B2B API SERVICE

Boosting HR & Marketing Efficiency with
AI Behavioral Analysis API

From assessing candidate fit and optimizing team placement to segmenting customer behavior.
Simply input your company's requirements, and our AI will instantly analyze them,
returning practical insights in JSON format that you can use right away.

🔑 Request an API Key 📖 View API Documentation

FEATURES

Why is it essential for HR and Marketing teams?

🎯
Customized Analysis
Directly input your company's specific needs. HR teams can focus on job aptitude and teamwork styles, marketing teams on customer segmentation and consumption patterns, and healthcare industries on wellness points—request the analysis you want, freely.
⚡
Instant Returns
Results are returned instantly in JSON format upon API call. From Four Pillars of Destiny (saju) calculations to Gemini AI analysis, completion typically takes within 3-5 seconds.
💳
30-Day Prepaid Plans
Buy a plan and make a set number of calls over 30 days. Nothing renews automatically — buy again within the period and your unused calls carry over.
🔒
Enterprise API Key
A unique API key is issued for each company. The usage API shows your plan, calls remaining, period end and call history.
📊
Rich Analysis Data
Provides structured data including Five Elements ratios, Yin-Yang tendencies, Day Master Heavenly Stems, Twelve Earthly Branches temperaments, custom analysis items, recommendations, and precautions.
🌐
Easy Integration
REST API allows integration with any language. Use it in any environment capable of HTTP requests, such as Python, JavaScript, Java, PHP, and more.

PRICING

Plans & Pricing

30-day prepaid plans · no auto-renewal · unused calls carry over when you buy again.

Plan Price Calls Best for
Starter $500 1,000 Pilots & evaluation
Basic $1,000 2,000 Everyday production
Premium $3,000 6,000 High volume
· One call = one basic analysis. When requirements exceed 100 characters, each extra 100 characters uses 0.2 calls.
· When you run out of calls, requests pause until your next purchase — no overage charges.
· Buying again within the period adds 30 days after your current end date and carries over your unused calls.
· Refunds: full refund within 14 days if unused; otherwise (price − used share) × 90%. Cancellation & refund request
· Payment is in USD via PayPal. For bank transfer or invoicing, email bujasaju.net@gmail.com.

💳 Buy a Plan

Verify your API key, then choose a plan. You'll pay with your signed-in account, and the plan is applied to this key as soon as payment completes.

HOW IT WORKS

How to Use

STEP 1
Request an API Key
→
STEP 2
Buy a Plan
→
STEP 3
API Call
→
STEP 4
Receive Result
→
STEP 5
Apply Service

