| What it does | Hit them in the numbers
| Measures internet adoption of post-quantum cryptography through independent network probes
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Freemium
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| Pricing | NumBan Pro Yearly — $9.99 USD (or the equivalent shown in the App Store for your region)
| Free: dashboard, one check at a time, and probe. Watch 10: $19/month (up to 10 hostnames). Watch 100: $99/month (up to 100 hostnames). Evidence report: $9 (up to 10 hostnames) or $39 (up to 50). API Free: $0. API Developer: $19/month (2,000 checks/month). API Pro: $99/month (25,000 checks/month). Da
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| Key features | - Voicemail transcription and callback number extraction
- Automatic carrier abuse report filing
- Weekly number status re-checking
- Kill tracking and confirmation
- Public leaderboard ranking
- Optional screenshot verification
- Private data storage
- Relay email address for reporting
| - Real-time post-quantum adoption statistics across top 10,000 internet sites
- Daily or 6-hourly checks of monitored hostnames from multiple networks
- Signed and Bitcoin-anchored evidence reports for auditors and regulators
- API with fresh or reused check results and bulk query support
- Webhook alerts on any change to monitored sites
- Monthly dataset of top 10,000 sites' cryptography and certificate data
- Custom probes inside your own networks for enterprise customers
- HTTP 402 payment support for agents via USDC on Base
- Recomputable view hash for transparent, reproducible results
- Free probe hosting for independent network monitoring
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| What makes it different | - Uses callback numbers instead of spoofed caller ID as the target for reports
- Keeps personal email private in carrier complaints
- Confirms kills through weekly re-checking and automation
- Single screen interface with all report information together
| - Every reading is cryptographically signed and results are reproducible and recomputable
- Neutral and transparent: no result is changed, hidden or ranked for money
- Global coverage from multiple independent network probes
- Auditor-grade evidence reports anchored in Bitcoin
- Free access to core tools: dashboard, single checks, and probe hosting
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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 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 24 | 4 |
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| Referring domains (Majestic) | 14 | 1 |
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NumBan