Hello Guys,
i am trying to get Data from an API by requesting via HTTP Activity. I want to use a "Last-Modified"-Header to get just the newest entries.
I tested the request with postman and it works properly. The Power Automate Activity delivers always all entries and "ignores" the "Last-Modified" Header. See Screenshots below for clarification.
1. Screenshot from the Activity Panel
2. Screenshot Raw sent HTTP Header
3. Screenshot Raw get HTTP Header
The Server accepts the Date Format, when using postman.
What am i doing wrong?


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