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Personality.fyi

Free MBTI type data and OEJTS test items with scoring

😄 FunUNMONITOREDchecked 1h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Personality.fyi is a no-auth JSON API for the 16 MBTI personality types plus the open-source OEJTS test. Look up a type by its four-letter code to get its name, cognitive style, strengths, and blind spots, or pull test items and scoring. Everything is keyless and CORS-enabled.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
Uptime history
—%90 days
—%30 days
—P50 · ms
—P95 · ms
operationalpartialdownno data
Live response samplecaptured by our last successful check
GET https://personality.fyi/api/v1/types/INTJ

{
  "code": "INTJ",
  "name": "Architect",
  "title": "The Architect",
  "cognitive": "Strategic, systems-level thinking. Builds mental models and long-range plans.",
  "strengths": [
    "Independent",
    "decisive"
  ],
  "url": "https://personality.fyi/type/intj"
}
Call itcurl · fetch · python
curl "https://personality.fyi/api/v1/types/INTJ"
const res = await fetch("https://personality.fyi/api/v1/types/INTJ");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://personality.fyi/api/v1/types/INTJ")
print(res.json())
Endpoints · 6On scheduleFULL DOCS ↗
First rollup pending — GET /types/INTJ has been probed
GET/types/INTJPROBED

Free MBTI type data and OEJTS test items with scoring

GET/types

Types — documented GET route.

GET/types/1

Types details by ID (example: 1).

GET/types?limit=10

Types — documented GET route.

GET/types/search?q=test

Search by query parameters.

GET/

API root or index route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

Personality.fyi: common questions

Is Personality.fyi free to use?

Yes — Personality.fyi is a free fun API. Free tier: Free — no auth. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Personality.fyi need an API key?

No — Personality.fyi needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call Personality.fyi from the browser?

Yes — Personality.fyi returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Personality.fyi up right now?

As of our last scheduled check, Personality.fyi is unmonitored. We re-probe it every sweep — the status badge and uptime chart above always show the latest.