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258I'm trying to set up a custom connector for a REST API I'm using in Power Apps so we don't have to use Flows anymore. Calls to this API using the HTTP connector in Power Automate work fine, but when I try to recreate those same calls as a custom connector, I consistently get "Operation failed (502), see response below" like in this screenshot.
This happens regardless of whether I import the API as a Postman collection or try to start from scratch (the screenshot above is from a smaller test connector I made that just uses 1 of the available functions). Tests for this connector always return the same result seen above regardless of what values (if any) are given in the query parameters. We do not host or have creative privileges over the API because it is hosted by another business, so I cannot make any CORS changes. The API doesn't have any public documentation that I'm aware of, so I cannot publicly post the Swagger setup for the connector. What do I do?
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