Popular Questions About Email Verifier
Quick answers about how it works, accuracy, and using ValidateLeads.
Yes. Our Email Verifier is free to use. With a free account you get verification credits every month, so you can verify your list at no cost. Upgrade when you need more volume.
While no verification is perfect, we get you close. Our email checker ensures a high deliverability rate so you can trust your list.
One credit verifies one email address. We only use one credit per address, even if you check it multiple times. Our system tracks verifications so we don't waste your credits.
Valid - Confirms the address is active and reachable, reliable for outreach. Catch-all - The domain accepts all emails; the address may not belong to a specific recipient. Invalid - Non-deliverable (bad syntax, missing recipient, or server issue). Unknown - Status uncertain, e.g. server connectivity. Pending - Verification still in progress, often for large lists.
Yes. Full inbox, inactive accounts, or server issues can still cause bounces. We verify validity at check time; these other factors can lead to bounces later.
We use a secure method to check directly with the email server. We verify format, server existence, and mailbox validity. We don't send any emails to verify addresses.
No. We don't send any emails to verify addresses. We use a secure method to check directly with the email server - we verify format, server existence, and mailbox validity.
Yes. We provide an API for single and bulk verification. Get an API key from your dashboard and use it in your app or CRM. See our API docs for details.