What people actually use MailValid for
Nine ways to stop bad email data before it costs your team. Pick the workflow that matches your work.
Lead generation & outbound teams
Cold Email Verification
Verify every prospect list before it hits the sequencer, so campaigns start clean.
Read moreProduct & engineering teams
Email Verification API
One endpoint, one JSON response, under 500ms — integrated before lunch.
Read moreSaaS & product teams
Signup Verification
Block disposable addresses and catch typos before they become rows in your users table.
Read moreMarketers
Email List Cleaning
Upload a CSV, get every address back marked valid, invalid or risky. No code.
Read moreSales, marketing & agencies
Lead & Contact List Verification
Check purchased, scraped or enriched contacts before the first send.
Read moreRevOps & sales teams
CRM Data Hygiene
Bulk verify your database quarterly so reps stop working dead addresses.
Read moreAI & agent builders
MCP for AI Agents
Connect the native MCP server and verification becomes a tool your agent can call mid-task.
Read moreE-commerce
E-commerce Checkout
Catch typos at checkout so confirmations, shipping updates and receipts actually arrive.
Read moreRecruiters
Recruiting Outreach
Verify candidate lists before outreach — response rates that reflect your message, not your data.
Read moreNot sure where to start?
- Sending cold email? Start with campaign verification
- Building a signup form? Start with the API
- Sitting on an old list? Start with list cleaning
- Building with agents? Start with MCP
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Verify real mailboxes, in bulk
95%+ accuracy, 5–10× cheaper than ZeroBounce, and credits that never expire. Start with 100 free credits – no credit card required.