diff --git a/api/api_v1.go b/api/api_v1.go
index ae44073..94e8b5c 100644
--- a/api/api_v1.go
+++ b/api/api_v1.go
@@ -234,14 +234,7 @@ func v1Entries(w http.ResponseWriter, r *http.Request, dossierID string) {
 	parentID := q.Get("parent")
 	category := 0
 	if cat := q.Get("category"); cat != "" {
-		// Support both "genome" and "category004" formats
-		if strings.HasPrefix(cat, "category") {
-			// Parse "category004" -> 4
-			fmt.Sscanf(cat, "category%d", &category)
-		} else {
-			// Parse name like "genome", "upload", etc.
-			category = lib.CategoryFromString[cat]
-		}
+		category = lib.CategoryFromString[cat]
 	}
 	filter := &lib.EntryFilter{
 		DossierID: dossierID,
@@ -269,7 +262,7 @@ func v1Entries(w http.ResponseWriter, r *http.Request, dossierID string) {
 		entry := map[string]any{
 			"id":        e.EntryID,
 			"parent_id": e.ParentID,
-			"category":  lib.CategoryKey(e.Category),
+			"category":  lib.CategoryName(e.Category),
 			"type":      e.Type,
 			"summary":   e.Summary,
 			"ordinal":   e.Ordinal,
@@ -313,7 +306,7 @@ func v1Entry(w http.ResponseWriter, r *http.Request, dossierID, entryID string)
 	entry := map[string]any{
 		"id":        e.EntryID,
 		"parent_id": e.ParentID,
-		"category":  lib.CategoryKey(e.Category),
+		"category":  lib.CategoryName(e.Category),
 		"type":      e.Type,
 		"summary":   e.Summary,
 		"ordinal":   e.Ordinal,