Email Validation API - Verify and Append Names

Verify email addresses in bulk with SMTP, MX and catch-all checks, get the verdict and the reason code behind it, append the name, gender and location on the address, find a named person's work address, and detect the email pattern a company uses. Pay per result. Bring your own API key.

Verify up to ten thousand email addresses in one request with syntax, DNS, MX and SMTP checks, and get the verdict, the reason code, a 0-100 deliverability score, a 0-5 toxicity score plus catch-all, disposable, free, role and full mailbox flags. Domain checks cost one credit. Pay per result.

Email Verifier — Bulk SMTP & MX Validation, Catch-all

bovi/email-verifier

Verify email deliverability without sending mail. Syntax, MX lookup, SMTP probe, catch-all detection, disposable & role-account flags. Score 0-100 per email.

Append an email address to a name and postal address, pull the age, income, household and interests behind an address, verify deliverability with a reason code and typo correction, find a person's other addresses, and check phone line type, carrier and connection status. Pay per result.

Verify email addresses with syntax, MX, disposable, role-based, and SMTP handshake checks. Returns validity score (0-100) and detailed reason. Standby HTTP API, sub-second response. Free tier: first 10 verifications free.

Verify email addresses with SMTP checks, a safe-to-send verdict and a reason code, find the address behind a person at a company, and reverse-look-up the person or company behind an address, a domain or a profile URL. Flags catch-all, disposable, free, role and gibberish. Pay per result.

Email Validator & Verifier — MX, SMTP & Syntax

junipr/email-validator

Validate email addresses in bulk with syntax, domain, MX, disposable-domain, role-account, and optional SMTP checks for list QA.

Verify emails in bulk without sending mail: syntax, MX, SMTP mailbox probe, catch-all, disposable, role, free & SPF/DMARC/DKIM. Get deliverable/undeliverable/risky verdict + 0-100 score. Clean your lead list before you send. No API key.

Verify email deliverability via syntax checks, MX lookups, and a non-intrusive SMTP RCPT probe. Flags disposable domains, role accounts, and catch-all servers. $0.001/email + $0.02 start.

Email Verifier (Syntax + MX + SMTP)

andok/email-verifier

Verify email deliverability via syntax checks, MX lookups, and a non-intrusive SMTP RCPT probe. Flags disposable domains, role accounts, and catch-all servers. $0.001/email + $0.02 start.