Take a personality assessment via the SoulTrace API. Use when the user wants to take a personality test, discover their psychological archetype, understand their personality traits, or get a color-based personality profile. The API uses a 5-color psychological model (White=structure, Blue=understanding, Black=agency, Red=intensity, Green=connection) with Bayesian adaptive question selection to classify users into one of 25 archetypes. Triggers on: personality test, personality assessment, what's my personality, take a quiz, archetype test, color personality, soultrace.
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Step 2
Check source and behavior
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Step 3
Overview
# SoulTrace Personality Assessment
Take an adaptive personality assessment through the [soultrace](https://soultrace.app/?utm_source=skills.sh&utm_medium=referral&utm_campaign=skills) API. Answer 24 questions on a 1-7 Likert scale and receive your personality archetype based on a 5-color psychological model.
API Endpoint
```
POST https://soultrace.app/api/agent
```
No authentication required. Rate limited to 100 requests/hour per IP.
How It Works
The API is **stateless**. You pass all accumulated answers with every request, and the server replays the Bayesian inference to select the next optimal question.
Step 1: Start the test
Send an empty answers array to get the first question:
```bash
curl -X POST https://soultrace.app/api/agent \
-H "Content-Type: application/json" \
-d '{"answers": []}'
```
Response:
```json
{
"status": "in_progress",
"question": {
"id": 42,
"text": "I find deep satisfaction in mastering complex systems."
},
"currentDistribution": {
"white": 0.2,
"blue": 0.2,
"black": 0.2,
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