diff --git a/graphql.go b/graphql.go
index 7b3b203..a8ebfd9 100644
--- a/graphql.go
+++ b/graphql.go
@@ -134,7 +134,10 @@ func (c *Client) runWithJSON(ctx context.Context, req *Request, resp interface{}
 	}
 	defer res.Body.Close()
 	if res.StatusCode != http.StatusOK {
-		return fmt.Errorf("server returned a non-200 status code: %v", res.StatusCode)
+		return &HttpError{
+			err:      fmt.Errorf("server returned a non-200 status code: %v", res.StatusCode),
+			Response: res,
+		}
 	}
 	var buf bytes.Buffer
 	if _, err := io.Copy(&buf, res.Body); err != nil {
@@ -317,6 +320,15 @@ type File struct {
 	R     io.Reader
 }
 
+type HttpError struct {
+	err      error
+	Response *http.Response
+}
+
+func (e *HttpError) Error() string {
+	return e.err.Error()
+}
+
 type GraphQLError struct {
 	err        error
 	Message    string