Check if an email address looks deliverable

Validate syntax, domain, MX records, disposable and role addresses, and catch common typos, without sending any email.

Need this at scale?

The same lookup is one API call at 1 credit / request (one credit is $0.0003 to $0.001 depending on volume), with failed requests free.

cURL

curl "https://api.gridlode.com/v1/contacts/email-check?email=info%40python.org" \
  -H "Authorization: Bearer $GRIDLODE_KEY"

Get 1,000 free credits Email Checker API docs

FAQ

Do you contact the mailbox?

No. This check never sends email or talks to the mail server, so it can't confirm a specific mailbox exists. It catches the most common problems: bad syntax, dead domains, missing MX and disposable providers.