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Build an AstroTalk Alternative: Complete Vedic Astrology API Guide | RoxyAPI Blog

10 min read
•Brajesh Vashisht
vedic-astrologyAPI TutorialKundli AppDeveloper GuideIndian Astrology

Build a full-featured Vedic astrology app with kundli, dasha predictions, Gun Milan, and panchang using the Roxy Vedic Astrology API. Ship in 30 minutes.

TL;DR

  • Build a complete Vedic astrology app with kundli generation, compatibility scoring, dasha predictions, panchang, and dosha detection using a single API key
  • The Roxy Vedic Astrology API covers 30+ endpoints across birth charts, divisional charts, KP astrology, nakshatras, rashis, and the full panchang
  • A developer with zero Vedic astrology background can ship a working kundli app in under 30 minutes
  • Build this with Roxy Vedic Astrology API in 30 minutes

About the author: Brajesh Vashisht has practiced Vedic astrology and Krishnamurti Paddhati for over 22 years, consulting on matrimonial matching, career timing, and muhurta selection for clients across India and internationally.

Building a full Vedic astrology feature set from scratch is a months-long project. You need a reliable ephemeris, Lahiri ayanamsha corrections, nakshatra calculations, Vimshottari dasha sequencing, Gun Milan koota scoring, panchang timing, and KP sub-lord tables. Popular kundli generation apps and leading astrology marketplaces took years to build these systems accurately. As a developer, you do not have that kind of runway. The Vedic Astrology API from Roxy gives you every one of these features as a REST endpoint, or as MCP tools if you are building AI agents, all verified against authoritative sources, all returning structured JSON ready for your frontend. This guide walks you through building the core features of a production-grade kundli app using real API calls.

How to generate a kundli using the Vedic Astrology API

A kundli is the foundation of every Vedic astrology feature. It is a birth chart showing the position of all nine grahas plus the Lagna (ascendant) across 12 houses, calculated with Lahiri ayanamsha corrections and verified against a NASA JPL-validated ephemeris.

To generate a kundli, send a POST request to /birth-chart with the date, time, latitude, longitude, and timezone offset of the birth:

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/birth-chart \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "date": "1990-08-15",
    "time": "10:30:00",
    "latitude": 28.6139,
    "longitude": 77.2090,
    "timezone": 5.5
  }'

The response returns all 12 houses, 9 grahas, and the Lagna, each with nakshatra, pada, sign degree, combustion status, and a plain-language interpretation. You get everything you need to render a kundli wheel or a tabular chart view with a single API call. No ephemeris library to install, no ayanamsha logic to maintain, no timezone edge cases to debug.

Ready to build this? Roxy Vedic Astrology API gives you kundli generation, compatibility scoring, dasha predictions, and panchang in a single API key. See pricing.

How to build a complete free kundli report with three API calls

Top-rated kundli apps in India offer a standard free report covering birth chart, current dasha period, and manglik status. You can replicate this with three sequential API calls. All three use the same birth data payload and the same API key. This three-call sequence is the core of what popular Vedic astrology consultation platforms offer as their free tier, and it takes under a minute to implement.

Call 1: Generate the birth chart

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/birth-chart \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{"date":"1990-08-15","time":"10:30:00","latitude":28.6139,"longitude":77.2090,"timezone":5.5}'

The birth chart response gives you the full kundli: houses, grahas, Lagna, nakshatra, and pada for every planet.

Call 2: Get the current dasha period

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/dasha/current \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{"date":"1990-08-15","time":"10:30:00","latitude":28.6139,"longitude":77.2090,"timezone":5.5}'

This returns the active Mahadasha, Antardasha, and Pratyantardasha with remaining duration and an interpretation. Your user sees their current planetary period and what it signifies.

Call 3: Check manglik status

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/dosha/manglik \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{"date":"1990-08-15","time":"10:30:00","latitude":28.6139,"longitude":77.2090,"timezone":5.5}'

The response includes present (boolean), severity level, effects, and remedies. Three calls, one API key, and your free kundli report is complete. This sequence covers the core features users expect from any serious kundli platform.

How to build a kundli matching feature with Gun Milan scoring

Kundli matching is the most requested feature in Indian matrimonial and astrology apps. The Gun Milan system scores compatibility across eight kootas with a maximum of 36 points. A score above 18 is generally considered compatible.

The /compatibility endpoint handles the full calculation. You pass birth data for both people:

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/compatibility \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "person1": {
      "date": "1990-08-15",
      "time": "10:30:00",
      "latitude": 28.6139,
      "longitude": 77.2090,
      "timezone": 5.5
    },
    "person2": {
      "date": "1992-03-22",
      "time": "07:15:00",
      "latitude": 19.0760,
      "longitude": 72.8777,
      "timezone": 5.5
    }
  }'

The response returns a totalScore out of 36, a percentage, an isCompatible boolean, a recommendation string, dosha cancellation details, and a full breakdown of all eight kootas: Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakut, and Nadi. The koota breakdown is what separates a real matchmaking feature from a basic compatibility score. Your users see exactly where compatibility is strong and where caution is advised. A Nadi score of zero flags a critical incompatibility. A strong Bhakut score signals long-term emotional alignment. This level of detail, available in a single API call, is what popular Vedic astrology consultation platforms offer only through paid human consultants.

How to add dosha detection to your astrology app

Dosha detection is a high-engagement feature. Users actively search for their manglik, Kal Sarpa, and Sade Sati status. Each has its own dedicated endpoint.

The three dosha endpoints share the same request format as the birth chart:

  • POST /dosha/manglik detects Mars placement in houses 1, 4, 7, 8, or 12
  • POST /dosha/kalsarpa checks whether all grahas fall between Rahu and Ketu
  • POST /dosha/sadhesati determines whether Saturn is transiting the Moon sign or adjacent signs

Each response includes a present boolean, a severity field, a human-readable effects description, and a remedies array. You can display dosha cards in your app UI without any Vedic astrology knowledge on your end.

