{"uid":"cap_JTHpZuXQxu4iI-Wyp4IVp","slug":"signalharness-schema-org-extractor-ec55b7c1","name":"SignalHarness Schema.org Extractor","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/schema_org_extract/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","pattern":"^https://","maxLength":2048,"minLength":9},"html":{"type":"string","maxLength":65536,"minLength":1},"baseUrl":{"type":"string","pattern":"^https://","maxLength":2048,"minLength":9}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"entities":[{"id":"example","types":["example"],"valueJson":"example"}],"warnings":["Verify the caller-supplied data before relying on this result."],"typeIndex":[{"ids":["example"],"type":"example"}],"entityCount":0,"relationships":[{"to":"example","from":"example","kind":"example"}]},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"schema_org_extract","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"0ffabd1323aa846e93b577eebbbb6107ab3669ce3d2efb57b1b206b65a26d83e","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Kfj_f2OgZlE23WzZd_w8f","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts structured Schema.org entities, relationships, and type metadata from a webpage URL or raw HTML content","exampleAgentPrompt":"Can you extract all the Schema.org structured data entities and relationships from https://example.com/product/widget — I want to see what types are present, the entities themselves, and any warnings about the markup?","exampleUseCases":[{"title":"Product page schema analysis","prompt":"Pull all the Schema.org entities from https://shop.acme.com/products/blue-sneakers — I want to know what structured data types they're using, the product details encoded in the markup, and whether there are any issues with it."},{"title":"SEO audit for structured data","prompt":"Extract the Schema.org structured data from this HTML I'm pasting — it's the source of our homepage — so I can audit what entities and types Google would see when crawling it."},{"title":"Knowledge graph enrichment from web pages","prompt":"I have a URL at https://en.wikipedia.org/wiki/Albert_Einstein — can you extract all the Schema.org entities and relationships from that page so I can add them to my knowledge graph?"}],"resultDescription":"Returns a JSON object containing an array of extracted Schema.org entities, a list of entity relationships, a type index mapping entity types, an entity count, and any parsing warnings. Also includes a receipt with payment confirmation details, execution metadata, and a SHA-256 hash of the result for verification.","failureModes":["URL not accessible or returns non-200 status — entity array will be empty","HTML content exceeds 65,536 character limit — request rejected","No Schema.org markup present on the page — returns empty entities array with possible warnings","Invalid URL format (not starting with https://) — schema validation error","Malformed or non-standard Schema.org markup — warnings returned with partial extraction"],"whenToPreferThis":"Choose this endpoint when you need to programmatically extract Schema.org structured data (JSON-LD, Microdata, RDFa) from webpages and want clean, typed entity and relationship output. Ideal for SEO audits, knowledge graph construction, product data extraction, or enriching datasets with structured web content. Prefer this over generic HTML parsers when you specifically need Schema.org semantics and relationship graphs rather than raw DOM content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:50:52.086Z","isFirstParty":false}