BillionVerify
Verify emails in real-time with 99.9% accuracy.
BillionVerify is a professional email verification service built to solve one problem: bad email data costs businesses money. Every bounced email hurts sender reputation, wastes marketing spend, and skews campaign analytics. We built BillionVerify to give teams of every size access to accurate, fast, and affordable email verification. Since launch, our platform has processed over 1 billion email verifications for businesses across 200+ countries, covering everything from single API lookups at signup to bulk list cleaning of millions of records.
Features
- Real-time verification API with 99.9% accuracy and response times Real-time, designed for signup forms, checkout flows, and CRM integrations
- Bulk email list cleaning that processes up to 50,000 emails per hour with progress tracking, duplicate removal, and exportable reports in CSV and Excel formats
- Disposable email detection that identifies temporary and throwaway addresses from thousands of known providers, blocking fake signups before they enter your database
- Role-based email identification that flags generic addresses like info@, support@, and admin@, helping you reach actual decision-makers instead of shared inboxes
- Catch-all server detection that identifies domains configured to accept all emails, giving you accurate risk assessment for addresses that cannot be confirmed at the mailbox level
- Spam trap detection and sender reputation protection that identifies known honeypot addresses before they trigger blacklisting or deliverability penalties
Use Cases
- Free Email Checker
- Email Validator
- Disposable Email Detection
- Bounce Email Checker
- Catch-All Verifier
- Role Account Detection
- Email List Cleaning
Comments
With over 1 billion emails verified, we have tested our systems against every major email provider, regional ISP, and enterprise mail server configuration. Our global verification infrastructure is distributed across multiple regions to ensure consistent speed and reliability regardless of where the target mailbox is hosted. The API responds in Real-time, and our bulk processing engine handles up to 50,000 emails per hour. We support 25+ native integrations with popular marketing platforms and CRMs, plus a well-documented REST API for custom implementations. Our verification results include detailed status codes, risk scores, and actionable flags so you can make informed decisions about every address on your list.
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Comments
With over 1 billion emails verified, we have tested our systems against every major email provider, regional ISP, and enterprise mail server configuration. Our global verification infrastructure is distributed across multiple regions to ensure consistent speed and reliability regardless of where the target mailbox is hosted. The API responds in Real-time, and our bulk processing engine handles up to 50,000 emails per hour. We support 25+ native integrations with popular marketing platforms and CRMs, plus a well-documented REST API for custom implementations. Our verification results include detailed status codes, risk scores, and actionable flags so you can make informed decisions about every address on your list.
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