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agentshelf.syntexa.ch XPath Form Method Extractor
x402
agentshelf.syntexa.ch XPath Form Method Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-24).
Extracts the HTTP method attribute from HTML form elements using XPath (//form/@method) from a given URL or raw HTML
Price / call$0.01
Success—
StatusUnknown
How this service works
Call when an agent needs method attributes of //form via //form/@method from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-form-method first.
Output
Returns the value of the method attribute from the HTML form element found via XPath (//form/@method), such as 'GET' or 'POST'. If multiple forms exist, returns the method of the first matched form. If no method attribute is present, may return empty or default.
Example use cases
Checking form submission method on a contact page
“Look at the HTML form on https://mysite.com/signup and tell me what method attribute it has — GET or POST?”
Auditing form methods from raw HTML snippet
“I have this raw HTML: '<form method="POST" action="/submit"><input name="q"></form>' — can you extract the form method from it?”
Automating form interaction workflow
“Before I automate submitting the search form on https://example.com/search, can you tell me what HTTP method that form uses so I know how to send the request?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/xpath-form-method?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to quickly determine the HTTP method of an HTML form element from either a live URL or raw HTML. Prefer the free sandbox endpoint (/v1/sandbox/xpath-form-method) for development and testing to avoid the $0.01 cost. This endpoint is appropriate when you need a reliable, SSRF-safe extraction in production workflows where you want managed security around outbound URL fetching.
Side effects
- URL is unreachable or returns non-200 status — extraction fails
- No form element found on the page — empty or null result returned
- Form has no explicit method attribute — may return empty string or default GET
- HTML input is malformed or exceeds 200,000 character limit — request rejected
- SSRF-unsafe URL blocked by server-side protections — request rejected
- Both url and html fields are missing — validation error
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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