| What it does | B2B revenue assurance for Stripe and Shopify with automated unpaid usage protection, chargeback defense, and EU VAT compliance
| International calls at unbeatable rates, direct from your browser
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| Stage | Not given
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| Founded | Not given
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| Based in | VN
| DE
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| Pricing model | Paid
| Paid
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| Pricing | 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)
| Pay-as-you-go: calls cost from $0.024/minute for US calls, rates vary by destination. Initial top-up: $3 for eligible new accounts, $5 otherwise. Regular minimum credit purchase: $5. Live call translation: $0.19/minute. Phone number rental available for a monthly fee (US or Canada numbers).
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| Key features | - 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
| - Call 150+ countries with per-minute rates
- HD voice quality with adaptive adjustment
- Live call translation with multiple language pairs
- Works on iOS, Android and web browser
- End-to-end encrypted calls
- No downloads required
- 24/7 customer support
- Rent US or Canada phone numbers
- Send and receive SMS messages
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| What makes it different | - 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
| - Rates from $0.024/minute with no hidden fees or subscriptions
- Live call translation feature for multi-language conversations
- Instant setup with no SIM card needed
- Works anywhere globally with internet connection
- Free 1-minute trial for new accounts after card verification
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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) | Not checked yet ● no change since last check | 27 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 6 | 3 |
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| Citation Flow (Majestic) | 33 | 21 |
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| Referring domains (Majestic) | 18 | 17 |
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RevClamp Enterprise
Calloza