The /dosha/sadhesati endpoint is particularly valuable because Sade Sati status changes as Saturn moves. You can call it with the current date to give users a live status check, or with a future date to show upcoming transitions. Established astrology marketplaces charge for real-time dosha monitoring. With the API, you build it into your free tier.

How to integrate Vimshottari dasha predictions

The Vimshottari dasha system divides a 120-year life span across nine planetary periods. It is the primary prediction tool in Vedic astrology. Users want to know which planet governs their current period and what it means for career, relationships, and health.

The /dasha/current endpoint returns the active Mahadasha, Antardasha (sub-period), and Pratyantardasha (sub-sub-period) with start and end dates, remaining duration, and an interpretation for each level. For a complete lifetime view, use /dasha/major:

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/dasha/major \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{"date":"1990-08-15","time":"10:30:00","latitude":28.6139,"longitude":77.2090,"timezone":5.5}'

This returns all nine Mahadasha periods spanning 120 years from the birth date, each with its start date, end date, and duration. You can render a complete dasha timeline in your app, letting users see past and future planetary periods at a glance. Combine the major dasha timeline with the current period endpoint to show users both where they are and the full road ahead. This dual view is the feature that drives repeat visits to leading kundli generation apps.

How to build a panchang feature for your app

Panchang is the Hindu almanac used for auspicious timing. Users check it daily for Tithi, Nakshatra, Yoga, Karana, Vara, sunrise and sunset, and muhurta recommendations. It is a cornerstone feature for any Indian calendar or astrology app.

The /panchang/detailed endpoint returns the full daily panchang for any location and date:

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/panchang/detailed \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "date": "2026-03-25",
    "time": "06:00:00",
    "latitude": 28.6139,
    "longitude": 77.2090,
    "timezone": 5.5
  }'

The response includes Tithi (lunar day), Nakshatra, Yoga, Karana, Vara (weekday deity), sunrise, sunset, moonrise, moonset, Choghadiya periods, and a list of auspicious muhurtas. All values are calculated for the specific latitude and longitude you pass. This means your app delivers location-accurate panchang to users in Mumbai, Delhi, or anywhere else. The Choghadiya and muhurta data are particularly in demand for wedding planners, business launch tools, and travel apps that serve the Indian market. You get all of this without writing a single line of astronomical calculation code.

How the KP astrology endpoints work for advanced apps

KP astrology (Krishnamurti Paddhati) is an advanced system that extends classical Vedic astrology with sub-lord theory and Placidus house cusps. Professional astrologers use it for precise event timing and prediction.

Popular Vedic astrology consultation platforms offer KP analysis only through human astrologers at premium rates. No major kundli app exposes KP data programmatically to end users. The Roxy Vedic Astrology API changes this.

The /kp/chart endpoint returns a full KP chart with Placidus cusps and sub-lords for all 12 houses and all nine grahas:

curl -X POST https://roxyapi.com/api/v2/vedic-astrology/kp/chart \
  --header "X-API-Key: YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{"date":"1990-08-15","time":"10:30:00","latitude":28.6139,"longitude":77.2090,"timezone":5.5}'

A developer building a KP significator lookup tool, a sub-lord prediction feature, or a KP transit alert system has no API-level competitor. This is a genuine product differentiation opportunity in the Indian astrology market. The API also exposes GET endpoints for all 27 nakshatras and all 12 rashis, returning deity, symbol, gemstone, mantra, and personality traits. See the full endpoint list in the Vedic Astrology API Reference.

Frequently Asked Questions

Q: How do I generate a kundli with an API? A: Send a POST request to the /birth-chart endpoint with the birth date, time, latitude, longitude, and timezone offset. The Roxy Vedic Astrology API returns all 12 houses, 9 grahas, Lagna, nakshatra, pada, combustion status, and plain-language interpretations in a single JSON response.

Q: What is the best Vedic astrology API for developers in 2026? A: The best choice depends on your feature requirements. If you need only basic kundli generation, several single-domain options exist. If you need kundli, Gun Milan, dasha predictions, panchang, dosha detection, KP astrology, divisional charts, and reference data under one API key, Roxy is the only multi-domain provider covering all of these.

Q: How do I build a kundli app without knowing Vedic astrology? A: Use a Vedic astrology API that handles all calculations and returns structured JSON with interpretations. You do not need to understand nakshatra boundaries or ayanamsha corrections. The API returns the calculated values and the plain-language meaning, so you focus on the app interface and user experience.

Q: Is there a kundli matching API for matrimonial apps? A: Yes. The /compatibility endpoint performs the full Gun Milan calculation, returning a total score out of 36, percentage, compatibility recommendation, dosha cancellation, and a breakdown of all eight kootas. This is the standard used by Indian matrimonial platforms.

Q: How accurate is a Vedic astrology API compared to desktop software? A: Accuracy depends on the ephemeris and ayanamsha used. The Roxy Vedic Astrology API uses a NASA JPL-validated ephemeris with Lahiri ayanamsha, the official standard adopted by the Government of India. Planet positions are verified against authoritative sources. The KP chart uses Placidus cusps, which is the correct house system for KP astrology.

Build your Vedic astrology app today

Every feature that popular kundli generation apps built over years is available to you today as a REST endpoint. Kundli generation, Gun Milan scoring, Vimshottari dasha timelines, dosha detection, daily panchang, divisional charts, and KP astrology all work with the same API key and the same request format.

Start with the Roxy Vedic Astrology API and ship your first working kundli feature today. See pricing.