| What it does | B2B revenue assurance for Stripe and Shopify with automated unpaid usage protection, chargeback defense, and EU VAT compliance
| Instant SMS verification and virtual phone numbers for WhatsApp, Telegram and other platforms using real physical carrier SIM lines
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| Stage | Not given
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| Founded | Not given
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| Based in | VN
| GB
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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)
| Turkey (+90) from 449.00 ₺; USA (+1) from 259.00 ₺; UK (+44) from 299.00 ₺. Price range USD 1.99 to 9.99.
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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
| - SMS verification codes arrive within 30-60 seconds
- 100% automatic refund if SMS code does not arrive
- Zero KYC verification, no documents required
- Support for WhatsApp, WhatsApp Business and Telegram
- Available for Turkey, UK and USA locations
- Live pricing and stock verification before each order
- 24/7 live support via dashboard and Telegram bot
- Official Telegram bot for direct number purchases and code delivery
- Multiple payment methods including credit card, bank transfer and crypto
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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
| - Real physical carrier SIM lines instead of shared VOIP numbers
- Zero risk of account bans because physical operator lines are used
- Transparent refund process with automatic reimbursement
- Curated number pool from reliable providers
- Reseller program to sell numbers at custom margins
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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 | 1 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 10 |
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| Citation Flow (Majestic) | 33 | 22 |
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| Referring domains (Majestic) | 18 | 8 |
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RevClamp Enterprise
SMSKap