Lookup.im API
Lookup.im API — free tier with API key
Lookup.im API exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.
GET https://lookup.im/api.php
{
"status": "error",
"message": "Invalid Request"
}curl "https://lookup.im/api.php"const res = await fetch("https://lookup.im/api.php");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://lookup.im/api.php")
print(res.json())BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET
/api.phpPROBEDLookup.im API — free tier with API key
/api.php?limit=5Paginated variant with limit parameter.
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.
Lookup.im API: common questions
Is Lookup.im API free to use?
Yes — Lookup.im 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 Lookup.im API need an API key?
Yes — Lookup.im API needs a free API key, which you pass on each request. Rate limits: Unpublished.
Can I call Lookup.im API from the browser?
Not directly — Lookup.im 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 Lookup.im API up right now?
As of our last scheduled check, Lookup.im API is healthy with 99.02% uptime over 90 days and a 1158 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.