| What it does | Send a fax online without a subscription or account setup
| 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 | US
| VN
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| Pricing model | Paid
| Paid
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| Pricing | $1.50 per page, no subscription required
| 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 | - Send faxes from computer, iPhone, Android, or tablet
- Instant delivery confirmation via email
- Support for PDF, DOC, DOCX, JPG, PNG, TIFF, and HEIC file formats
- File upload up to 20MB
- Real-time fax status monitoring
- 256-bit AES encryption for uploaded files
- No account creation required
- Automatic file deletion after fax delivery
- Take photos of documents on mobile to fax
| - 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 | - No subscription or account setup required
- Pay-per-page pricing at $1.50 per page
- Works on any device without app installation
- Trusted by thousands for government and legal documents
| - 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) | 17 ▲ +3 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 6 |
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| Citation Flow (Majestic) | 19 | 33 |
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| Referring domains (Majestic) | 7 | 18 |
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QuickFax
RevClamp Enterprise