Try it out!
We have prepared a sample destination that can be used to test different queries with.
https://global.occtoo.com/occtoodemo/googleMarketplace/v3/openapi
To try the calling an Occtoo API go to https://editor-next.swagger.io/. From the menu select 'File' => 'Import URL' and enter the OpenAPI URL. The API does not require any authentication so once the previous step has been completed you are good to go!