---
title: "Kyusei Kigaku (九星気学)"
method: GET
path: "/api/trpc/japanese.kyuseiKigaku"
tags: ["Japanese"]
---

# Kyusei Kigaku (九星気学)

`GET /api/trpc/japanese.kyuseiKigaku`

## Request

- Base URL: `https://api.asktian.com`
- URL: `https://api.asktian.com/api/trpc/japanese.kyuseiKigaku`
- Auth: HTTP bearer

Nine Star Ki — Japan's most popular birth-chart astrology system. Derives three stars (Honmei-sei, Getsumei-sei, Ninnei-sei) from birth date, maps them to the 9 Ki stars, and returns element, trigram, auspicious directions, compatible stars, and a 2026 year fortune.

Cost: 5 TIAN Points per call. tRPC procedure `japanese.kyuseiKigaku`.

## Query parameters

- `input` string

## Response `200`

tRPC result envelope

- TrpcResult: tRPC HTTP response envelope.
  - `result` object
    - `data` object: The procedure's return value (system-specific).

---

[API](https://skmtc.dev/asktian/apis/asktian-metaphysics-api.md) · [All operations](https://skmtc.dev/asktian/apis/asktian-metaphysics-api/llms.txt) · [OpenAPI document](https://skmtc.dev/asktian/apis/asktian-metaphysics-api/revisions/3c8fdc979206?raw)