agent.api.0x.org

3 x402 endpoints assessed · worst score 80/100 · generated 2026-09-22T20:23:40.143Z

Some endpoints are safe to pay

Verdicts

pay 3 · caution 0 · avoid 0

Findings across this host

missing-trust-surface — 3 endpoints
no-www-authenticate — 3 endpoints
thin-listing — 3 endpoints

Endpoints

method	resource	verdict	score	findings
`GET`	`https://agent.api.0x.org/v1/x402/swap-allowance-holder-price/`	pay	80	`missing-trust-surface` `no-www-authenticate` `thin-listing`
`GET`	`https://agent.api.0x.org/v1/x402/swap-allowance-holder-quote`	pay	80	`missing-trust-surface` `no-www-authenticate` `thin-listing`
`GET`	`https://agent.api.0x.org/v1/x402/swap-allowance-holder-quote/`	pay	80	`missing-trust-surface` `no-www-authenticate` `thin-listing`

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":"agent.api.0x.org"}

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.