| What it does | Email infrastructure for developers to send, receive, and reply to emails through one API
| Email verification API that catches invalid addresses and disposable inboxes at signup
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Paid
| Freemium
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| Pricing | Default: $9/month for 5,000 emails/month with basic support; Pro: $15/month for 50,000 emails/month and 50 domains; Growth: $39/month for 100,000 emails/month and 300 domains; Scale: $79/month for 200,000 emails/month and unlimited domains. Additional domains cost $3.50/domain/month, and additional
| Free: 1,000 checks on first project, no card required, credits never expire. Paid: $10 per pack of 20,000 checks ($0.50 per 1,000 checks), no subscription or credit expiry, optional auto top-up.
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| Key features | - Transactional email sending for receipts, notifications, and transactional messages at scale
- Receive email to endpoints as structured JSON with headers, text, HTML, and files
- Threaded conversations with full context across replies and participants
- Webhook delivery with logs and one-click retries
- API keys, webhook verification tokens, and rate limits for security
- Guard rules to filter and route incoming email with AI-evaluated rules on Pro plans and above
- TypeScript SDK and REST API
- Spam filtering with verdicts and bounce suppression list
- Custom domain configuration with guided DNS setup
| - Email format and domain validation checking syntax and mail-routing DNS
- Disposable email provider identification
- Mailbox acceptance checking whether mail server accepts the address
- Typo suggestion for likely corrections
- Allow, review, or block recommendation with reasons
- Bulk CSV verification up to 5,000 addresses per job
- REST API and MCP endpoint integration
- Domain intelligence reports showing provider classification
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| What makes it different | - One unified API for sending, receiving, and replying to emails in the same thread
- Email automatically converted to structured JSON for easy processing
- Unlimited mailboxes included on every plan
- Affordable pricing starting at $9/month with no hidden fees
- Email routing to any endpoint with catch-all support
| - No subscription required, pay only for what you use with one-time credit packs
- Credits never expire and carry over between purchases
- Free tier with 1,000 credits requires no card to start
- Detailed result signals showing structure, domain, context, and mailbox evidence separately for custom handling
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 51 ▲ +1 (up) since last check | 4 ● no change since last check |
| Trust Flow (Majestic) | 7 | 0 |
| Citation Flow (Majestic) | 33 | 28 |
| Referring domains (Majestic) | 117 | 48 |