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BaZi API Developer Documentation

Welcome to the official developer documentation for BaZi API — the high-precision Four Pillars (BaZi / 八字) calculation engine. Build applications, AI conversational agents, daily calendar automations, and compatibility workflows with sub-500ms response times and True Solar Time accuracy.

Instant Quickstart Request

Full API Reference

Send your first POST request to calculate the Four Pillars, Day Master, Ten Gods, and Five Elements distribution:

cURL Quickstart

Bash

curl -X POST https://api.baziapi.pro/api/v2/bazi/calculate \
  -H "x-api-key: bazi_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "birthDate": "1995-10-24",
    "birthTime": "08:15",
    "gender": "male",
    "timezone": "America/New_York",
    "language": "en"
  }'

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Getting Started

REST API Reference

Official SDKs

AI Agents & LLM Tools

Embeddable UI Widgets

No-Code Automations

Mobile App SDKs

Calculation Accuracy & Integrity

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