freeapis

Registrum

UK company data: profiles, directors, PSC, iXBRL-parsed financials, ECCTA status

Authentication
API Key
HTTPS
Yes
CORS
No
Category
Open Data

Overview

Registrum provides UK company data — key-based (a missing key returns 401 with a hint, verified).

Quick Start

Companies (replace YOUR_KEY):

curl "https://api.registrum.co.uk/v1/companies" \
  -H "X-API-Key: YOUR_KEY"
{ "status": "error", "detail": "Missing API key. Include X-API-Key header." }

Authentication

  • Register at api.registrum.co.uk → API key.
  • Send it as the X-API-Key header (missing → 401, verified).

Rate Limits & Notes

  • Key-based with a free tier (check the docs).
  • UK company data.

FAQ

Is Registrum free? Key-based with a free tier per the docs.

Why 401? The X-API-Key header is required (verified).

What’s the auth style? X-API-Key header.

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