diff --git a/api/api.go b/api/api.go
index be267221..7226b808 100644
--- a/api/api.go
+++ b/api/api.go
@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"go-micro.dev/v4/api/router"
+	"go-micro.dev/v4/client"
 	"go-micro.dev/v4/registry"
 	"go-micro.dev/v4/server"
 )
@@ -35,6 +36,8 @@ type Options struct {
 	Address string
 	// Router for resolving routes
 	Router router.Router
+	// Client to use for RPC
+	Client client.Client
 }
 
 // Option type are API option args.
diff --git a/api/options.go b/api/options.go
index 1af1d52c..edf71476 100644
--- a/api/options.go
+++ b/api/options.go
@@ -2,6 +2,9 @@ package api
 
 import (
 	"go-micro.dev/v4/api/router"
+	registry2 "go-micro.dev/v4/api/router/registry"
+	"go-micro.dev/v4/client"
+	"go-micro.dev/v4/registry"
 )
 
 func NewOptions(opts ...Option) Options {
@@ -23,3 +26,12 @@ func WithRouter(r router.Router) Option {
 		return nil
 	}
 }
+
+// WithRegistry sets the api's client and router to use registry.
+func WithRegistry(r registry.Registry) Option {
+	return func(o *Options) error {
+		o.Client = client.NewClient(client.Registry(r))
+		o.Router = registry2.NewRouter(router.WithRegistry(r))
+		return nil
+	}
+}