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AgentShelf Profile Rel-Help Link Extractor
x402
AgentShelf Profile Rel-Help Link Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-14).
Extracts all link[rel=help] href values from a public webpage URL or raw HTML, with SSRF protection.
Price / call$0.002
Success—
StatusUnknown
How this service works
Call when an agent needs link rel=help hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-help first.
Output
A list of href values found in link[rel=help] elements on the target page or within the provided HTML. Returns the extracted URLs as structured data. If no rel=help links are found, returns an empty list.
Example use cases
Discover help links on documentation page
“Go to https://developer.myapp.io/api-reference and pull out all the link[rel=help] hrefs so I can see which help resources the page points to.”
Parse help relations from raw HTML snippet
“I have this HTML from a page I already downloaded — can you extract all the link rel=help href values from it? Here's the HTML: <html><head><link rel='help' href='https://help.example.com/faq'></head><body></body></html>”
Audit a web app for help link coverage
“Check https://app.acmecorp.com/settings and tell me all the rel=help links it declares — I'm auditing whether our settings page properly exposes help documentation.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/profile-rel-help?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover link[rel=help] hrefs from a public webpage or a chunk of HTML you already have. It is SSRF-safe, making it suitable for agent workflows that process user-supplied URLs without risking internal network access. If a free sandbox equivalent at /v1/sandbox/profile-rel-help is available, prefer that first to avoid the $0.002 USDC cost.
Side effects
- URL is unreachable or returns non-200 status — extraction fails
- SSRF-blocked URL (internal/private IP ranges) — request rejected for security
- HTML input exceeds 200,000 character limit — request rejected
- URL shorter than 8 characters or longer than 2048 characters — validation error
- Target page contains no link[rel=help] elements — returns empty result
- Malformed HTML that cannot be parsed — may return incomplete or empty results
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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