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Sitemap Validator & Health Checker
x402
Sitemap Validator & Health Checker is a paid API for AI agents from api.webbersites.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Finds, validates, and health-checks a website's XML sitemap — including discovery via robots.txt, index handling, lastmod validation, and dead-link sampling
Price / call$0.001
Success—
StatusUnknown
How this service works
Sitemap validator: finds the sitemap (direct URL, robots.txt declaration, or /sitemap.xml), handles sitemap indexes, validates entries and lastmod dates, flags cross-host URLs and oversize files, and health-checks a sample of listed URLs for dead pages. ?url=site root or sitemap URL
Output
Returns whether a sitemap was found, the sitemap URL discovered, a verdict string summarizing overall health, total URL count, flags for cross-host URLs and oversize files, and a sample_health array showing which listed URLs are live or returning errors.
Example use cases
Pre-launch sitemap health check
“We're about to launch our new site at staging.mybrand.com — can you run a full sitemap check on it, find the sitemap automatically, validate all the entries and dates, and flag any dead links or weird cross-host URLs before we go live?”
SEO audit for broken sitemap links
“I'm doing an SEO audit on clientsite.com and I want to know if their sitemap is set up correctly — check if it's declared in robots.txt, validate the lastmod dates, and tell me if any of the listed URLs are returning errors or dead pages.”
Monitor sitemap after site migration
“We just migrated our site to a new domain and I need to make sure the sitemap is still healthy — can you check shop.newdomain.com, discover the sitemap, and let me know if there are any leftover cross-host URLs pointing to the old domain or any broken links showing up?”
Technical details
Endpoint
GEThttps://api.webbersites.com/api/seo/sitemap-checkWhen to prefer
Use this endpoint when you need to validate the full sitemap pipeline for a site — including automatic discovery, index traversal, lastmod correctness, and live URL sampling — rather than just fetching a known sitemap URL manually. Ideal for SEO audits, site health monitoring, and pre-launch technical checks.
Side effects
- Site has no sitemap and robots.txt gives no hint — found:false returned
- Sitemap URL is inaccessible or returns 4xx/5xx — connection error reported
- Extremely large sitemap index with thousands of child sitemaps may time out
- robots.txt itself is unreachable — discovery falls back to /sitemap.xml probe
- Malformed XML in sitemap causes parse failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"type": "urlset",
"found": true,
"verdict": "good",
"url_count": 342,
"sitemap_url": "https://example.com/sitemap.xml",
"with_lastmod": 342,
"sample_health": [
{
"ok": true,
"url": "https://example.com/",
"status": 200
}
]
}
}Tags
x402
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