diff --git a/apitest.go b/apitest.go
index 9e7733e..4c1b751 100644
--- a/apitest.go
+++ b/apitest.go
@@ -11,6 +11,7 @@ type Apitest struct {
 	Handler http.Handler      // handler to test
 	Server  *httptest.Server  // testing server
 	Base    string            // Base uri to make requests
+	client  *http.Client      // Default Http Client to use in requests
 	clients chan *http.Client // http clients
 }
 
@@ -22,6 +23,7 @@ func New(h http.Handler) *Apitest {
 
 func NewWithBase(base string) *Apitest {
 	return &Apitest{
+		client: http.DefaultClient,
 		Base: base,
 	}
 }
@@ -39,6 +41,7 @@ func NewWithPool(h http.Handler, n int) *Apitest {
 		Handler: h,
 		Server:  s,
 		clients: make(chan *http.Client, n),
+		client: http.DefaultClient,
 	}
 
 	for i := 0; i < cap(a.clients); i++ {
@@ -55,6 +58,16 @@ func NewWithPool(h http.Handler, n int) *Apitest {
 	return a
 }
 
+func (a *Apitest) WithHttpClient(client *http.Client) *Apitest {
+	a.client = client
+	if a.clients != nil {
+		for i := 0; i < cap(a.clients); i++ {
+			a.clients <- client
+		}
+	}
+	return a
+}
+
 func (a *Apitest) Destroy() {
 	if nil != a.Server {
 		a.Server.Close()
diff --git a/request.go b/request.go
index 40436f4..ff025b1 100644
--- a/request.go
+++ b/request.go
@@ -12,6 +12,7 @@ import (
 type Request struct {
 	http.Request
 	apitest *Apitest
+	client *http.Client
 }
 
 func NewRequest(method, urlStr string, a *Apitest) *Request {
@@ -21,7 +22,7 @@ func NewRequest(method, urlStr string, a *Apitest) *Request {
 		panic(err)
 	}
 
-	return &Request{*http_request, a}
+	return &Request{*http_request, a, a.client}
 
 }
 
@@ -89,12 +90,19 @@ func (r *Request) WithBodyJson(o interface{}) *Request {
 	return r
 }
 
+func (r *Request) WithHttpClient(client *http.Client) *Request {
+
+	r.client = client
+
+	return r
+}
+
 func (r *Request) Do() *Response {
 
 	tee := &tee{Buffer: r.Request.Body}
 	r.Request.Body = tee
 
-	res, err := http.DefaultClient.Do(&r.Request)
+	res, err := r.client.Do(&r.Request)
 	if err != nil {
 		panic(err)
 	}