developers

Build with CorrectInbox

A real-time, catch-all email verification API with honest confidence scores. Start here.

Your first request

curl https://api.correctinbox.com/v1/verify \
  -H "Authorization: Bearer $CORRECTINBOX_API_KEY" \
  -G --data-urlencode "email=jane@example.com"

# → { "email": "jane@example.com",
#     "result": "catch-all",
#     "confidence": 0.82,
#     "free": false, "role_account": false,
#     "has_mx_records": true }

Illustrative example — see the quickstart for the full flow.

Get your API key

Sign up free — 100 verifications included, no card required.

Start free