diff --git a/README.md b/README.md
index 49d5935..bff0458 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ type MyResponse struct {
     // ...
 }
 
-func (r *MyResponse) Decode(body io.ReadCloser) error {
+func (r *MyResponse) Decode(body io.Reader) error {
     // Decode the response body into the response model
 }
 
diff --git a/examples/cmd/context/main.go b/examples/cmd/context/main.go
index 5b59ced..62b6f72 100644
--- a/examples/cmd/context/main.go
+++ b/examples/cmd/context/main.go
@@ -36,12 +36,13 @@ type TodoResponse struct {
 	Comleted       bool   `json:"completed"`
 }
 
-func (r *TodoResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *TodoResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
 
-func (r *TodoResponse) SetBody(body io.Reader) {
+func (r *TodoResponse) SetBody(body io.Reader) error {
+	return nil
 
 }
 
@@ -49,8 +50,9 @@ func (r *TodoResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *TodoResponse) SetStatusCode(code int) {
+func (r *TodoResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/delete/main.go b/examples/cmd/delete/main.go
index 58d871c..856c46a 100644
--- a/examples/cmd/delete/main.go
+++ b/examples/cmd/delete/main.go
@@ -31,19 +31,22 @@ type DeletePostResponse struct {
 	HTTPStatusCode int `json:"-"`
 }
 
-func (r *DeletePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *DeletePostResponse) Decode(body io.Reader) error {
+
 	return nil
 }
 
-func (r *DeletePostResponse) SetBody(body io.Reader) {}
+func (r *DeletePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *DeletePostResponse) AcceptContentType() string {
 	return ""
 }
 
-func (r *DeletePostResponse) SetStatusCode(code int) {
+func (r *DeletePostResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/get/main.go b/examples/cmd/get/main.go
index 740309a..8624cc3 100644
--- a/examples/cmd/get/main.go
+++ b/examples/cmd/get/main.go
@@ -35,19 +35,22 @@ type TodoResponse struct {
 	Comleted       bool   `json:"completed"`
 }
 
-func (r *TodoResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *TodoResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
 
-func (r *TodoResponse) SetBody(body io.Reader) {}
+func (r *TodoResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *TodoResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *TodoResponse) SetStatusCode(code int) {
+func (r *TodoResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/patch/main.go b/examples/cmd/patch/main.go
index 6c8dbe2..e7bfee3 100644
--- a/examples/cmd/patch/main.go
+++ b/examples/cmd/patch/main.go
@@ -44,19 +44,22 @@ type UpdatePostResponse struct {
 	Body           string `json:"body,omitempty"`
 }
 
-func (r *UpdatePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *UpdatePostResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
 
-func (r *UpdatePostResponse) SetBody(body io.Reader) {}
+func (r *UpdatePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *UpdatePostResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *UpdatePostResponse) SetStatusCode(code int) {
+func (r *UpdatePostResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/post/main.go b/examples/cmd/post/main.go
index 8a91f5e..ccee31b 100644
--- a/examples/cmd/post/main.go
+++ b/examples/cmd/post/main.go
@@ -43,19 +43,22 @@ type CreatePostResponse struct {
 	Body           string `json:"body"`
 }
 
-func (r *CreatePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *CreatePostResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
 
-func (r *CreatePostResponse) SetBody(body io.Reader) {}
+func (r *CreatePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *CreatePostResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *CreatePostResponse) SetStatusCode(code int) {
+func (r *CreatePostResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/put/main.go b/examples/cmd/put/main.go
index a010f40..cd98143 100644
--- a/examples/cmd/put/main.go
+++ b/examples/cmd/put/main.go
@@ -44,19 +44,22 @@ type UpdatePostResponse struct {
 	Body           string `json:"body"`
 }
 
-func (r *UpdatePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *UpdatePostResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
 
-func (r *UpdatePostResponse) SetBody(body io.Reader) {}
+func (r *UpdatePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *UpdatePostResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *UpdatePostResponse) SetStatusCode(code int) {
+func (r *UpdatePostResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/examples/cmd/url_values/main.go b/examples/cmd/url_values/main.go
index 9a5695b..6376226 100644
--- a/examples/cmd/url_values/main.go
+++ b/examples/cmd/url_values/main.go
@@ -42,19 +42,22 @@ type CommentsResponse struct {
 	} `json:"data"`
 }
 
-func (r *CommentsResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *CommentsResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(&r.Data)
 }
 
-func (r *CommentsResponse) SetBody(body io.Reader) {}
+func (r *CommentsResponse) SetBody(body io.Reader) error {
+	return nil
+}
 
 func (r *CommentsResponse) AcceptContentType() string {
 	return "application/json"
 }
 
