diff --git a/default.go b/default.go
index 8e31dc3..67396ad 100644
--- a/default.go
+++ b/default.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 )
 
 type DefaultError uint32
@@ -66,6 +67,7 @@ func (e DefaultError) BodyBytes() (body []byte) {
 type DefaultRequestBuilder struct {
 	errorHandler   ErrorHandler
 	allowedMethods *[]string
+	url            *url.URL
 	header         struct {
 		*Header
 		fields header
@@ -89,8 +91,13 @@ func (rb *DefaultRequestBuilder) SetErrorHandler(errorHandler ErrorHandler) *Def
 	return rb
 }
 
-func (rb *DefaultRequestBuilder) SetAllowedMethods(allowedMethods []string) *DefaultRequestBuilder {
-	rb.allowedMethods = &allowedMethods
+func (rb *DefaultRequestBuilder) SetAllowedMethods(allowedMethods *[]string) *DefaultRequestBuilder {
+	rb.allowedMethods = allowedMethods
+	return rb
+}
+
+func (rb *DefaultRequestBuilder) SetUrl(url *url.URL) *DefaultRequestBuilder {
+	rb.url = url
 	return rb
 }
 
@@ -120,6 +127,10 @@ func (rb *DefaultRequestBuilder) SetDefaults() *DefaultRequestBuilder {
 		amd := make([]string, 0)
 		rb.allowedMethods = &amd
 	}
+	if rb.url == nil {
+		u := url.URL{}
+		rb.url = &u
+	}
 	if rb.header.Header == nil || rb.header.fields == nil {
 		hd := make(Header)
 		rb.header.Header = &hd
@@ -151,7 +162,12 @@ func (rb *DefaultRequestBuilder) Allowed(method string) (errRes ErrorResponse) {
 	if !ok {
 		return rb.errorHandler.ErrorResponse(DefaultErrorMethodNotAllowed)
 	}
-	return DefaultOk
+	return rb.errorHandler.ErrorResponse(DefaultOk)
+}
+
+func (rb *DefaultRequestBuilder) Url(url url.URL) (errRes ErrorResponse) {
+	*rb.url = url
+	return rb.errorHandler.ErrorResponse(DefaultOk)
 }
 
 func (rb *DefaultRequestBuilder) Header(header Header) (errRes ErrorResponse) {
diff --git a/prototype.go b/prototype.go
index 9cdc559..8039b2e 100644
--- a/prototype.go
+++ b/prototype.go
@@ -1,10 +1,14 @@
 package router
 
-import "io"
+import (
+	"io"
+	"net/url"
+)
 
 type RequestBuilder interface {
 	Prototype() (req PrototypeRequestBuilder)
 	Allowed(method string) (errRes ErrorResponse)
+	Url(url url.URL) (errRes ErrorResponse)
 	Header(header Header) (errRes ErrorResponse)
 	ReadBody(body io.ReadCloser) (errRes ErrorResponse)
 	Values(values Values) (errRes ErrorResponse)
diff --git a/router.go b/router.go
index 0bee885..f8fb855 100644
--- a/router.go
+++ b/router.go
@@ -42,7 +42,7 @@ func (ro *Router) Register(pattern string, server *server) (err error) {
 		return fmt.Errorf("missing preceding slash in pattern (%s)", pattern)
 	}
 	if server == nil {
-		return fmt.Errorf("server must be set in register")
+		return fmt.Errorf("server must be provided")
 	}
 	srv, required := ro.routes[Route{pattern: pattern, required: true}]
 	if !required {
diff --git a/server.go b/server.go
index 92ebda7..71b56cc 100644
--- a/server.go
+++ b/server.go
@@ -83,6 +83,9 @@ func (srv *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if ok := srv.handleError(req.Allowed(r.Method), w); !ok {
 		return
 	}
+	if ok := srv.handleError(req.Url(*r.URL), w); !ok {
+		return
+	}
 	if ok := srv.handleError(req.Header(Header(r.Header)), w); !ok {
 		return
 	}