house systems, aspects, and synastry - without forcing you to learn astronomical calculations.

Vedika API offers 300+ calculations including full Western astrology support:

Quick Start: Get a Natal Chart in 30 Seconds

Python
import requests

response = requests.post(
    "https://api.vedika.io/v1/query",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "query": "Calculate natal chart for person born March 15, 1990 at 2:30 PM in New York City. Use Placidus house system.",
        "system": "western"
    }
)

chart = response.json()
print(chart["sun_sign"])      # "Pisces"
print(chart["moon_sign"])     # "Taurus"
print(chart["rising_sign"])   # "Cancer"
print(chart["house_system"])  # "Placidus"

That's it. One endpoint. Natural language. No need to convert coordinates, calculate Julian dates, or understand ephemeris data. The AI understands what you want.

Western Astrology Features

Natal Charts

Complete birth charts with all planets, houses, and aspects. Multiple house systems supported.

Synastry

Relationship compatibility comparing two natal charts. Aspect analysis and compatibility scores.

Transits

Current planetary positions and their impact on your natal chart. Daily, weekly, monthly forecasts.

Aspects

All major and minor aspects. Orbs configuration. Aspect patterns like grand trines, T-squares.

Synastry Example: Relationship Compatibility

JavaScript
const response = await fetch("https://api.vedika.io/v1/query", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    query: `Compare compatibility between:
      Person A: Born Jan 5, 1988, 10:30 AM, Los Angeles
      Person B: Born Aug 22, 1990, 3:45 PM, Chicago
      Show synastry aspects and compatibility score.`,
    system: "western"
  })
});

const synastry = await response.json();
console.log(synastry.compatibility_score);  // 78
console.log(synastry.strongest_aspects);    // ["Venus trine Mars", "Moon conjunct Venus"]
console.log(synastry.challenges);           // ["Sun square Saturn"]

House Systems Supported

System Description Best For
placidus Most popular in Western astrology General use, horoscopes
koch German school preference Psychological astrology
whole_sign Traditional Hellenistic method Classical interpretations
equal Equal 30-degree houses Simplicity, beginners
campanus Space-based division Spatial relationships

Vedika vs Other Western Astrology APIs

Feature Vedika AstroAPI AstrologyAPI
AI Chatbot Yes No No
Natural Language Yes - ask in plain English Endpoint-based Endpoint-based
Both Vedic & Western Yes Western only Western focus
FREE Sandbox Unlimited testing 100 calls/mo Limited
Starting Price $12/mo $29/mo $19/mo

Get Started in 5 Minutes

  1. Try the FREE Sandbox - Test all features without an API key at api.vedika.io/sandbox
  2. Sign up for production - Get your API key from the Dashboard
  3. Copy the code above - Replace YOUR_API_KEY and you're live

Ready to Build Your Western Astrology App?

Join 500+ developers using Vedika for horoscope apps, dating platforms, and lifestyle services.