EmailVerify.ai

EmailVerify.ai is an email verification service that validates email addresses with 99.9% SMTP-level accuracy, helping businesses reduce bounces and protect sender reputation.

What is EmailVerify.ai?

EmailVerify.ai (operated by BillionVerify) is a cloud-based email verification platform that accepts single email addresses or bulk CSV lists and returns deliverability statuses, SMTP verification results, MX records, and reputation scores. It is built for sales, marketing, and agency teams who need to clean email lists before campaigns, signups, or API-driven workflows.

Key Features

• Real-time API — Verify addresses via a simple HTTP call with response times under 200ms; returns structured JSON with status, SMTP check, and catch-all detection.
• Bulk list cleaning — Upload CSV files of up to 50,000 emails per hour; processing runs in the background with live progress tracking and email notifications on completion.
• Disposable email detection — Identifies temporary or throwaway email domains to prevent fake signups.
• Role-based email detection — Flags generic addresses like info@, support@, and sales@ to help sales teams focus on decision-makers.
• Spam trap detection — Recognizes known spam trap addresses to avoid blacklisting.
• Catch-all domain scoring — Assigns a confidence score for catch-all domains, letting users decide whether to send.
• Whitelabel service — Launch a branded verification portal with custom domain, client workspaces, and usage management.
• Integrations — Native integrations with Mailchimp, HubSpot, Salesforce, SendGrid, ActiveCampaign, Klaviyo, Zapier, Make, Pipedrive, and Integrately.

Who is it for?

• Sales teams — Validate prospect lists before outbound sequences to reduce bounces and improve reply rates.
• Marketing teams — Clean subscriber lists and add real-time verification at signup to protect sender reputation.
• Agencies — Standardize list quality across client campaigns using bulk verification and whitelabel portals.
• E-commerce businesses — Reduce failed order notifications by verifying email addresses at checkout via API.

What can you do with EmailVerify.ai?

• Clean cold email lists — Remove invalid, risky, and catch-all addresses from outbound lists before campaigns launch.
• Verify signup flows — Integrate the API to block disposable and invalid emails during user registration, reducing fake accounts.
• Process large file uploads — Submit CSV files of billions of addresses, estimate processing time, and download segmented results (valid, invalid, unknown, risky, role, catch-all).
• Automate with AI agents — Use the native MCP server integration to let AI agents verify emails autonomously without billing setup.

How does it work?

You can verify a single email by entering it in the dashboard, upload a CSV file for bulk cleaning, or call the real-time API from your application. The system performs SMTP checks, MX record lookups, and pattern analysis to classify each address. Results are available instantly for single checks and within minutes for large lists.

Pricing

EmailVerify.ai offers a free tier: 100 verifications per day with no credit card required. Paid plans start at $0.00014 per email for higher volumes, with bulk discounts available.

FAQ

Is EmailVerify.ai free?

Yes, you get 100 free verifications every day without providing payment information. This forever-free tier allows you to test accuracy and coverage before upgrading.

What does EmailVerify.ai check?

It checks SMTP server response, MX record validity, disposable email patterns, role-based addresses (info@, support@), spam trap signatures, and catch-all domain behavior. The result is a detailed status with a deliverability score.

How accurate is EmailVerify.ai?

The service claims 99.9% SMTP-level accuracy, based on real-time server handshakes rather than heuristic guesses. Independent user reports confirm bounce rate reductions from over 5% to under 1%.

Can I verify emails via API?

Yes, the REST API returns structured JSON with verification status, SMTP check, MX records, and catch-all score. Average response time is under 200ms.

What integrations are supported?

Native integrations include Mailchimp, HubSpot, Salesforce, SendGrid, ActiveCampaign, Klaviyo, Zapier, Make, Pipedrive, and Integrately. Custom workflows are possible via the API.