# Website Technical Audit API

> Website Technical Audit API is a paid API for AI agents from web4-site-audit.siteaudit-agent.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Performs a pay-per-call single-page technical SEO and website quality audit, returning a graded report with score, issues, and category breakdowns.

## Facts

- Endpoint: POST https://web4-site-audit.siteaudit-agent.workers.dev/paid/audit
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/website-technical-audit-api-d8dd547b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_oML-bYWSCjLGiAsr2Ev6-

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 website-technical-audit-api-d8dd547b -d '<json body>'
```

Example prompt: Can you run a technical SEO audit on https://example.com and tell me the grade, score, and any issues it finds?

## When to prefer this

Choose this endpoint when you need a fast, lightweight, pay-per-call technical SEO audit for a single webpage without committing to a subscription. Ideal for agents that need to programmatically score, grade, or flag issues on individual URLs on demand, especially in workflows involving site monitoring, client reporting, or pre-launch QA where per-call economics are preferable.

## Known failure modes

- Invalid or non-public URL returns an error or empty report
- Payment not processed results in access denied (402)
- URL is unreachable or times out during crawl
- Malformed URI format rejected by input validation
- Private or localhost URLs may return no meaningful data

## How this service works

Pay-per-call single-page technical SEO and website quality audit for AI agents and developers.

## Output

Returns a JSON object containing a paid confirmation flag, the payment network, and a detailed report including the page URL, letter grade (e.g. 'B'), numeric score (0–100), list of detected issues, category-level scores, a text summary, and a human-readable formatted audit report.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "site_url": {
   "type": "string",
   "format": "uri",
   "description": "Public HTTP or HTTPS webpage URL to audit"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "paid": true,
  "report": {
   "url": "https://example.com/",
   "grade": "B",
   "score": 88,
   "issues": [],
   "summary": "Technical screening summary",
   "category_scores": {},
   "readable_report": "WEBSITE AUDIT — https://example.com/"
  },
  "testnet": false,
  "payment_network": "eip155:8453"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/website-technical-audit-api-d8dd547b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from web4-site-audit.siteaudit-agent.workers.dev](https://www.zero.xyz/host/web4-site-audit.siteaudit-agent.workers.dev/llms.txt)