| What it does | Send a fax online from any browser, pay per page with no subscription
| B2B revenue assurance for Stripe and Shopify with automated unpaid usage protection, chargeback defense, and EU VAT compliance
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| Stage | Not given
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| Founded | Not given
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| Based in | KZ
| VN
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| Pricing model | Not given
| Paid
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| Pricing | 3 pages for $1.09 ($0.36 per page), 7 pages for $1.99 ($0.28 per page), 23 pages for $4.99 ($0.22 per page), 57 pages for $9.99 ($0.18 per page). First page free once per email and per browser on the web. No subscription; pages never expire.
| Free Audit: $0/month (up to 5,000 events/month); Starter: $19/month (up to 100,000 events/month); Growth: $59/month (up to 1,000,000 events/month); Scale: $199/month (up to 5,000,000 events/month)
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| Key features | - Drop PDF, JPEG, PNG or iPhone photos; up to 50 pages and 19 MB per fax
- Black-and-white preview before sending shows how pages will print
- Sign in with Google, Apple, or email code; no password required
- Automatic cover page with sender name for US numbers
- PDF receipt with date, time, number and transmission ID when delivered
- Failed faxes automatically return pages to balance
- Send from web browser on Windows, Mac, Chromebook, iPhone or Android
- Native apps for iPhone, iPad and Mac with document camera and share sheet integration
- Automatic number format handling and trunk zero removal per country
- Toll-free and premium number detection; 2 pages per page for higher-cost numbers
| - Detects canceled or past-due accounts still using your product and pauses access after a configurable grace window
- Stages Visa CE 3.0 chargeback evidence with 120-365 days of historical charges and 90 days of customer activity logs
- Validates buyer VAT IDs across 27 EU member states and Northern Ireland against official EU VIES servers
- Provides official audit trails and SHA-256 signed CSV exports for EU VAT compliance
- Handles VIES server outages by placing fulfillment on safe hold and retrying in the background
- Reconciles Shopify Plus B2B Net-Terms deposits with exact EUR-cent precision
- Native Model Context Protocol (MCP) server for AI agents to audit revenue and manage subscriptions
- Signed HMAC-SHA256 webhooks for account lock and restore with configurable grace periods
- Interactive demo simulators for testing unpaid access detection, chargeback defense, and EU VAT scenarios
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| What makes it different | - Median delivery time 66 seconds; 79% delivered in under 2 minutes
- Confirmed delivery only; PDF receipt proves receiving machine accepted pages
| - Flat-rate pricing with zero percentage overage fees, unlike per-transaction or metered billing models
- Non-destructive chargeback evidence staging with submit=false control, preserving merchant notes
- 2-minute setup via Stripe OAuth or Shopify App Store without complex code changes
- Agent-native MCP server enabling autonomous AI agents to manage revenue audits and entitlements
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▲ +3 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 6 |
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| Citation Flow (Majestic) | 6 | 33 |
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| Referring domains (Majestic) | 1 | 18 |
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Faxvio
RevClamp Enterprise