We now have better documentation [1] on how to use WCQS with OAuth, in particular how to use it programmatically. If anything is unclear, please let us know via the Discussion page [2].

Thanks to Erik for writing that documentation and validating that it actually works as expected!

Have fun!

   Guillaume

[1] https://commons.wikimedia.org/wiki/Commons:SPARQL_query_service/API_endpoint
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