underground.substratesymposium.com

4 x402 endpoints assessed · worst score 45/100 · generated 2026-09-22T20:24:43.104Z

Some endpoints are safe to pay

Verdicts

pay 2 · caution 2 · avoid 0

Findings across this host

missing-trust-surface — 4 endpoints
no-www-authenticate — 4 endpoints
stale — 2 endpoints
thin-listing — 2 endpoints
unlisted — 2 endpoints

Endpoints

method	resource	verdict	score	findings
`GET`	`https://underground.substratesymposium.com/buy/basil`	caution	45	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://underground.substratesymposium.com/buy/jade_plant`	caution	45	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://underground.substratesymposium.com/buy/catalog`	pay	80	`missing-trust-surface` `no-www-authenticate` `thin-listing` `stale`
`GET`	`https://underground.substratesymposium.com/buy/echeveria`	pay	80	`missing-trust-surface` `no-www-authenticate` `thin-listing` `stale`

Fix it

This page is free and shows what is wrong. The full audit adds severity, business impact and the exact fix for every finding, EIP-712 signed so you can hand it to whoever maintains the service.

POST https://enclave402.com/api/audit/host — $25.000 USDC via x402, body {"host":"underground.substratesymposium.com"}

Verdicts come from a continuous probe of x402 resources. How grading works · our own settlement ledger and self-dealing share. If you believe a verdict is wrong, re-probe with /api/seller/vet.