diff --git a/metadata/web_app.go b/metadata/web_app.go
index a8865fb..80e6c3a 100644
--- a/metadata/web_app.go
+++ b/metadata/web_app.go
@@ -17,11 +17,11 @@ var (
 
 type WebAppMetadata struct {
 	BaseMetadata
-	Name          string
-	TryFiles      []string
-	ErrorPages    map[int]string
-	ExtraMetadata ExtraMetadata
-	Paths         map[string]WebAppMetadataFileReference
+	Name          string                                 `json:"name"`
+	TryFiles      []string                               `json:"tryFiles"`
+	ErrorPages    map[int]string                         `json:"errorPages"`
+	ExtraMetadata ExtraMetadata                          `json:"extraMetadata"`
+	Paths         map[string]WebAppMetadataFileReference `json:"paths"`
 }
 
 func NewWebAppMetadata(name string, tryFiles []string, extraMetadata ExtraMetadata, errorPages map[int]string, paths map[string]WebAppMetadataFileReference) *WebAppMetadata {
diff --git a/metadata/web_app_reference.go b/metadata/web_app_reference.go
index 76c2832..6126c15 100644
--- a/metadata/web_app_reference.go
+++ b/metadata/web_app_reference.go
@@ -3,8 +3,8 @@ package metadata
 import "git.lumeweb.com/LumeWeb/libs5-go/encoding"
 
 type WebAppMetadataFileReference struct {
-	ContentType string
-	Cid         *encoding.CID
+	ContentType string        `json:"contentType"`
+	Cid         *encoding.CID `json:"cid"`
 }
 
 func NewWebAppMetadataFileReference(cid *encoding.CID, contentType string) *WebAppMetadataFileReference {