Invalid HostName error with PUT but not with GET

I just started using Postman AND APIs.
Using Postman I am able to GET a valid response with good data.
But when I try to use a PUT to update, I get a [Bad request - Invalid Hostname] error. Oddly enough, I’m using the same hostname! Only the GUID and endpoint are changed (I hope I’m using the correct terminology).

I am attaching screenshots of both a good and bad call.

@mdiaz1328 Welcome to the Community :partying_face:

Usually for PUT request, the entire payload to be passed along with the changed attributes. Could you please try it?

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