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SiteCheck Website Audit API
x402
SiteCheck Website Audit API is a paid API for AI agents from api.sitecheck-api.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-01).
Audits a website URL and returns SEO, security, accessibility, and technology stack information
Price / call$0.02
Success—
StatusUnknown
How this service works
Website audit in one call: WCAG 2.2 accessibility issues (European Accessibility Act) with fixes and a score, SEO basics, security headers and tech stack.
Output
Returns a JSON object containing: the final resolved URL, SEO metadata (e.g. page title), detected technology stack (e.g. Shopify, WordPress), security posture (e.g. HSTS enabled/disabled), and an accessibility report with a numeric score and a list of issues including WCAG rule codes, severity, count, and suggested fixes.
Example use cases
Pre-launch landing page audit
“Before we go live, can you run a full audit on staging.mystore.com and flag any critical accessibility issues and missing SEO metadata?”
Competitor tech stack research
“I want to know what technologies competitor.com is built on — can you scan it and also check if they have HSTS and basic security headers set up?”
Accessibility compliance check
“Can you audit acme.com for WCAG accessibility violations, give me the score, and list all the critical issues I need to fix?”
Technical details
Endpoint
GEThttps://api.sitecheck-api.workers.dev/api/audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, single-call website audit covering SEO, security, accessibility, and tech stack in one response without requiring an API key or signup. It is ideal for pay-per-use agent workflows using x402/USDC on Base where you want to avoid subscription overhead. Prefer it over dedicated SEO tools when a broad multi-category snapshot is needed rather than deep crawling.
Side effects
- Invalid or unreachable URL returns an error or empty result
- Timeout if the target website is slow to respond
- Paywalled or bot-blocked websites may return incomplete data
- Malformed domain input (missing TLD) may fail schema validation
- x402 payment failure if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"seo": {
"title": "Example"
},
"url": "https://example.com/",
"tech": [
"Shopify"
],
"security": {
"hsts": true
},
"accessibility": {
"score": 85,
"issues": [
{
"fix": "Add alt text",
"rule": "image-alt",
"wcag": "1.1.1",
"count": 3,
"severity": "critical"
}
]
}
}
}Tags
x402
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