API DOCS

API Documentation

Endpoint
POST https://bujasaju.net/api/personality/analyze Content-Type: application/json
Request Body (JSON)
{ "api_key": "bsaju_your_api_key_here", // Required - Your issued API key "name": "Hong Gil-dong", // Required - Customer Name "birth": "1990-03-15", // Required - Date of Birth (YYYY-MM-DD) "gender": "Male", // Required - Male or Female "requirements": "Please analyze spending habits and preference for luxury goods.", // Required - Analysis requirements "lang": "en", // Recommended - Response language (en, ja, zh, es, ko; default: ko) "birth_hour": "Osi (11 AM ~ 1 PM)", // Optional - Time of Birth (Default: Unknown) "cal_type": "Solar", // Optional - Solar/Lunar (Default: Solar) "birth_city": "Seoul" // Optional - Place of Birth (Default: Seoul) }
💡 requirementsExample Requests:
· Shopping Mall: "Please analyze this customer's spending habits, luxury brand preference, price sensitivity, and impulse buying tendencies."
· Hospital/Healthcare: "Please analyze this person's health vulnerabilities, stress response mechanisms, and lifestyle habits."
· HR/Recruitment: "Please analyze this person's top 5 career aptitudes, leadership style, teamwork tendencies, and optimal work environment."
· Finance/Investment: "Please analyze this person's investment tendencies, risk tolerance, wealth management style, and suitable financial products."
subject
Basic Information of Analysis Subject (Name, Date of Birth, Gender, Time)
saju_basics.ohang
Five-Factor Disposition Distribution (Five Elements: Metal/Wood/Water/Fire/Earth)
saju_basics.umyang
Polarity Index (Yang/Yin — extraversion/introversion tendency)
saju_basics.ilgan
Core Temperament Type (Day Master — 1 of 10 base types)
saju_basics.twelve_animal
Birth-Cohort Classification (12 Zodiac-based Groups)
saju_basics.summary
Disposition Profile Summary Text
analysis
Custom Disposition Metrics based on Requirements (Dynamically Generated)
recommendations
Data-Driven Behavioral Recommendations (3-5 items)
cautions
Risk Factor Array (2-4 items)
credits_used
Usage consumed by this call (500 = one call)
calls_remaining
Calls left in the current period (base calls). plan_id, period_end and quota_remaining are also returned
status
success / error
Response Example
{ "status": "success", "data": { "subject": { "name": Hong Gildong, "birth": "1990-03-15", ... }, "saju_basics": { "ohang": { Metal: 2, Wood: 1, Water: 1, Fire: 3, Earth: 1 }, "umyang": Yang, "ilgan": Ren (Yang Water), "twelve_animal": Horse (Wu), "summary": A dynamic temperament with inclusiveness and wisdom... }, "analysis": { Overall Spending Tendencies: A spending pattern where rationality and impulsiveness coexist..., Luxury Brand Preference: Interest in brands that reflect social status..., Impulsive Buying Tendency: Tendency for spontaneous spending due to Fire (火) energy... }, "recommendations": [Develop a budget plan, Apply the 24-hour rule, ...], "cautions": [Be wary of conspicuous consumption, Beware of impulsive purchases] }, "credits_used": 500, "calls_remaining": 999, "period_end": "2026-10-26 12:00:00" }
Python Example
import requests API_KEY = "bsaju_your_api_key_here" URL = "https://bujasaju.net/api/personality/analyze" payload = { "api_key": API_KEY, "name": Hong Gildong, "birth": "1990-03-15", "gender": Male, "requirements": Please analyze my spending habits and luxury brand preferences., "birth_hour": Wu Shi (11 AM - 1 PM), # Select "birth_city": Seoul # Select } response = requests.post(URL, json=payload) result = response.json() if result["status"] == "success": data = result["data"] print(Saju Basics:, data["saju_basics"]["summary"]) print(Analysis Result:, data["analysis"]) print(Recommendations:, data["recommendations"]) print("Calls left:", result["calls_remaining"]) print("Period ends:", result["period_end"])
JavaScript (fetch) Example
const API_KEY = 'bsaju_your_api_key_here'; const URL = 'https://bujasaju.net/api/personality/analyze'; const payload = { api_key: API_KEY, name: 'Hong Gildong', birth: '1990-03-15', gender: 'Male', requirements: 'Please analyze my spending habits and luxury brand preferences.', birth_hour: 'Wu Shi (11 AM - 1 PM)', // Select birth_city: 'Seoul' // Selected }; const response = await fetch(URL, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) }); const result = await response.json(); if (result.status === 'success') { const { data, calls_remaining, period_end } = result; console.log('Four Pillars of Destiny (Saju) Basics:', data.saju_basics.summary); console.log('Analysis Results:', data.analysis); console.log('Recommendations:', data.recommendations); console.log(`Calls left: ${calls_remaining} / Period ends: ${period_end}`); }
Usage Inquiry API
GET https://bujasaju.net/api/personality/usage?api_key=bsaju_your_key
Response Example
{ "status": "ok", "company": "Test Company", "plan_id": "api_starter", "period_end": "2026-10-26 12:00:00", "calls_remaining": 999, "quota_remaining": 499500, "credits_total_used": 500, "recent_logs": [ { "credits_used": 500, "requirements_summary": "Spending habits and luxury brand preferences...", "status": "success", "created_at": "2026-07-01 21:00:00" } ] }

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Then buy a plan above (Buy a Plan) to start making calls.

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