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AgentShelf XPath Aside Extractor
x402
AgentShelf XPath Aside Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.006/call, status unknown (last checked 2026-10-02).
Extracts the text content of all <aside> elements from a public URL or provided HTML using XPath, returning deduplicated sidebar/aside text.
Price / call$0.006
Success—
StatusUnknown
How this service works
Call when an agent needs text of //aside via //aside from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-aside first.
Output
Returns the extracted text content from all <aside> elements found in the target page or HTML, deduplicated and cleaned, allowing agents to isolate supplementary, sidebar, or callout content from the main page body.
Example use cases
Extract sidebar tips from article
“Pull out all the aside or sidebar content from https://www.smashingmagazine.com/2024/01/css-tips — I want the text from those supplementary callout boxes separate from the main article body.”
Parse asides from raw HTML snippet
“I have this HTML from a news article — can you extract just the text inside all the <aside> elements from it? Here's the HTML: <html><body><p>Main content</p><aside>Related: See our guide on X</aside></body></html>”
Monitor sidebar content on a public page
“Grab the aside section text from https://docs.python.org/3/library/functions.html so I can see what notes or warnings are highlighted in the sidebar blocks.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/xpath-aside?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to isolate <aside> element text from a public web page or raw HTML — for example, to extract sidebar notes, callout boxes, related-content blocks, or supplementary information that is semantically separated from the main body content. Prefer the free sandbox endpoint (/v1/sandbox/xpath-aside) for testing. Choose this over general full-page scrapers when you only want aside/sidebar content and not the full page text.
Side effects
- URL is not publicly accessible or returns non-200 status — endpoint may return an error or empty result
- No <aside> elements found in the page or HTML — returns empty result
- HTML input exceeds 200,000 character limit — request rejected
- URL string shorter than 8 characters or longer than 2048 characters — validation error
- SSRF-protected URLs (private IP ranges, localhost) blocked — returns error
- Malformed HTML may result in incomplete or no extraction
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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