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AMP HTML Link Extractor
x402
AMP HTML Link Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-02).
Extracts AMP HTML href URLs from the link[rel='amphtml'] tag of a given public webpage or raw HTML string
Price / call$0.004
Success—
StatusUnknown
How this service works
Call when an agent needs AMP HTML hrefs via link[rel='amphtml'] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-link-amp first.
Output
Returns the href URL found in the page's link[rel='amphtml'] tag — the canonical AMP version of the given page. If no AMP link is present, returns null or an empty result. May include a status indicator of whether the AMP link was found.
Example use cases
SEO audit for AMP coverage
“I want to check if https://www.techcrunch.com/2024/01/15/some-article/ has an AMP version — can you pull the amphtml href from that page?”
AMP redirect for mobile pipeline
“I have this HTML snippet from a news article and I need you to extract the AMP link from the link[rel='amphtml'] tag so I can redirect mobile users to it.”
Verify AMP version before indexing
“Before I submit this article URL to our indexer, can you grab the AMP HTML href from https://www.bbc.com/news/technology-12345678 so I can confirm it has an AMP version?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/css-link-amp?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover the AMP (Accelerated Mobile Pages) URL of a public webpage, either by providing a URL to fetch and parse or by supplying raw HTML directly. Prefer the free sandbox version (/v1/sandbox/css-link-amp) first if available to avoid the $0.004 USDC charge. Choose this over general-purpose HTML scrapers when your specific need is just the AMP link, as it is SSRF-safe and purpose-built for this single extraction task.
Side effects
- URL is not publicly accessible or returns a non-200 status — endpoint may return an error or empty result
- No link[rel='amphtml'] tag exists on the page — returns null or empty href
- SSRF-restricted URL (private IP ranges, localhost) — rejected for security reasons
- HTML input exceeds 200,000 character limit — request rejected
- URL shorter than 8 characters — validation error
- Malformed HTML that cannot be parsed — may return empty result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html. |
| html | string | HTML to extract from locally. Provide html or url. When both are set, html is used. |
Tags
x402
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