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Email Verifier & Validator — Bulk, SMTP, Catch-all & Disposable

Clean and validate email lists at scale with deep, real-time verification. For every address you get a clear status (valid / invalid / risky / unknown), a 0–100 score, and the full signal set: live SMTP check, catch-all detection, deliverability, MX, disposable, role account, free provider, spam-trap, and a "did you mean?" typo fix. No API key, no setup.

Cut bounce rates, protect sender reputation, and stop wasting sends on dead or risky addresses.

Features

• Two modes:
  • Power (default) — deep verification with a live SMTP handshake, catch-all and deliverability detection. Most accurate.
  • Quick — instant check (syntax, MX, disposable, role, free) with no SMTP. Faster and cheaper.
• Bulk — verify up to tens of thousands of emails per run.
• Rich signals per email — is_safe_to_send, is_deliverable, is_catch_all, can_connect_smtp, is_disposable, is_role_account, is_free_email, is_spamtrap, has_inbox_full, is_disabled, mx_record.
• "Did you mean?" — suggests fixes for obvious typos (e.g. gmial.com → gmail.com).
• Confidence score — one 0–100 number for quick filtering.
• Fair pricing — duplicates are removed and never charged.

Input

{
"emails":["jeff@amazon.com","info@stripe.com","test@mailinator.com","bad@@format"],
"mode":"power",
"deduplicate":true
}

Output

One record per email:

{
"email":"info@stripe.com",
"status":"risky",
"score":69,
"is_safe_to_send":false,
"is_deliverable":true,
"is_catch_all":true,
"can_connect_smtp":true,
"is_disposable":false,
"is_role_account":true,
"is_free_email":false,
"domain":"stripe.com",
"mx_record":"aspmx.l.google.com",
"did_you_mean":null
}

Status meanings

Notes

• Power mode performs a live SMTP conversation with the recipient's mail server to confirm the mailbox where possible, and detects catch-all domains (which accept any address). Some large providers (e.g. Google/Microsoft hosted) deliberately block these probes — those return unknown rather than a false verdict.
• Quick mode skips SMTP for instant results — ideal for fast, high-volume syntax/MX/disposable filtering.