Is Full Contact free to use?

Yes, Full Contact is listed as a free public API. Visit the official documentation for current rate limits and usage policies.

Does Full Contact require authentication?

Yes, Full Contact requires OAuth authentication. Check the documentation for setup instructions.

Full Contact — Free Public API

Overview

Full Contact provides identity/enrichment APIs — OAuth-based.

⚠️ Status (verified 2026-08): a guessed path returned HTTP 405 (structured) — the route paths differ. Check the docs for valid routes.

What it provides

curl -X POST "https://api.fullcontact.com/v3/person.enrich" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"email":"test@example.com"}'

Notes

Person/company enrichment.
Route paths per the docs.

FAQ

Is Full Contact free? Free tier with limits; more is paid.

Why 405? Our 2026-08 guess path was wrong (verified) — check the docs.

What does it do? Identity enrichment.

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