Allow additional REST Headers
An extremely common authentication method in the REST world is using an Auth token, which is passed in with every REST call as a header.
K2 doesn't allow the addition of headers. There is a default header setting for the service broker but auth tokens are both short lived and shouldn't be placed in an insecure location. So I can't use this as an option.
This hinders me from using many REST services. Please allow the addition of REST Headers.

Thank you for your feedback. Per the discussion on community (https://community.nintex.com/t5/K2-Five-Forum/How-to-pass-HTTP-Request-header-for-REST-Service/td-p/191877), this is possible using the HttpHeader service object and the setting in the REST service instance.
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Paul K commented
Err - can you not set the
"Add HTTP Request Header Property To Methods" service instance value to true?