I'm creating a Custom Connector and can't seem to get the final "/" on the query URL.
Could you please share a bit more about your Host Path that you typed within your custom connector?
I assume that the Host Path that you typed within your custom connector is myCompany.com, please take a try to type the following URL path within the URL field of "Import from sample" panel:
then try your custom connector again, check if the issue is solved.
More details about customizing connector within PowerApps, please check the following article:
In addition, please also check if you have typed proper request URL Path which must match the URL patch defined within your OpenAPI definition file.
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