api.zerion.io

4 x402 endpoints assessed · worst score 10/100 · generated 2026-09-22T20:23:27.004Z

Some endpoints are safe to pay

Verdicts

pay 2 · caution 0 · avoid 2

Findings across this host

missing-trust-surface — 4 endpoints
stale — 2 endpoints
thin-listing — 2 endpoints
no-www-authenticate — 2 endpoints
no-x402-header — 2 endpoints
not-402 — 2 endpoints
unlisted — 2 endpoints
evaluation-traffic — 1 endpoint

Endpoints

method	resource	verdict	score	findings
`GET`	`https://api.zerion.io/v1/wallets/:address/positions`	avoid	10	`not-402` `no-x402-header` `missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.zerion.io/v1/wallets/:address/transactions`	avoid	10	`not-402` `no-x402-header` `missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.zerion.io/v1/fungibles/`	pay	70	`missing-trust-surface` `thin-listing` `stale` `evaluation-traffic`
`GET`	`https://api.zerion.io/v1/wallets/:address/portfolio`	pay	80	`missing-trust-surface` `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":"api.zerion.io"}

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.