I ran a new test and this is what is shown:
It seems that it is passing the same minus the “filename=” part, but not actually parsing it as form values. Could it be related to the fact that on the header it is not passing the boundary to identify each part?
Not sure if this is a flaw on the API itself that cannot parse this request body and extract the values of “client_id” and “client_secret” from it. Just in case, this is the API endpoint I am trying to pass the data to: