diff --git a/backend/src/routes/metadata-routes.ts b/backend/src/routes/metadata-routes.ts
index 59ca89c..ea6e0dc 100644
--- a/backend/src/routes/metadata-routes.ts
+++ b/backend/src/routes/metadata-routes.ts
@@ -32,6 +32,13 @@ const metadataRoutes: FastifyPluginAsync = async (server) => {
     client = new SecretsManagerClient();
   }
 
+
+  const sendUnsupportedMetadataMethod = async (_request: any, reply: any) => {
+    return reply.code(ReturnCode.BAD_REQUEST).send({ error: ErrorMessage.UNSUPPORTED_METHOD });
+  };
+
+  server.route({ method: ['POST', 'PUT', 'PATCH', 'DELETE'], url: '/metadata', handler: sendUnsupportedMetadataMethod })
+
   server.get('/metadata', async function (request, reply) {
     try {
       printRequest('/metadata', request, server.log);
@@ -137,6 +144,8 @@ const metadataRoutes: FastifyPluginAsync = async (server) => {
     }
   })
 
+  server.route({ method: ['POST', 'PUT', 'PATCH', 'DELETE'], url: '/metadata/v2', handler: sendUnsupportedMetadataMethod })
+
   server.get('/metadata/v2', async function (request, reply) {
     try {
       printRequest('/metadata/v2', request, server.log);
@@ -240,6 +249,8 @@ const metadataRoutes: FastifyPluginAsync = async (server) => {
     }
   })
 
+  server.route({ method: ['POST', 'PUT', 'PATCH', 'DELETE'], url: '/metadata/v3', handler: sendUnsupportedMetadataMethod })
+
   server.get('/metadata/v3', async function (request, reply) {
     try {
       printRequest('/metadata/v3', request, server.log);