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AgentShelf CSS Textarea Name Extractor
x402
AgentShelf CSS Textarea Name Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-29).
Extracts the `name` attribute values of all `<textarea>` elements from a given public webpage URL or raw HTML string.
Price / call$0.003
Success—
StatusUnknown
How this service works
Call when an agent needs textarea names via textarea[name] from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/css-textarea-name first.
Output
Returns a list of `name` attribute values found on all `<textarea name="...">` elements in the provided URL or HTML. If no textarea names are found, returns an empty list. The response reflects what CSS selector `textarea[name]` would match on the parsed document.
Example use cases
Form field discovery for automation
“I'm building a form-filling bot and need to know all the textarea names on https://feedback.example.com/survey so I can map my data to the right fields.”
Audit form inputs on a web page
“Can you scan https://support.acme.com/ticket and tell me the name attributes of every textarea element on that page? I'm auditing their form structure.”
Extract textarea names from raw HTML
“Here's some HTML I dumped locally — can you pull out all the textarea name values from it so I can see which input fields are present?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/css-textarea-name?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover the `name` attributes of textarea inputs on a public web page or a known HTML snippet — particularly for form analysis, automation mapping, or web scraping workflows. Prefer the free sandbox POST /v1/sandbox/css-textarea-name first; use this paid endpoint when the sandbox is unavailable or rate-limited. Choose this over a general HTML parser when you want a focused, SSRF-safe single-selector extraction without building your own scraping infrastructure.
Side effects
- URL is unreachable or returns non-200 response — extraction fails with an error
- HTML input exceeds 200,000 character limit — request rejected
- URL points to non-HTML content (e.g. PDF, image) — no matches returned
- Page has no textarea elements with name attributes — returns empty result
- SSRF-blocked URL (private IP range, localhost) — request rejected for security
- Malformed HTML may result in incomplete parsing and missed matches
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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