diff --git a/internal/api/types.go b/internal/api/types.go
index 74d9749..ddc99d1 100644
--- a/internal/api/types.go
+++ b/internal/api/types.go
@@ -6,8 +6,8 @@ import (
 
 // CreateWorkspaceRequest defines the request body for creating a new workspace.
 type CreateWorkspaceRequest struct {
-	Image          string              `json:"image"`
-	Env            map[string]string   `json:"env"`
-	ResourceLimits *k8s.ResourceLimits `json:"resourceLimits"`
-	WorkspaceID    string              `json:"workspaceId"`
+	WorkspaceID    string              `json:"WorkspaceID" binding:"required"`
+	Image          string              `json:"image,omitempty"`
+	Env            map[string]string   `json:"env,omitempty"`
+	ResourceLimits *k8s.ResourceLimits `json:"resourceLimits,omitempty"`
 }