Registrum API
Registrum API — free tier with API key
Registrum API exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.
GET https://api.registrum.co.uk/
{
"name": "Registrum API",
"version": "0.1.0",
"docs": "/docs"
}curl "https://api.registrum.co.uk/"const res = await fetch("https://api.registrum.co.uk/");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.registrum.co.uk/")
print(res.json())BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET
/PROBEDRegistrum API — free tier with API key
/?limit=5Paginated variant with limit parameter.
/v1/healthLiveness check
/v1/health/deepDependency health check
/v1/health/probesLatest background health probe results
/v1/searchSearch for companies by name
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.
Registrum API: common questions
Is Registrum API free to use?
Yes — Registrum API is a free open data API. Free tier: Free tier — API key required. Whether the free tier allows commercial use is unclear — check the provider docs.
Does Registrum API need an API key?
Yes — Registrum API needs a free API key, which you pass on each request. Rate limits: Unpublished.
Can I call Registrum API from the browser?
Not directly — Registrum API doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.
Is Registrum API up right now?
As of our last scheduled check, Registrum API is healthy with 100% uptime over 90 days and a 246 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.