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Liminal Site Audit
x402
Liminal Site Audit is a paid API for AI agents from x402-spot-prices.hsharmanov02.workers.dev, paid per call via x402, $1/call, status unknown (last checked 2026-10-02).
Performs a comprehensive site audit for a given URL, checking DNS, SSL, tech stack, and HTTP security headers, and returns a health summary.
Price / call$1
Success—
StatusUnknown
How this service works
Live crypto spot-price snapshots (USD) and fiat FX spot rates. Pay-per-request via x402 v2: $0.01 USDC on Base, Monad, Arbitrum, Optimism, Polygon, Avalanche or Solana (eip155:8453), Monad (eip155:143), Arbitrum (eip155:42161), Optimism (eip155:10), Polygon (eip155:137), Avalanche (eip155:43114) or Solana, scheme exact (EIP-3009). Unpaid calls return HTTP 402 with a base64 PAYMENT-REQUIRED header; retry with a PAYMENT-SIGNATURE header.
Output
Returns a JSON object with an overall health status (e.g. 'healthy'), a list of reasons, and per-section results for DNS, SSL, tech stack, and HTTP headers (each with an ok boolean). Also includes the host, checked_at timestamp, and price in USDC.
Example use cases
Pre-launch security check
“Before I launch my new SaaS site at https://myapp.io, can you audit it and make sure the SSL certificate is valid, DNS is set up correctly, and the security headers are solid?”
Monitoring competitor site health
“Can you audit https://competitor.com and give me a breakdown of their DNS, SSL, and HTTP security header grades?”
Diagnosing a flagged domain
“My site https://mybusiness.com got flagged for security issues — can you run a full site audit and tell me which sections are failing, like SSL or headers?”
Technical details
Endpoint
POSThttps://x402-spot-prices.hsharmanov02.workers.dev/site-audit?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, pay-per-request technical health snapshot of a website covering DNS, SSL, security headers, and tech stack in a single call. Prefer it over manual checks or heavier auditing tools when you want a structured JSON result without setting up infrastructure. Ideal for lightweight agent-driven monitoring or pre-deployment validation.
Side effects
- HTTP 402 returned if payment signature header is missing or invalid — must retry with a valid PAYMENT-SIGNATURE header
- Target URL is unreachable or does not exist, leading to failed section checks
- Malformed input (missing url or host field) may result in an error response
- Cloudflare Worker downtime could result in 503 or timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"url": "https://example.com/",
"host": "example.com",
"service": "site-audit",
"summary": {
"overall": "healthy",
"reasons": [
"SSL certificate valid",
"security headers grade A"
]
},
"sections": {
"dns": {
"ok": true
},
"ssl": {
"ok": true
},
"stack": {
"ok": true
},
"headers": {
"ok": true
}
},
"checked_at": 1759099200,
"price_usdc": "1.00",
"sections_ok": 4,
"sections_total": 4
}
}Tags
x402
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