{"uid":"cap_-C4WC7Jj0_ffh4MV1dqrw","slug":"delx-commerce-open-entities-search-wikidata-353adeab","name":"Delx Commerce — Open Entities Search (Wikidata)","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/open-entities-search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","maxLength":120,"minLength":1},"timeout":{"type":"integer","default":8,"maximum":8,"minimum":2},"max_records":{"type":"integer","default":10,"maximum":10,"minimum":1}}},"responseSchema":{"type":"json","example":{"result":{"cache":"miss","count":1,"query":"Fortaleza","scope":"open_entities","schema":"delx/open-entities-search/v1","results":[{"id":"Q43433","url":"https://www.wikidata.org/wiki/Q43433","label":"Fortaleza","concept_uri":"https://www.wikidata.org/entity/Q43433","description":"municipality in Brazil"}],"language":"en","provider":"Wikidata","attribution":"Structured data supplied by Wikidata under CC0; preserve the entity ID and source link. This result contains public entity metadata only.","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","max_records":3,"provider_url":"https://www.wikidata.org/"},"tool_name":"search_open_entities"}},"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_iMiEDiWj6i_dwJzKPLh3X","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":"Searches Wikidata's open knowledge graph for structured entity records matching a text query, returning entity IDs, labels, descriptions, and source URLs.","exampleAgentPrompt":"Search the open knowledge graph for 'Fortaleza' and return up to 5 entity results with their Wikidata IDs and descriptions.","exampleUseCases":[{"title":"Resolve city name to structured entity","prompt":"Look up 'Lyon' in the open entities knowledge graph and give me its Wikidata ID, canonical description, and source link."},{"title":"Identify historical figure entity","prompt":"Search for 'Ada Lovelace' in Wikidata's open knowledge base and return her entity ID and description — I need to enrich a dataset with canonical identifiers."},{"title":"Disambiguate an ambiguous concept name","prompt":"Find the Wikidata entity for 'Mercury' — I want up to 3 results so I can see the different meanings and pick the right one for my knowledge graph."}],"resultDescription":"A JSON object containing the search query, provider (Wikidata), result count, and an array of matching entities. Each entity includes a Wikidata entity ID (e.g. Q43433), a human-readable label, a short description, a concept URI, and a URL to the Wikidata page. Also includes cache status, language, license URL (CC0), and attribution text.","failureModes":["Empty results array if no entity matches the query string","Timeout if provider response exceeds the configured timeout (2–8 seconds)","Invalid input if query is empty or exceeds 120 characters","Rate-limiting or payment failure if USDC payment via x402 is not processed correctly"],"whenToPreferThis":"Choose this endpoint when you need structured, canonical entity metadata (IDs, descriptions, URIs) from Wikidata's open knowledge graph at low cost ($0.001/call) without requiring an API key or account. Prefer it over raw Wikidata API calls when you want a normalized, agent-ready response with attribution and license metadata pre-included. Best for entity resolution, knowledge graph enrichment, and named entity disambiguation tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:42.249Z","isFirstParty":false,"canonicalSlug":"delx-commerce-open-entities-search-wikidata-353adeab"}