{"uid":"cap_0P5tJo2JBZEqQQ7rPtB7D","slug":"css-form-action-extractor-ssrf-safe-6d83acad","name":"CSS Form Action Extractor (SSRF-safe)","description":"Call when an agent needs form actions via form[action] from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/css-form-action first.","url":"https://agentshelf.syntexa.ch/v1/css-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 charset=\"utf-8\"><meta name=\"description\" content=\"Desc\">\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":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TioricrmA91jaRSnyV1RG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts the form action URL from a public webpage or raw HTML using CSS selectors, with SSRF protection.","exampleAgentPrompt":"Can you extract the form action URL from this page — https://example.com/contact — so I know where the form submits to?","exampleUseCases":[{"title":"Automate web form submission","prompt":"I need to find out what URL this contact form submits to — can you pull the form action from https://example.com/contact so I can automate filling it out?"},{"title":"Parse form endpoint from raw HTML","prompt":"I have this raw HTML snippet from a login page — can you extract the form action attribute from it so I know where the credentials get posted?"},{"title":"Audit third-party form destinations","prompt":"Check this public page at https://partner-site.com/signup and tell me where their form action points to — I want to verify it's not sending data somewhere unexpected."}],"resultDescription":"Returns the value of the form[action] attribute found in the provided page URL or raw HTML, giving the agent the URL to which the form submits.","failureModes":["No form element found in the HTML — returns an error or empty result","URL is unreachable or returns non-200 status","SSRF protection blocks internal/private IP addresses or localhost URLs","HTML exceeds the 200,000 character maximum","URL exceeds the 2,048 character maximum","Malformed HTML prevents CSS selector from matching","Multiple forms present — may return only the first match"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover the submission target of an HTML form from a public URL or raw HTML, especially when SSRF safety is required. Prefer the free sandbox endpoint /v1/sandbox/css-form-action for testing. Choose this paid endpoint for production use where reliability and SSRF protection matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:23.029Z","isFirstParty":false,"canonicalSlug":"css-form-action-extractor-ssrf-safe-6d83acad"}