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Wikidata Entity Search
x402
Wikidata Entity Search is a paid API for AI agents from wikidata-facts.x402tookit.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-21).
Search Wikidata by name and return candidate Q-ids with labels, descriptions, and instance-of hints for disambiguation.
Price / call$0.03
Success—
StatusUnknown
How this service works
Search Wikidata by name; returns candidate Q-ids with descriptions and instance-of hints to disambiguate.
Output
Returns a ranked list of up to 10 candidate Wikidata entities matching the search query, each with a Q-id, Wikidata URL, display label, short description, the text and type that triggered the match, and a list of instance-of type labels. Also includes query metadata, source attribution, a summary, an ambiguity flag, and the language used.
Example use cases
Disambiguating a famous name before fact-fetching
“I need the Wikidata Q-id for 'Victoria' — can you search Wikidata and show me the top candidates with descriptions so I can tell which one is Queen Victoria the monarch?”
Resolving a city name for data enrichment
“Search Wikidata for 'Springfield' and give me up to 10 candidates with their instance-of types so I can figure out which one is the city in Illinois.”
Finding a company entity before linking external data
“Look up 'Tesla' on Wikidata and return the matching Q-ids with descriptions — use 'company' as a hint so the automaker comes first rather than the inventor.”
Technical details
Endpoint
GEThttps://wikidata-facts.x402tookit.com/entity-search?utm_source=zero.xyzWhen to prefer
Use this endpoint as the first step when you have an entity name and need its Wikidata Q-id before fetching detailed facts, properties, or linked identifiers. It is ideal when the name is ambiguous (e.g. 'Paris', 'Mercury', 'Victoria') and you need instance-of and description hints to pick the right entity. Prefer this over direct property lookups when you don't already know the Q-id.
Side effects
- No candidates found for very obscure or misspelled names — returns empty results array
- Rate limiting or payment failure (x402) if USDC payment is not completed
- Ambiguity not resolved if hint is too vague — multiple high-scoring candidates returned
- Language code not supported — falls back to English or returns error
- Limit parameter outside 1–10 range may be rejected or clamped
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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