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WhoisXML API Email Verification API

WhoisXML API Email Verification API — free tier with API key

📚 Open DataUNMONITORED
AUTH APIKEYCORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

WhoisXML API Email Verification API exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://emailverification.whoisxmlapi.com/api/v1

{
  "ErrorMessage": [
    {
      "Error": "The api key field is required."
    },
    {
      "Error": "The email address field is required."
    }
  ]
}
Call itcurl · fetch · python
curl "https://emailverification.whoisxmlapi.com/api/v1"
const res = await fetch("https://emailverification.whoisxmlapi.com/api/v1");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://emailverification.whoisxmlapi.com/api/v1")
print(res.json())
Endpoints · 6On scheduleFULL DOCS ↗
On schedule — GET /api/v1 awaits first probe
GET/api/v1PROBED

WhoisXML API Email Verification API — free tier with API key

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

GET/api/login

Login — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

WhoisXML API Email Verification API: common questions

Is WhoisXML API Email Verification API free to use?

Yes — WhoisXML API Email Verification 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 WhoisXML API Email Verification API need an API key?

Yes — WhoisXML API Email Verification API needs a free API key, which you pass on each request. Rate limits: Unpublished.

Can I call WhoisXML API Email Verification API from the browser?

Yes — WhoisXML API Email Verification API returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is WhoisXML API Email Verification API up right now?

WhoisXML API Email Verification API is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.