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Janam Kundli API

What is a Janam Kundli API?

A Janam Kundli API returns the birth chart used in North and South Indian practice: the lagna rasi, the placement of each graha by rasi and bhava, the janma nakshatra and pada, and the running mahadasha. Vedic Proof computes it sidereally with Lahiri ayanamsa and whole-sign bhavas.

Request

Tools are called over MCP, so an assistant connected to https://vedicproof.com/mcp invokes get_vedic_kundli itself. The arguments it sends are:

tool · get_vedic_kundli
{
  "date_of_birth": "1994-01-19",
  "time_of_birth": "05:22",
  "city": "Kochi",
  "country": "India",
  "name": "Aarav"
}

Response

Every response carries a plain-language summary string plus structured data, and states the engine and ayanamsa it used. Abridged here for length.

result · json
{
  "summary": "Aarav: Kochi, India, 1994-01-19 05:22 (UTC+5.5). Lagna Dhanu…",
  "birth": { "place": "Kochi, India", "latitude": 9.9312, "longitude": 76.2673, "timezone": "Asia/Kolkata", "utc_offset_hours": 5.5 },
  "notable_placements": ["Moon in Kumbha with Saturn - Shani-Chandra combination"],
  "houses": [ { "house": 1, "rasi": "Dhanu", "lord": "Jupiter" } ]
}

How is this calculated and verified?

These are the pinned parameters that affect this computation. The full disclosure, and the golden-chart corpus, live on /proof.

AyanamsaLahiri (Chitrapaksha), mean
Single supported system today, computed as a polynomial in Julian centuries from J2000 rather than read from a table. True-Chitra, KP-Newcomb and Raman are not offered; that is a limitation, not a default we are hiding.
House systemWhole sign (rasi bhava)
The lagna rasi is the first bhava in full; every graha's house is its rasi counted from the lagna rasi. Placidus, Sripati and KP cusps are not offered.
Time handlingIANA tzdata via the host Intl database, DST-aware
Offsets are resolved for the birth instant, not for today, so historical DST rules apply wherever the host tzdata carries them. There is no Local Mean Time fallback for births before standard time: a pre-standard-time birth is treated as standard offset. An unknown birth time defaults to 12:00 local and the response flags time_assumed: true and states that the lagna is unreliable.

Common questions

Is Janam Kundli different from a birth chart?
No - Janam Kundli, Janma Kundli and Vedic birth chart name the same object. The spelling differs by region; the computation does not.
Which house system is used?
Whole sign bhava. The lagna rasi is the whole first house, and each graha's house is its rasi counted from the lagna.
Are doshas detected?
Notable placements including Manglik-relevant Mars positions and Shani combinations are flagged. A dedicated dosha tool is not yet published, so we do not list one.

Connect this to Claude or ChatGPT with one URL: https://vedicproof.com/mcp. First 14 days unlimited and free, then $1.99/month.

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Related computations

all computations in docs →