Cold email use case
Verify cold email lists before you send
Clean prospect lists before they enter Instantly, Smartlead, Mailshake, Lemlist, or another sender. Verifly helps you separate deliverable, risky, unknown, and undeliverable addresses before a campaign reaches inboxes.
Check a lead before outreachAPI
curl -X GET "https://verifly.email/api/v1/verify?email=lead@example.com" \
-H "Authorization: Bearer vf_your_api_key"Real-time SMTP mailbox checks
Single, batch, and async bulk verification
Disposable, role account, and catch-all detection
Pay-as-you-go credits with no subscription lock-in
Search fit
Built for cold email verification workflows
Use Verifly when you need a simple API, predictable pricing, and clean JSON results before emails hit your product, CRM, or campaign tool.
Clean Apollo, Clay, CSV, and CRM exports before upload
Separate valid, risky, catch-all, and undeliverable results
Run batch and async bulk jobs for campaign-sized lists
Keep verification spend pay-as-you-go while testing lead sources
Related guides
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