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Wikidata Entity Search (Q-ID Lookup)
x402
Wikidata Entity Search (Q-ID Lookup) is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-03).
Searches Wikidata to find the canonical Q-identifier (e.g. Q76, Q2) for any named person, company, place, concept, or thing
Price / call$0.002
Success—
StatusUnknown
How this service works
Wikidata entity search (find the Q-id for any person, company, place, thing) — Genesis402 / UnyKorn Operator Network
Output
Returns a ranked list of matching Wikidata entities, each with a Q-ID (e.g. Q76), a human-readable label, a short description disambiguating the entity, and a link to its Wikidata page. Up to 20 results can be returned per query (default 5).
Example use cases
Entity disambiguation for knowledge graph
“I'm building a knowledge graph and need the Wikidata Q-ID for 'Apple' — can you search Wikidata and return the top 5 results so I can tell whether it's the company or the fruit?”
Linking historical figure to structured data
“Can you find the Wikidata Q-ID for Marie Curie so I can link her to external structured datasets?”
Resolving a place name to canonical ID
“What's the Wikidata Q-ID for the city of Nairobi? Just give me the top result.”
Technical details
Endpoint
POSThttps://twin.unykorn.org/research/wikidata-search?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to resolve a named entity (person, organization, location, concept) to its canonical Wikidata Q-identifier, particularly for knowledge graph enrichment, linked data pipelines, or entity disambiguation. Prefer this over a general web search when you specifically need a structured, machine-readable Wikidata ID rather than web page links or prose descriptions.
Side effects
- No matching entities found for an obscure or misspelled query — returns empty result list
- Ambiguous query returns many unrelated entities requiring manual disambiguation
- Rate limiting or upstream Wikidata API unavailability — may return 5xx error
- Invalid limit parameter (outside 1–20 range) returns a validation error
- Non-string or missing 'q' parameter causes a 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"type": "wikidata-search",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.002,
"receipt_id": "g402-<16hex>"
},
"sources": [
{
"ok": true,
"name": "<source>"
}
],
"limitations": "<text>",
"generated_at": "<iso time>",
"evidence_hash": "sha256:<64hex>"
}
}Tags
x402
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