{"uid":"cap_W0fR-EySmwC8mKDXOspmw","slug":"xpath-form-action-extractor-f66cfd13","name":"XPath Form Action Extractor","description":"Call when an agent needs action attributes of //form via //form/@action from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-form-action first.","url":"https://agentshelf.syntexa.ch/v1/xpath-form-action?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"minLength":8,"description":"Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html."},"html":{"type":"string","examples":["<!doctype html><html lang=\"en\"><head><title>Hello</title>\n<meta name=\"description\" content=\"Desc\"><meta property=\"og:title\" content=\"OG\">\n<link rel=\"canonical\" href=\"https://example.com/\"><link rel=\"icon\" href=\"/favicon.ico\">\n</head><body><h1>Hello</h1><a href=\"https://example.com/a\">A</a></body></html>"],"maxLength":200000,"minLength":1,"description":"HTML to extract from locally. Provide html or url. When both are set, html is used."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fvev-c8wO8uyq_Ot2uT0I","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts the action attribute (URL) from HTML form elements using XPath //form/@action, given a public page URL or raw HTML.","exampleAgentPrompt":"Can you extract the form action URL from the login page at https://example.com/login? I need to know where that form submits to.","exampleUseCases":[{"title":"Discover login form submission endpoint","prompt":"I need to find out where the login form on https://accounts.example.com/signin actually submits — can you pull the action attribute from that form?"},{"title":"Extract form action from raw HTML snippet","prompt":"I have this HTML: <form action=\"/submit/order\" method=\"post\">...</form> — can you extract the form action URL from it?"},{"title":"Automate web form interaction pipeline","prompt":"Before I automate filling out the contact form on https://company.com/contact, can you tell me what URL the form action points to?"}],"resultDescription":"Returns the value of the action attribute from the first or primary HTML form found on the page (via XPath //form/@action), typically a relative or absolute URL string indicating where the form submits.","failureModes":["URL is not publicly accessible or returns non-200 status — SSRF-safe filter rejects private/internal addresses","HTML contains no form element — returns empty or null result","Form has no action attribute — result may be empty","Raw HTML input exceeds 200,000 character limit — request rejected","URL string shorter than 8 characters — validation error","Private or loopback IP in URL rejected for SSRF safety"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover where an HTML form submits (its action URL) from either a live public URL or a raw HTML string. Prefer the free sandbox variant (/v1/sandbox/xpath-form-action) for testing or unpaid usage. Choose this paid endpoint for production workloads requiring reliable SSRF-safe extraction at $0.006 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:11.113Z","isFirstParty":false,"canonicalSlug":"xpath-form-action-extractor-f66cfd13"}