We have 4 stateless services microservice in service fabrics which are using Kestrel as server. We need to expose those 4 services to the front end and have question regarding e
By OWIN I'm assuming you're referring to Katana with Web API 2, which both implement OWIN.
In that case, the choice is really between "classic" Web API 2 with Katana and the newer ASP.NET Core with WebListener. I always recommend ASP.NET Core with WebListener for a few reasons: