{"uid":"cap_AyXIOxJGK7BhRew2ajoNy","slug":"wikidata-p31-instance-of-claims-lookup-84a35264","name":"Wikidata P31 'Instance Of' Claims Lookup","description":"Returns the 'instance of' (P31) Wikidata claims for a given entity id q. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/wikidata-claims","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PBkmmDDaHDG1mrXcTUktl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the 'instance of' (P31) Wikidata claims for a given entity ID, describing what type of thing an entity is.","exampleAgentPrompt":"What is Q42 classified as in Wikidata — can you fetch its 'instance of' (P31) claims so I know what type of entity it is?","exampleUseCases":null,"resultDescription":"A JSON object containing the P31 'instance of' Wikidata claims for the queried entity, listing the ontological types or classes the entity belongs to (e.g. human, city, organization).","failureModes":["Invalid or malformed Q-ID returns an error or empty claims","Entity ID does not exist in Wikidata returns empty or 404-like response","Entity exists but has no P31 claims returns empty claims array","Network or upstream Wikidata API timeout"],"whenToPreferThis":"Use this endpoint when you need to determine the ontological type or class of a Wikidata entity (e.g., whether it is a human, city, company, or film) using its Q-number. Prefer this over full Wikidata SPARQL queries when you only need the P31 property and want a fast, low-cost JSON response without querying the full Wikidata API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:44:22.379Z","isFirstParty":false}