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Wikidata Entity Search
x402
Wikidata Entity Search 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).
Searches the Wikidata knowledge base for entities (people, companies, places) by label and returns matching entity data as JSON.
Price / call$0.02
Success—
StatusUnknown
How this service works
Wikidata knowledge-base entity search (people, companies, places) by label (q) Query: ?q= Returns JSON.
Output
A JSON array or object of Wikidata entities matching the query label, including entity IDs (Q-numbers), labels, descriptions, and entity types for people, companies, or places.
Example use cases
Example prompt
“Can you search Wikidata for the entity matching 'Marie Curie' and give me the structured knowledge-base results including her entity ID and description?”
Technical details
Endpoint
POSThttps://clonecho.builda.company/x402/s/wikidata-entity-searchWhen to prefer
Use this endpoint when you need to resolve a real-world name (person, organization, or place) to a structured Wikidata entity with a Q-identifier, especially for knowledge-graph enrichment, entity linking, or fact-checking tasks. Prefer this over general web search when you need canonical, structured, machine-readable entity data from the Wikidata knowledge base.
Side effects
- No matching entities found for the given label — returns empty results or 404
- Ambiguous label returns multiple entities requiring further disambiguation
- Wikidata service temporarily unavailable — upstream timeout or 503
- Malformed or missing query parameter returns error response
- Non-English labels may return fewer or no results depending on Wikidata coverage
Tags
x402
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