Public data APIs

Wikidata Query Service

A SPARQL query interface for exploring Wikidata's open structured knowledge graph.

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What it is

Wikidata Query Service is a dense public data rabbit hole: a small query can reveal how open identifiers connect across many domains.

Why worth a look

A SPARQL query interface for exploring Wikidata's open structured knowledge graph.

Good for

  • Asking structured questions across people, places, works, and identifiers.
  • Learning how linked open data is modeled in practice.

How to start

  1. Open an example query before writing your own SPARQL.
  2. Start with one entity and one relationship, then expand.

Best first click

Open Wikidata Query Service and start here: Open an example query before writing your own SPARQL.

Trust facts

Pricing
Free
Login required
No
Open source
No
API available
Yes
License
Open data or API terms; verify the source documentation.
Risk
Pricing, login requirements, and availability can change; last human check: 2026-07-08.

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