| What it does | Email verification with real SMTP checks and catch-all detection
| SMS API and CPaaS platform for OTPs and alerts
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| Stage | Startup
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| Founded | 2026
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| Based in | US
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| Pricing model | Freemium
| Paid
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| Pricing | 100 free credits on signup. Prepaid credits from $19 for 10,000 verifications ($0.0019 per email). Monthly subscription plans: Starter $15/month (10,000 verifications/month), Pro $39/month (50,000/month), Business $69/month (100,000/month), Scale $150/month (500,000/month), Agency $300/month (1,500,
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| Key features | - Real-time SMTP verification checks mailbox existence on recipient mail servers
- Disposable and role-based email detection
- Email syntax validation and MX record checks
- Bulk CSV upload and processing with parallel verification
- REST API with single and batch endpoints for real-time integration
- Email Finder to locate verified business email addresses
- Non-expiring prepaid credits system
- Safe to Send flag indicating deliverability status
- Multiple verification layers for major email providers like Google, Microsoft, Yahoo
| - REST API and SMPP 3.4 protocol support
- Routes tested on real phones
- Campaign management with CSV import
- OTP by SMS and Telegram
- Fraud protection with spending and OTP limits
- Real-time delivery analytics
- Mobile apps for iOS and Android
- Public pricing by country
- Message price shown before sending
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| What makes it different | - Catch-all detection separates uncertain domains clearly instead of marking them unknown
- Much cheaper than competitors at scale, from $0.0019 per verification
- Non-expiring credits give teams flexibility to purchase and use at their own pace
- Results displayed in separate buckets so teams can choose their own risk tolerance
- 100 free credits with no credit card required for testing
| - Every route tested on real phones to verify delivery receipts
- No monthly fee, no minimum contract required
- Fraud protection stops invalid sends before charging
- Message price and part count visible before sending
- One platform across REST API, SMPP, web app and campaigns
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 13 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 30 | 0 |
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| Referring domains (Majestic) | 90 | 0 |
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VeriMails™
Siel