I'm currently working on creating a custom connector for our company's customer API. The request URL works when listed as an action. However, when used as a trigger, it returns a 404 for Resource not Found.
I've noticed that when attempting to create the Poll Trigger, Flow automatically adds the "trigger" in the middle of the URL path. Is there any way to prevent/edit this?
Triggers are NOT supported for Custom APIs currently.
Microsoft team are actively working on a feature that will allow users to define triggers, (both webhook based and polling) in the near future.
You could refer to a same post as yours:
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