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SiteSignal Canonical Hreflang Indexing Snapshot
x402
SiteSignal Canonical Hreflang Indexing Snapshot is a paid API for AI agents from phases-prot-shine-royal.trycloudflare.com, paid per call via x402, $0.025/call, status down (last checked 2026-09-15).
Fetches and inventories a public webpage's canonical URLs, hreflang alternates, indexing directives, navigation relations, viewport, referrer policy, and invalid link references.
Price / call$0.025
Success—
StatusDown
How this service works
Inventory one public page's canonical URLs, hreflang alternates, indexing directives, navigation relations, viewport, referrer policy, and invalid link references.
Output
Returns a structured snapshot of the page's canonical URL, hreflang alternate links with their language/region codes, indexing directives (noindex, nofollow, etc.), navigation relation links (prev/next), viewport meta content, referrer policy value, and any detected invalid or malformed link references — all sourced from the live public page.
Example use cases
International SEO hreflang audit
“Check https://www.acmecorp.com/products for all hreflang alternate tags and flag any that have invalid or broken link references — I'm auditing our international SEO setup.”
Canonical tag verification for landing page
“Pull the canonical URL and noindex/nofollow directives for https://www.mybrand.com/sale/summer — I want to confirm there are no accidental indexing blocks before we launch.”
Referrer policy and viewport meta review
“Inspect https://www.startup.io/about for viewport meta, referrer policy, and any navigation relation tags — I'm doing a technical SEO health check on that page.”
Technical details
Endpoint
GEThttps://phases-prot-shine-royal.trycloudflare.com/x402/seo-directivesWhen to prefer
Choose this endpoint when you need a focused, single-page technical SEO snapshot covering canonical, hreflang, and indexing signals without a full crawl. It is ideal for auditing individual landing pages, verifying international SEO alternate tags, or checking indexing directives before or after a deployment. Prefer this over a full sitemap or crawl tool when you only need on-page metadata signals for one specific URL.
Side effects
- URL is not publicly accessible or returns a non-2xx status — endpoint returns an error
- Page has no canonical or hreflang tags — fields returned empty or null
- URL parameter missing or malformed — request validation error
- Limit parameter out of range (below 1 or above 100) — validation error
- Cloudflare or target server rate-limiting — timeout or 429 response
- Non-HTML content type at URL (e.g. PDF) — may return empty or partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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