Several products offer email-finder APIs. StartupHub.ai, FindLeadEmails, Relentless Identity and ParseAPI also offer name-and-domain or validation-based lookup through REST or MCP surfaces 39105.
- 1
Hunter APIhunter.ioverified and signed
Its Email Finder API takes a person's name and a domain and returns a professional email with a confidence score 2.
for agents: find-email · count-emails · hunter
- 2
Enrow APIenrow.iowebsite read, tools not yet checked
Find verified professional emails and direct phone numbers in seconds. Try the email finder and verifier for free right on the page, no signup. Find email addre 1
official:MCP server · io.enrow/enrow-mcp+1 community tools built for it
- 3
FindLeadEmailsfindleademails.comwebsite read, tools not yet checked
Finds work emails from a name and company domain and checks each against the mail server, with a JSON API 9.
official:MCP server · FindLeadEmails
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Relentless Identityrelentlessidentity.comwebsite read, tools not yet checked
Finds and verifies work emails using alias resolution and catch-all verification, with an API, SDKs and MCP support 10.
official:MCP server · Relentless Identity
Sources
- 1Find email addresses and phone numbers • Enrowenrow.io · read 2026-10-29
- 2Hunter API: Overviewhunter.io · read 2026-10-29
- 3StartupHub.ai API Docs - Email Finder, Validator, Startup Database, MCP | StartupHub.aistartuphub.ai · read 2026-10-29
- 5Email & Phone Validation, IP & ZIP Code APIs - ParseAPIparseapi.com · read 2026-10-29
- 9Email Finder & Verifier: Pay per Verified Email | FindLeadEmailsfindleademails.com · read 2026-10-29
- 10Find and verify work emails with identity-first discovery | Relentless Identityrelentlessidentity.com · read 2026-10-29
For agents: the 10 actions behind this answer
· Enrow API website read, tools not yet checked
Find verified professional emails and direct phone numbers in seconds. Try the email finder and verifier for free right on the page, no signup.
find-email · Hunter (Activepieces) verified and signed
Find Email — Retrieve/propose the most likely email for a person at a domain.
· StartupHub.ai API Docs website read, tools not yet checked
REST + MCP API: email finder, email validation, startup search (23k+ AI startups), investor + people lookup, AI-readiness scanner, and full enrichment. Free tier, MCP-ready for Claude / Cursor / Windsurf.
POST_marketing-contacts-search-emails · Email Activity (beta) verified and signed
Get Contacts by Emails
· ParseAPI website read, tools not yet checked
Validate emails and phone numbers. Look up postal codes. Get clean JSON in your app, or enrich a whole spreadsheet.
GET /emails/{email_id} · Resend verified and signed
Retrieve a single email
searchEmails · primitive.dev verified and signed
Use this when you need to find inbound emails with structured filters or full-text matching. Use sort=received_at_asc plus date_from for new-mail polling.
email · mailgun.js verified and signed
· FindLeadEmails website read, tools not yet checked
Find and verify work emails from a name and company domain. Every address is checked against the mail server; catch-alls and misses are free, and credits never expire.
· Relentless Identity website read, tools not yet checked
Find and verify work emails with alias resolution, multi-domain discovery, and catch-all verification. API, SDKs, and MCP support for engineering and RevOps workflows.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.