Fastest AIS call methodology

What is the fastest way to execute actions in a form using AIS REST calls?  For example, we have built an API call in a third party program.  Originally we designed this API call to first go to the end point .../tokenrequest, get a token and then make another call to the end point .../formservice.  There is simple logic on the form in question, it is not fetching hundreds or records, it is executing one BSFN with 4 input parameters and returning 4 values.  In the logs I see these AIS execution steps are taking up most of the API