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MailCheck.ai

Flag disposable and throwaway email domains.

💬 Social & WorkUNMONITOREDchecked 42 min ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Give it a domain and it reports whether that domain is disposable, whether it resolves MX records, and related signals like SPF and DMARC posture. Aimed at stopping temporary-inbox signups before they happen. Keyless for basic use and CORS-open.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
Uptime history
—%90 days
—%30 days
—P50 · ms
—P95 · ms
operationalpartialdownno data
Live response samplecaptured by our last successful check
GET https://api.mailcheck.ai/domain/mailinator.com

{
  "domain": "mailinator.com",
  "mx": true,
  "disposable": true,
  "public_domain": false,
  "did_you_mean": null
}
Call itcurl · fetch · python
curl "https://api.mailcheck.ai/domain/mailinator.com"
const res = await fetch("https://api.mailcheck.ai/domain/mailinator.com");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.mailcheck.ai/domain/mailinator.com")
print(res.json())
Endpoints · 5On scheduleFULL DOCS ↗
First rollup pending — GET /domain/mailinator.com has been probed
GET/domain/mailinator.comPROBED

Flag disposable and throwaway email domains.

GET/domain

Domain — documented GET route.

GET/domain/1

Domain details by ID (example: 1).

GET/domain?limit=10

Domain — documented GET route.

GET/domain/search?q=test

Search by query parameters.

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

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

MailCheck.ai: common questions

Is MailCheck.ai free to use?

Yes — MailCheck.ai is a free social & work API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does MailCheck.ai need an API key?

No — MailCheck.ai needs no API key or signup. You can call it straight away; rate limits still apply (5 req/window · 4 remaining).

Can I call MailCheck.ai from the browser?

Yes — MailCheck.ai 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 MailCheck.ai up right now?

As of our last scheduled check, MailCheck.ai is unmonitored. We re-probe it every sweep — the status badge and uptime chart above always show the latest.