 adopting the Gateway API opens a service mesh up to compatibility with the whole ecosystem of software that is written to support it. You don&rsquo;t have to ask your vendor to support Istio routing directly: all they need to do is create Gateway API objects, and Istio will do what it needs to do, out of the box.</p><h2 id=support-for-the-gateway-api-in-istio>Support for the Gateway API in Istio</h2><p>Istio added <a href=/v1.19/docs/tasks/traffic-management/ingress/gateway-api/>support for the Gateway API