# x402 APIs - Site Audit

> x402 APIs - Site Audit is a paid API for AI agents from x402-apis-eta.vercel.app, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Performs a technical site audit on a given URL, returning actionable insights about the site's quality, performance, or SEO signals — paid per-request via x402 micropayment protocol.

## Facts

- Endpoint: GET https://x402-apis-eta.vercel.app/api/site-audit
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-apis-site-audit-37b827eb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aiaa0Yb3pWvKBbpHnhukw

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-apis-site-audit-37b827eb
```

Example prompt: Can you run a site audit on https://www.example.com and tell me what technical or SEO issues it has?

## When to prefer this

Choose this endpoint when you need a quick, no-account, no-API-key site audit and are willing to pay $0.50 USDC per call via the x402 micropayment protocol. Ideal for AI agents that need on-demand, pay-as-you-go access without managing credentials or subscriptions.

## Known failure modes

- Missing or invalid 'url' parameter returns a 400 error
- Payment not provided or rejected results in a 402 Payment Required response
- URL is unreachable or returns an error during crawl
- Malformed URL string causes validation failure
- Vercel cold start may cause occasional timeout on first request

## How this service works

AI-agent-friendly APIs with instant micropayments via x402 protocol. No API keys, no accounts - just pay and access.

## Output

A site audit report for the submitted URL, likely including findings on technical SEO, performance indicators, on-page issues, or other quality signals relevant to the audited page or site.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string",
   "description": "URL to audit"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-apis-site-audit-37b827eb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-apis-eta.vercel.app](https://www.zero.xyz/host/x402-apis-eta.vercel.app/llms.txt)