provider
validate.crewofthecaptain.com
8 listed endpoints · free reliability snapshot (may be up to 24h old)
endpoints
8
avg trust score
67.7
ecosystem avg 45.4
avg 30-day uptime
100.0%
ecosystem avg 54.8%
avg latency (EU)
1539 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.001
USDC per call
networks
1
1 MCP-native
Base 1 MCP-native · 7 HTTP
B 7ungraded 1
At a glance
validate.crewofthecaptain.com operates 8 listed x402 endpoints across 1 network. 7 of them carry a computed trust score, averaging 67.7 of 100 (above the ecosystem average of 45.4). Average 30-day uptime across the measured endpoints is 100.0% (above the ecosystem average of 54.8%). Advertised price: $0.001 USDC per call. Best-scored endpoint: x402 Format Checker (grade B, 68.0).
Top endpoints by trust score
- x402 Format Checker/api/validate/eu-vatEU VAT number: per-country format (offline, no VIES); PL also NIP checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base→
- x402 Format Checker/api/validate/pl-peselPolish PESEL: checksum + encoded birth date and sex. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base→
- x402 Format Checker/api/validate/pl-nipPolish NIP tax id: 10 digits + weighted mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base→
- x402 Format Checker/api/validate/ibanIBAN: country length + ISO 13616 mod-97 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base→
- x402 Format Checker/api/validate/pl-regonPolish REGON: 9 or 14 digits + mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| x402 Format Checker/api/validate/emailEmail address syntax (dot-atom local part, LDH domain; no DNS). Onl… | B 67.7 | 100.0% | 0.80 | $0.001 |
| x402 Format Checker/api/validate/eu-vatEU VAT number: per-country format (offline, no VIES); PL also NIP c… | B 68.0 | 100.0% | 0.80 | $0.001 |
| x402 Format Checker/api/validate/pl-peselPolish PESEL: checksum + encoded birth date and sex. Only $0.001 (0… | B 68.0 | 100.0% | 0.80 | $0.001 |
| x402 Format Checker/api/validate/ibanIBAN: country length + ISO 13616 mod-97 checksum. Only $0.001 (0.1… | B 67.9 | 100.0% | 0.80 | $0.001 |
| x402 Format Checker/api/validate/pl-regonPolish REGON: 9 or 14 digits + mod-11 checksum. Only $0.001 (0.1 ce… | B 67.9 | 100.0% | 0.80 | $0.001 |
| /api/types | ? 24.7 | — | 0.27 | — |
| x402 Format Checker/api/validate/pl-nipPolish NIP tax id: 10 digits + weighted mod-11 checksum. Only $0.00… | B 68.0 | 100.0% | 0.79 | $0.001 |
| x402 Format Checker/mcpIBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cen… | B 66.6 | 100.0% | 0.79 | $0.001 |
Grades are our independent measurement, recomputed daily; provider-supplied names and descriptions are unverified claims. Live re-probe and 90-day history via the paid API.