| What it does | Make phone calls from your browser with your own verified caller ID, no app or subscription needed
| B2B revenue assurance for Stripe and Shopify with automated unpaid usage protection, chargeback defense, and EU VAT compliance
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| Stage | Startup
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| Founded | 2025
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| Based in | ES
| VN
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| Pricing model | Not given
| Paid
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| Pricing | Credit packs: $5, $20, $50. Calls from $0.028/min depending on country and line type (mobile vs landline). No subscription or monthly fees.
| 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 | - Browser-based calling with no app installation
- Verify and use your own phone number as caller ID
- Prepaid credit with no expiration date
- Call landlines and mobiles in 240+ countries
- Mobile and landline priced separately
- Secure payments via Stripe with 3-D Secure
- WebRTC technology for direct browser-to-phone connection
- Calls routed through Twilio network
- No subscription or monthly fees
| - 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 | - Your own verified caller ID means recipients recognize you and can call you back on your number
- No app to download or SIM card needed, just use any modern web browser
- Transparent pricing with no hidden fees or subscriptions
- Credit never expires, fully prepaid so you cannot overspend
- Simple 4-step setup takes just minutes
| - 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) | 15 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 5 | 6 |
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| Citation Flow (Majestic) | 24 | 33 |
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| Referring domains (Majestic) | 27 | 18 |
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EzyRing
RevClamp Enterprise