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AgentShelf XPath Input Name Extractor
x402
AgentShelf XPath Input Name Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.007/call, status unknown (last checked 2026-09-29).
Extracts the name attributes of HTML input elements (via //input/@name XPath) from a given public URL or raw HTML string, in an SSRF-safe manner.
Price / call$0.007
Success—
StatusUnknown
How this service works
Call when an agent needs name attributes of //input via //input/@name from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/xpath-input-name first.
Output
Returns an array or list of name attribute values extracted from all //input elements found on the page or in the provided HTML, enabling the caller to identify form field names without manually parsing HTML.
Example use cases
Discover login form field names
“I need to know what input field names the login form at https://accounts.example.com/login uses — can you pull out all the name attributes from the input elements on that page?”
Analyze form structure from raw HTML
“Here's some raw HTML I captured from a checkout page — can you extract all the name attributes from the input elements so I can see what fields the form collects? Here's the HTML: <form><input name='email'/><input name='card_number'/><input name='cvv'/></form>”
Audit form fields for web automation
“I'm building a bot to fill out the survey at https://survey.example.org/q1 — what are the name attributes of all the input elements on that page so I know what fields to target?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/xpath-input-name?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover the name attributes of HTML input elements from a public page or raw HTML snippet — especially for form analysis, web automation setup, or data extraction pipelines. Prefer this over general-purpose HTML parsers when you specifically need input[name] values and want SSRF-safe fetching built in.
Side effects
- URL is unreachable or returns a non-200 status, resulting in an error response
- HTML input exceeds the 200,000 character limit, causing a validation error
- No input elements found on the page — returns an empty list
- SSRF-blocked URL (private IP ranges, localhost) results in a rejection
- Malformed HTML that cannot be parsed may yield incomplete or empty results
- URL string shorter than 8 characters or longer than 2048 characters fails validation
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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