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Agentshelf Profile Caption Extractor
x402
Agentshelf Profile Caption Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-29).
Extracts caption text from a public web page URL or raw HTML, with SSRF protection.
Price / call$0.004
Success—
StatusUnknown
How this service works
Call when an agent needs caption text extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-caption first.
Output
Returns the extracted caption text found on the specified public web page or within the provided HTML, delivered as a string or structured response. The service applies SSRF-safe fetching when a URL is supplied, ensuring only public pages are accessed.
Example use cases
Extract bio from public profile
“Pull the caption or bio text from this public profile page for me: https://twitter.com/someuser — I just need the text description shown on their profile.”
Parse caption from pasted HTML
“I have some HTML from a webpage and I need you to extract just the caption text from it — here's the HTML: <html><head></head><body><p class='caption'>This is the caption.</p></body></html>”
Scrape tagline from brand page
“Can you fetch the caption or tagline text from this company's public page at https://company.com/about so I can use it in a report?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/profile-caption?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to extract caption text from a public web page or raw HTML in a secure, SSRF-safe manner. Prefer the free sandbox endpoint (POST /v1/sandbox/profile-caption) for testing or low-volume use before paying $0.004 USDC per call. Choose this over general-purpose scraping tools when you specifically need caption/bio/description text extraction with SSRF protection built in.
Side effects
- Invalid or non-public URL returns an error or empty result
- HTML input exceeding 200,000 characters is rejected
- SSRF-protected URLs (internal IPs, localhost) are blocked and return an error
- Malformed HTML may result in empty or incomplete caption extraction
- No caption text found on the page returns an empty or null 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
Reviews
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