Swiss Ephemeris — Free Tier Included

    Free Vedic & Western Astrology API — Birth Chart, Kundali, Horoscope

    Get complete birth chart calculations, kundali matching, dasha periods, yoga detection, and SVG charts through a single REST API. Swiss Ephemeris precision. 21 languages. 75ms latency. No SDK lock-in.

    🔑 Instantly authenticated via RapidAPI. Free tier included.

    99.9%

    Uptime SLA

    <200ms

    Global Latency

    21

    Native Languages

    POST/api/v1/kundali200 OK75ms2.4KB
    {
      "success": true,
      "data": {
        "ascendant": {
          "signName": "Scorpio",
          "nakshatra": "Anuradha",
          "degree": 14.25,
          "nakshatraPada": 2
        },
        "planets": [
          { "planet": 0, "signName": "Taurus", "degreeInSign": 22.45, "house": 7, "nakshatra": "Rohini", "isRetrograde": false, "dignity": "Exalted" },
          { "planet": 1, "signName": "Cancer", "degreeInSign": 5.12, "house": 9, "nakshatra": "Pushya", "isRetrograde": false, "dignity": "Own Sign" },
          { "planet": 4, "signName": "Sagittarius", "degreeInSign": 18.34, "house": 1, "nakshatra": "Purva Ashadha", "isRetrograde": true, "dignity": "Own Sign" }
        ],
        "yogas": [
          { "name": "Gaja Kesari Yoga", "strength": 85, "isBenefic": true },
          { "name": "Budhaditya Yoga", "strength": 72, "isBenefic": true }
        ],
        "panchanga": {
          "tithi": { "name": "Dvitiya", "paksha": "Shukla" },
          "nakshatra": { "name": "Anuradha" },
          "vara": { "name": "Monday" },
          "yoga": { "name": "Vishkumbha" },
          "karana": { "name": "Bava" }
        },
        "ayanamsa": 23.72,
        "ashtakavarga": { "total": 337 }
      }
    }
    Core Capabilities

    Why Developers Choose AstroAsk

    A free vedic astrology API and western astrology API that prioritizes Swiss Ephemeris accuracy, clean REST + JSON payloads, and seamless developer onboarding.

    Swiss Ephemeris Accuracy

    Sub-Arcsecond Birth Chart Precision

    Every vedic astrology and western astrology calculation runs on the actual Swiss Ephemeris with NASA JPL astronomical tables. No simplified formulas, no drift-prone coordinates — the same engine used by astro.com and Solar Fire.

    r=1.042 AUθ=224.25°Z-Axis
    Single API Call

    Vedic + Western in One Request

    Stop chaining 8 different astrology API endpoints. Get kundali, dasha periods, yoga detection, panchanga, compatibility matching, and western natal chart data in a single unified REST response.

    POST/v1/astrology/unified
    Vedic
    Western
    Dashas
    Muhurta
    Visual Charts

    SVG Birth Chart Generation

    Get publication-ready astrology chart images as SVG. North Indian style for vedic kundali charts, circular wheel for western natal charts. Custom themes, dark mode, and glyph rendering — no frontend chart library needed.

    SVG OUTPUT OPTIONSREADY TO RENDER

    "format": "svg"

    "theme": "dark"

    "planetRenderMode": "glyph"

    21 Languages

    Multilingual Astrology API

    Translate birth chart calculations, yoga interpretations, dasha periods, and panchanga data natively in 21 languages. Hindi, Tamil, Telugu, Spanish, Arabic, Japanese, and more — pass one `lang` parameter, get fully localized responses.

    English (en)
    Español (es)
    हिन्दी (hi)
    தமிழ் (ta)
    العربية (ar)
    日本語 (ja)
    Interactive Sandbox

    See the Payload in Action

    Configure birth details below and explore the high-fidelity JSON structure. You can also view our public Western Calculators and Vedic Calculators to see these computations rendered visually in real-world consumer interfaces.

    Birth Configuration

    CONFIG_EDITOR

    Want to make actual API calls? Test live on the RapidAPI Console

    RESPONSE SANDBOX
    {
      "status": "success",
      "data": {
        "ascendant": {
          "signName": "Scorpio",
          "nakshatra": "Anuradha"
        }
      }
    }
    Target Verticals

    What You Can Build With This Astrology API

    From birth chart calculators to kundali matching apps to AI astrologer chatbots — AstroAsk powers every astrology use case through a single REST API.

    CONVERSATIONAL AI

    1. AI Astrologers & Spiritual Advisors

    Integrate conversational models with solid astronomical calculations. Build accurate chatbot advisors that offer context-aware and deeply personalized counsel.

    No Hallucinations

    Directly pass the structured birth chart JSON to models like GPT-4 or Claude. Planets, houses, yogas, and dasha periods come pre-calculated — no coordinate math for the LLM to get wrong.

    Dynamic Interpretation

    Interpret complex Dasha timelines and Nakshatra placements natively without writing custom text parsers.

    AstroChat Agent V1
    CONNECTED
    What does my current planetary period say about my career?
    You are currently in a highly beneficial Jupiter-Saturn Dasha. This period signifies structured professional growth, disciplined execution, and spiritual maturity. Focus on long-term foundations.
    Model: Claude-3.5-SonnetLatency: 320ms
    👩
    Aria (Leo)
    ❤️
    94%
    👦
    Liam (Aries)
    Ashtakoot Match: 29 / 36 (High Compatibility)
    5/6
    Mental (Gana)
    8/8
    Health (Nadi)
    7/7
    Emotional (Bhakoot)
    MATCHMAKING & SOCIAL

    2. Matchmaking & Relationship Apps

    Embed authentic calculations inside modern swipe apps. Drive monetization, subscription signups, and dating engagement scores through native compatibility charts.

    Ashtakoot Compatibility

    Compute classical Vedic 36-point compatibility grids, covering Nadi, Gana, and Bhakoot metrics in microseconds.

    Western Synastry

    Expose planetary aspects (Trines, Conjunctions, Oppositions) between two natal coordinate systems instantly.