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Wikidata P31 'Instance Of' Claims Lookup
x402
Wikidata P31 'Instance Of' Claims Lookup is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Returns the 'instance of' (P31) Wikidata claims for a given entity ID, describing what type of thing an entity is.
Price / call$0.02
Success—
StatusUnknown
How this service works
Returns the 'instance of' (P31) Wikidata claims for a given entity id q. Query: ?q= Returns JSON.
Output
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).
Example use cases
Example prompt
“What is Q42 classified as in Wikidata — can you fetch its 'instance of' (P31) claims so I know what type of entity it is?”
Technical details
Endpoint
POSThttps://clonecho.builda.company/x402/s/wikidata-claimsWhen to prefer
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.
Side effects
- 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
Tags
x402
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