You can review the Capabilities metadata document to discover if an action supports asynchronous requests.
https://sam.spclouddave.com/SampleService/Sppid/V2/Capabilities/$metadata
<Annotations Target="Com.Ingr.Sppid.V1.ExecuteParametricFilter(
Com.Ingr.Sppid.V1.ParametricFilter,
Com.Ingr.Core.V1.ObjectHierarchy,
Collection(Edm.String), Edm.String)">
<Annotation Term="Com.Ingr.Capabilities.V1.AsynchronousRequestsSupported" Bool="true" />
</Annotations>
As shown, the ExecuteParametricFilter action does support asynchronous requests. See Notes on asynchronous execution flow for details on calling the action asynchronously.