On Wed, Jul 26, 2017 at 5:41 PM, Kenan Erdogan <Kenan.Erdogan@gesis.org> wrote:

Here is an exmaple query: https://en.wikipedia.org/w/api.php?action=parse&format=json&preview=False&text=[[foo]]+{{Infobox%20writer%20|%20name%20%20%20%20%20%20%20%20%20=%20Test|%20ethnicity%20%20%20%20=%20[[test]]}}

Note that preview=False will actually set the preview parameter to true. See the API doc about datatypes:
https://en.wikipedia.org/w/api.php?action=help&modules=main#main.2Fdatatypes