Validation

Stop fake and mistyped emails at signup.

Check an email address in real time — syntax, mail server (MX), disposable domains, typos and a deliverability score — before it enters your database.

Try itAPI spec
# check an email in real time
curl ".../v1/email/verify?key=demo\
  &email=ceo@stripe.com"
# → { "deliverable": true, "score": 100 }
EU-hosted (Austria) No data stored Free demo key

Who uses this & why

Anyone running a signup form, newsletter or checkout wants to block junk and catch typos before they cost money.

Endpoints

Auth: X-API-Key header or ?key=. Free demo key demo.
EndpointWhat it does
GET /v1/email/verifyFull check: syntax, MX, disposable, role, typo, score

Pricing

You pay per request — one request = one automated API call your software makes.
Example: a website with 300 signups a day makes ~9,000 requests/month.

Demo
Free
50 requests/day — for testing & small projects
Pro
from $5/mo
10,000 checks/month
Ultra
from $15/mo
100,000 checks/month
Get a key on RapidAPI