diff --git a/api/message/json/codec.go b/api/message/json/codec.go
new file mode 100644
index 0000000..e7fd629
--- /dev/null
+++ b/api/message/json/codec.go
@@ -0,0 +1,14 @@
+package json
+
+import (
+	"encoding/json"
+
+	"github.com/eosswedenorg/thalos/api/message"
+)
+
+func init() {
+	message.RegisterCodec("json", message.Codec{
+		Encoder: json.Marshal,
+		Decoder: json.Unmarshal,
+	})
+}