diff --git a/package.json b/package.json
index c35de2d..664a860 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "shsf-cli",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "",
   "type": "module",
   "files": [
diff --git a/src/commands/req/add.ts b/src/commands/req/add.ts
index 1f2c646..16f21df 100644
--- a/src/commands/req/add.ts
+++ b/src/commands/req/add.ts
@@ -63,18 +63,10 @@ export const reqAddDefinition = {
       }
       content += pkg + "\n";
 
-      // 3. Get function details to find storageId
-      const funcResponse = await client.get(`/api/function/${functionId}`);
-      const func = funcResponse.data.data;
-      if (!func || !func.namespace || !func.namespace.storageId) {
-        throw new Error("Could not determine storage ID for function.");
-      }
-      const storageId = func.namespace.storageId;
-
-      // 4. Overwrite/Create requirements.txt
-      await client.put(`/api/storage/${storageId}/files`, {
-        path: "requirements.txt",
-        content: content
+      // 3. Overwrite/Create requirements.txt using function-based API
+      await client.put(`/api/function/${functionId}/file`, {
+        filename: "requirements.txt",
+        code: content,
       });
 
       console.log(`${chalk.green("✓")} Added ${chalk.cyan(pkg)} to requirements.txt for function ${chalk.yellow(functionId)}.`);
@@ -86,7 +78,7 @@ export const reqAddDefinition = {
 
 function handleError(error: any, task: string) {
   if (error.response) {
-    console.error(`${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(error.response.data?.message || error.message)}`);
+    console.error(`${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(error.response.data?.message || (error.response.data ? JSON.stringify(error.response.data) : error.message))}`);
   } else if (error.request) {
     console.error(
       `${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(
diff --git a/src/commands/req/remove.ts b/src/commands/req/remove.ts
index ecb670a..1b70e46 100644
--- a/src/commands/req/remove.ts
+++ b/src/commands/req/remove.ts
@@ -69,18 +69,10 @@ export const reqRemoveDefinition = {
 
       const newContent = newLines.join("\n");
 
-      // 2. Get function details to find storageId
-      const funcResponse = await client.get(`/api/function/${functionId}`);
-      const func = funcResponse.data.data;
-      if (!func || !func.namespace || !func.namespace.storageId) {
-        throw new Error("Could not determine storage ID for function.");
-      }
-      const storageId = func.namespace.storageId;
-
-      // 3. Overwrite requirements.txt
-      await client.put(`/api/storage/${storageId}/files`, {
-        path: "requirements.txt",
-        content: newContent
+      // 2. Overwrite requirements.txt using function-based API
+      await client.put(`/api/function/${functionId}/file`, {
+        filename: "requirements.txt",
+        code: newContent,
       });
 
       console.log(`${chalk.green("✓")} Removed ${chalk.cyan(pkgToRemove)} from requirements.txt for function ${chalk.yellow(functionId)}.`);
@@ -92,7 +84,7 @@ export const reqRemoveDefinition = {
 
 function handleError(error: any, task: string) {
   if (error.response) {
-    console.error(`${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(error.response.data?.message || error.message)}`);
+    console.error(`${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(error.response.data?.message || (error.response.data ? JSON.stringify(error.response.data) : error.message))}`);
   } else if (error.request) {
     console.error(
       `${chalk.red("✗")} Failed to ${task}: ${chalk.yellow(