Agent-readiness audit for a public website or x402 API
Agent-readiness audit for a public website or x402 API: checks llms.txt, robots.txt AI-crawler rules, sitemap, OpenAPI, /.well-known/x402, agent card, an MCP initialize probe, a live unpaid 402 challenge (accepts, network, payTo, Bazaar metadata) and listings on Roundhouse, 402 Index and x402 Doctor. Returns a 0-100 score, pass/warn/fail per check with evidence and a concrete fix. Deterministic, no LLM. Free example at /audit/sample. $0.05 USDC per call on Base.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
441 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://cryptofeed402.site/audit/agent-ready
| Category | Code and developer |
|---|---|
| Provider host | cryptofeed402.site |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.05 | 441 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"url": "https://cryptofeed402.site"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"url": {
"description": "Site to audit: a domain or http(s) URL; public hosts on ports 80/443 only",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checks": {
"items": {
"properties": {
"evidence": {
"type": "object"
},
"fix": {
"type": [
"string",
"null"
]
},
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"points": {
"type": "number"
},
"status": {
"enum": [
"pass",
"warn",
"fail"
],
"type": "string"
},
"weight": {
"type": "number"
}
},
"type": "object"
},
"type": "array"
},
"counts": {
"type": "object"
},
"grade": {
"type": "string"
},
"score": {
"maximum": 100,
"minimum": 0,
"type": "integer"
},
"summary": {
"type": "string"
}
},
"required": [
"score",
"checks",
"summary"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}