diff --git a/json.go b/json.go
new file mode 100644
index 0000000..cdfe81a
--- /dev/null
+++ b/json.go
@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+)
+
+// UnmarshalJSON will unmarshal json from response body
+func UnmarshalJSON(reader io.Reader, v interface{}) {
+	responseBody, err := ioutil.ReadAll(reader)
+	PanicOnError(err)
+
+	err = json.Unmarshal(responseBody, &v)
+	PanicOnError(err)
+}