Personality.fyi API
personality.fyiA free JSON API providing data for the 16 MBTI types and scoring for the OEJTS personality test.
The Personality.fyi API API uses none authentication; has free pricing; offers a free tier (Free, no authentication; all data is CC0 public domain); rate limits: No hard rate limits today; IP-based limiting may be added past ~1k req/min sustained. Verified 2026-07-08 with per-field source links.
Pricing
API is free (data is CC0). Note: consumer AI features like Career Planning have a $9/month subscription but are not part of the API.
personality.fyi ↗Rate limits
No hard rate limits today; IP-based limiting may be added past ~1k req/min sustained
personality.fyi ↗OpenAPI spec
not documented null
no sourceMCP server
not documented null
no source