query: #Websites with OpenAPI endpoints
  SELECT ?database ?databaseLabel ?value WHERE {
    ?database ?p ?wds.
    ?wds ?v ?value.
    ?wdP wikibase:statementProperty ?v.
    ?wdP wikibase:claim ?p.
    ?wds pq:P31 wd:Q26261192.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }