diff --git a/nip11/types.go b/nip11/types.go
new file mode 100644
index 0000000..0b150b9
--- /dev/null
+++ b/nip11/types.go
@@ -0,0 +1,11 @@
+package nip11
+
+type RelayInformationDocument struct {
+	Name          string `json:"name"`
+	Description   string `json:"description"`
+	PubKey        string `json:"pubkey"`
+	Contact       string `json:"contact"`
+	SupportedNIPs []int  `json:"supported_nips"`
+	Software      string `json:"software"`
+	Version       string `json:"version"`
+}