-func (r *CommentsResponse) SetStatusCode(code int) {
+func (r *CommentsResponse) SetStatusCode(code int) error {
 	r.HTTPStatusCode = code
+	return nil
 }
 
 func main() {
diff --git a/restclient_test.go b/restclient_test.go
index f2d762a..9a158d1 100644
--- a/restclient_test.go
+++ b/restclient_test.go
@@ -24,13 +24,18 @@ type TodoResponse struct {
 func (r *todoRequest) Path() (string, error)      { return "/todos/" + r.ID, nil }
 func (r *todoRequest) Encode() (io.Reader, error) { return nil, nil }
 func (r *todoRequest) ContentType() string        { return "" }
-func (r *TodoResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *TodoResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
-func (r *TodoResponse) SetBody(body io.Reader)    {}
+func (r *TodoResponse) SetBody(body io.Reader) error {
+	return nil
+}
 func (r *TodoResponse) AcceptContentType() string { return "application/json" }
-func (r *TodoResponse) SetStatusCode(code int)    { r.HTTPStatusCode = code }
+func (r *TodoResponse) SetStatusCode(code int) error {
+	r.HTTPStatusCode = code
+	return nil
+}
 
 //---------------------------------------------
 
@@ -47,13 +52,18 @@ func (r *deletePostRequest) Path() (string, error) { return "/posts/" + fmt.Spri
 
 func (r *deletePostRequest) Encode() (io.Reader, error) { return nil, nil }
 func (r *deletePostRequest) ContentType() string        { return "" }
-func (r *DeletePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *DeletePostResponse) Decode(body io.Reader) error {
+
+	return nil
+}
+func (r *DeletePostResponse) SetBody(body io.Reader) error {
 	return nil
 }
-func (r *DeletePostResponse) SetBody(body io.Reader)    {}
 func (r *DeletePostResponse) AcceptContentType() string { return "" }
-func (r *DeletePostResponse) SetStatusCode(code int)    { r.HTTPStatusCode = code }
+func (r *DeletePostResponse) SetStatusCode(code int) error {
+	r.HTTPStatusCode = code
+	return nil
+}
 
 // ---------------------------------------------
 
@@ -82,13 +92,18 @@ func (r *updatePostRequest) Encode() (io.Reader, error) {
 	return bytes.NewReader(jsonBytes), nil
 }
 func (r *updatePostRequest) ContentType() string { return "application/json; charset=UTF-8" }
-func (r *UpdatePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *UpdatePostResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
-func (r *UpdatePostResponse) SetBody(body io.Reader)    {}
+func (r *UpdatePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 func (r *UpdatePostResponse) AcceptContentType() string { return "application/json" }
-func (r *UpdatePostResponse) SetStatusCode(code int)    { r.HTTPStatusCode = code }
+func (r *UpdatePostResponse) SetStatusCode(code int) error {
+	r.HTTPStatusCode = code
+	return nil
+}
 
 // ---------------------------------------------
 
@@ -118,13 +133,18 @@ func (r *createPostRequest) Encode() (io.Reader, error) {
 	return bytes.NewReader(jsonBytes), nil
 }
 func (r *createPostRequest) ContentType() string { return "application/json" }
-func (r *CreatePostResponse) Decode(body io.ReadCloser) error {
-	defer body.Close()
+func (r *CreatePostResponse) Decode(body io.Reader) error {
+
 	return json.NewDecoder(body).Decode(r)
 }
-func (r *CreatePostResponse) SetBody(body io.Reader)    {}
+func (r *CreatePostResponse) SetBody(body io.Reader) error {
+	return nil
+}
 func (r *CreatePostResponse) AcceptContentType() string { return "application/json" }
-func (r *CreatePostResponse) SetStatusCode(code int)    { r.HTTPStatusCode = code }
+func (r *CreatePostResponse) SetStatusCode(code int) error {
+	r.HTTPStatusCode = code
+	return nil
+}
 
 // ---------------------------------------------
 
diff --git a/restclientgo.go b/restclientgo.go
index bfa7c77..dd405a7 100644
--- a/restclientgo.go
+++ b/restclientgo.go
@@ -49,15 +49,14 @@ type Request interface {
 
 type Response interface {
 	// Decode decodes the response body into the given interface if the
-	// response is a success and the content type is json.
-	Decode(body io.ReadCloser) error
-	// SetBody sets the response raw body if the response is a success but
-	// the content type is not json.
-	SetBody(body io.Reader)
+	// response matches the AcceptContentType.
+	Decode(body io.Reader) error
+	// SetBody sets the response raw body if the response can't be decoded.
+	SetBody(body io.Reader) error
 	// AcceptContentType returns the content type that the response should be decoded to.
 	AcceptContentType() string
 	// SetStatusCode sets the HTTP response status code.
-	SetStatusCode(code int)
+	SetStatusCode(code int) error
 }
 
 const (
@@ -140,6 +139,7 @@ func (r *RestClient) do(ctx context.Context, method httpMethod, request Request,
 	if err != nil {
 		return fmt.Errorf("%w: %s", ErrHTTPRequest, err)
 	}
+	defer httpResponse.Body.Close()
 
 	response.SetStatusCode(httpResponse.StatusCode)
 	if httpResponse.StatusCode >= 400 {