{"uid":"cap_gWemcNsOWIy11628XeCrD","slug":"agentshelf-h4-text-extractor-dc0708b8","name":"AgentShelf H4 Text Extractor","description":"Call when an agent needs h4 text extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-h4 first.","url":"https://agentshelf.syntexa.ch/v1/profile-h4?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":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Oays6aODf9gPJwuchuxiU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all H4 heading text from a public webpage or provided HTML content in an SSRF-safe manner.","exampleAgentPrompt":"Can you pull out all the H4 headings from this page: https://example.com/docs/api-reference? I need just the H4 text, nothing else.","exampleUseCases":[{"title":"API docs section discovery","prompt":"I need to see all the H4 headings on https://stripe.com/docs/api to understand how the documentation is structured — can you extract them for me?"},{"title":"Content audit from raw HTML","prompt":"I have this big chunk of HTML from our CMS export — can you pull out every H4 heading from it so I can audit what sub-sections we have?"},{"title":"Competitor page structure analysis","prompt":"Can you extract all the H4 headings from https://competitor.com/features so I can see how they organize their feature descriptions?"}],"resultDescription":"A list of H4 heading text strings extracted from the given URL or HTML input, returned in document order. Each entry contains the plain text content of an H4 element found on the page.","failureModes":["URL is unreachable or returns non-200 status — extraction fails with an error","HTML input exceeds 200,000 character limit — request rejected","URL is blocked by SSRF safety rules (e.g. internal/private IP ranges) — request rejected","Page contains no H4 elements — returns empty list","Malformed HTML may result in incomplete or unexpected extraction"],"whenToPreferThis":"Use this endpoint when you need specifically H4-level headings extracted from a page or HTML blob, and you want SSRF-safe fetching without running your own scraper. Prefer this over generic scraping tools when you only need H4 content and want a lightweight, cost-efficient ($0.001 USDC) extraction. Use the free sandbox endpoint /v1/sandbox/profile-h4 first for testing before paying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:26.803Z","isFirstParty":false,"canonicalSlug":"agentshelf-h4-text-extractor-dc0708b8"}