| What it does | Fast, accurate bulk email verifier and validator service that cleans lists and prevents bounces
| Email API and SMTP relay with MCP server for AI assistants
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| Stage | Established
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| Founded | 2012
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| Based in | Not given
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| Pricing model | Paid
| Freemium
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| Pricing | Pay-as-you-go credits starting at $2.95 for 1,000 email validations, $9.95 for 10,000 emails, $74.95 for 100,000 emails, up to $4,975.95 for 25,000,000 emails. Free tier offers 10 free checks daily. Credits never expire and no monthly fees.
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| Key features | - Real-time SMTP verification confirms mailbox existence with 99.7% accuracy
- Bulk CSV and text file upload for email verification
- Disposable email detection blocks temporary and burner addresses
- DNS and MX record validation to prevent hard bounces
- Automatic duplicate removal keeps lists unique
- Role account detection for generic B2B inboxes
- Syntax validation for RFC-compliant email format
- API integration with JSON and XML support for signup forms and CRM
- WordPress plugin for comment forms, registration and contact forms
- Google Sheets and Excel integration with IMPORTXML and WEBSERVICE functions
| - HTTP API for sending email
- SMTP relay on port 587 with STARTTLS
- Batch sending up to 100 messages per request
- Signed webhooks for delivery, bounce, complaint, open and click events
- Automatic bounce and complaint suppression
- DKIM, SPF and DMARC domain authentication with Domain Connect
- Newsletters and broadcasts with one-click unsubscribe
- Sandbox test addresses and idempotency keys
- Remote MCP server for Claude, ChatGPT and Cursor
- Local MCP server with npx for file attachments and inline images
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| What makes it different | - Pay-as-you-go pricing without monthly subscriptions or long-term contracts
- 99.7% accuracy through real-time SMTP verification rather than stale databases
- Significantly more affordable than competitors at 30-50% lower cost
- Enterprise-grade security with AES-256 encryption and SOC 2 Type II compliance
- 14 years in business since 2012 with 400,000+ customers worldwide
| - Transactional and marketing email in one account, no need for separate services
- MCP server integration allows AI assistants like Claude, ChatGPT and Cursor to send and manage email directly
- Free plan with 5,000 emails per month, no credit card required
- Local MCP server runs on your computer for secure file attachment without server access to local files
- No overage charges by default; hard stop at quota with optional paid extra emails
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 50 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 8 | 0 |
| Citation Flow (Majestic) | 35 | 0 |
| Referring domains (Majestic) | 158 | 0 |