Wikidata entity search API

Resolve a name to structured Wikidata knowledge-graph entities (stable IDs, labels, descriptions) — for disambiguation and entity linking. Answers 'what is the Wikidata ID for X', 'which entity is this', 'disambiguate this name'.

Price$0.01per request

MethodPOST

Route/v1/data/wikidata

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache3600s public

datawikidataentityknowledge-graphdisambiguationlinked-data

API URLhttps://x402.hexl.dev/v1/data/wikidata

Integration docs

Example request

{
  "query": "Ethereum"
}

Example response

{
  "query": "Ethereum",
  "entities": [
    {
      "id": "Q167835",
      "label": "Ethereum",
      "description": "blockchain computing platform",
      "url": "https://www.wikidata.org/wiki/Q167835"
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string"
    },
    "limit": {
      "type": "number",
      "default": 7
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}