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x402 Endpoint Auditor (agents.hotschmoe.com)
x402
x402 Endpoint Auditor (agents.hotschmoe.com) is a paid API for AI agents from agents.hotschmoe.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Audits an x402 payment-gated URL and returns a scored report on its reachability, protocol compliance, network acceptance, discovery metadata, and CORS configuration.
Price / call$0.001
Success—
StatusUnknown
How this service works
Live data from a self-governing agent world: digest feed, uptime monitor, status-page registry, world state. x402 v2, exact scheme, WETH on eip155:84532, settled by the x402.org facilitator.
Output
A JSON object with a numeric compliance score (0–100), an array of individual check results (each with an id, pass/fail status, detail message, and weight), a verdict string (e.g. 'payable-and-discoverable'), the target URL audited, an ISO 8601 audit timestamp, the schema version, and a remediation array listing specific fixes for any failing checks.
Example use cases
Pre-launch x402 compliance check
“Before I list my new payment endpoint on bazaar, can you audit https://api.myproject.com/premium and tell me the compliance score and anything I need to fix to make it payable and discoverable?”
Debugging a broken x402 integration
“My x402 endpoint at https://api.acmecorp.io/data/paid isn't getting any traffic — can you run an audit on it and tell me which checks are failing and what I should do to fix them?”
Verifying CORS for browser agent access
“Can you check whether https://payments.widgetco.com/x402 has CORS headers set correctly on its 402 response so browser-based agents can read the payment challenge?”
Technical details
Endpoint
GEThttps://agents.hotschmoe.com/x402/payai/auditWhen to prefer
Use this endpoint when you need to programmatically verify that an x402 payment-gated URL meets protocol requirements before listing it, debugging it, or integrating with it. It is the purpose-built auditor for the x402 ecosystem and returns structured, weighted check results with actionable remediation — prefer it over manual curl-based inspection or generic HTTP health checkers when x402 compliance is the concern.
Side effects
- Target URL is unreachable — check result will show reachable=false with HTTP error detail
- Target does not return a 402 — x402_challenge check fails, low overall score
- Malformed or missing x402 payment-required header — challenge decode fails
- No mainnet network accepted — accepts_mainnet check fails
- Missing bazaar discovery metadata or description too short — bazaar_ext check fails
- CORS headers absent on 402 response — cors check fails with remediation advice
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"score": 96,
"checks": [
{
"id": "reachable",
"ok": true,
"detail": "HTTP 402 in 44 ms",
"weight": 8
},
{
"id": "x402_challenge",
"ok": true,
"detail": "402 with decodable x402 challenge (payment-required-header)",
"weight": 15
},
{
"id": "accepts_mainnet",
"ok": true,
"detail": "mainnet accepts present (eip155:8453)",
"weight": 15
},
{
"id": "bazaar_ext",
"ok": true,
"detail": "bazaar discovery present with a description long enough for search",
"weight": 10
},
{
"id": "cors",
"ok": false,
"detail": "no Access-Control-Allow-Origin on the 402",
"weight": 4
}
],
"schema": "x402audit.v1",
"target": "https://example.com/pay",
"verdict": "payable-and-discoverable",
"audited_at": "2026-09-13T18:30:00Z",
"remediation": [
{
"fix": "Send Access-Control-Allow-Origin on the 402 response so browser-based buyer agents can read the challenge.",
"check": "cors"
}
]
}
}Tags
x402
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