diff --git a/README.md b/README.md
index f4da436..37e7fb0 100644
--- a/README.md
+++ b/README.md
@@ -125,6 +125,7 @@ Suno API currently mainly implements the following APIs:
 - `/api/get_limit`: Get quota Info
 - `/api/extend_audio`: Extend audio length
 - `/api/clip`: Get clip information based on ID passed as query parameter `id`
+- `/api/concat`: Generate the whole song from extensions
 ```
 
 For more detailed documentation, please check out the demo site:
@@ -170,12 +171,17 @@ def get_quota_information():
     response = requests.get(url)
     return response.json()
 
-
 def get_clip(clip_id):
     url = f"{base_url}/api/clip?id={clip_id}"
     response = requests.get(url)
     return response.json()
 
+def generate_whole_song(clip_id):
+    payloyd = {"clip_id": clip_id}
+    url = f"{base_url}/api/concat"
+    response = requests.post(url, json=payload)
+    return response.json()
+
 
 if __name__ == '__main__':
     data = generate_audio_by_prompt({
diff --git a/src/app/api/concat/route.ts b/src/app/api/concat/route.ts
new file mode 100644
index 0000000..6bf6e4b
--- /dev/null
+++ b/src/app/api/concat/route.ts
@@ -0,0 +1,64 @@
+import { NextResponse, NextRequest } from "next/server";
+import { sunoApi } from "@/lib/SunoApi";
+import { corsHeaders } from "@/lib/utils";
+
+export const dynamic = "force-dynamic";
+
+export async function POST(req: NextRequest) {
+  if (req.method === 'POST') {
+    try {
+      const body = await req.json();
+      const { clip_id } = body;
+      if (!clip_id) {
+        return new NextResponse(JSON.stringify({ error: 'Clip id is required' }), {
+          status: 400,
+          headers: {
+            'Content-Type': 'application/json',
+            ...corsHeaders
+          }
+        });
+      }
+      const audioInfo = await (await sunoApi).concatenate(clip_id);
+      return new NextResponse(JSON.stringify(audioInfo), {
+        status: 200,
+        headers: {
+          'Content-Type': 'application/json',
+          ...corsHeaders
+        }
+      });
+    } catch (error: any) {
+      console.error('Error generating concatenating audio:', error.response.data);
+      if (error.response.status === 402) {
+        return new NextResponse(JSON.stringify({ error: error.response.data.detail }), {
+          status: 402,
+          headers: {
+            'Content-Type': 'application/json',
+            ...corsHeaders
+          }
+        });
+      }
+      return new NextResponse(JSON.stringify({ error: 'Internal server error' }), {
+        status: 500,
+        headers: {
+          'Content-Type': 'application/json',
+          ...corsHeaders
+        }
+      });
+    }
+  } else {
+    return new NextResponse('Method Not Allowed', {
+      headers: {
+        Allow: 'POST',
+        ...corsHeaders
+      },
+      status: 405
+    });
+  }
+}
+
+export async function OPTIONS(request: Request) {
+  return new Response(null, {
+    status: 200,
+    headers: corsHeaders
+  });
+}
diff --git a/src/app/api/custom_generate/route.ts b/src/app/api/custom_generate/route.ts
index 12e9964..c613803 100644
--- a/src/app/api/custom_generate/route.ts
+++ b/src/app/api/custom_generate/route.ts
@@ -65,4 +65,4 @@ export async function OPTIONS(request: Request) {
     status: 200,
     headers: corsHeaders
   });
-}
\ No newline at end of file
+}
diff --git a/src/app/docs/page.tsx b/src/app/docs/page.tsx
index 24205ba..a053eed 100644
--- a/src/app/docs/page.tsx
+++ b/src/app/docs/page.tsx
@@ -30,6 +30,7 @@ export default function Docs() {
 - \`/api/get_limit\`: Get quota Info
 - \`/api/extend_audio\`: Extend audio length
 - \`/api/clip\`:  Get clip information based on ID passed as query parameter \`id\`
+- \`/api/concat\`: Generate the whole song from extensions
 \`\`\`
 
 Feel free to explore the detailed API parameters and conduct tests on this page.
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 2d87bda..0d39d36 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -106,6 +106,7 @@ Suno API currently mainly implements the following APIs:
 - \`/api/get?ids=\`: Get music Info by id, separate multiple id with ",".
 - \`/api/get_limit\`: Get quota Info
 - \`/api/extend_audio\`: Extend audio length
+- \`/api/concat\`: Generate the whole song from extensions
 \`\`\`
 
 For more detailed documentation, please check out the demo site:
diff --git a/src/lib/SunoApi.ts b/src/lib/SunoApi.ts
index 4a9b2d1..09515e4 100644
--- a/src/lib/SunoApi.ts
+++ b/src/lib/SunoApi.ts
@@ -63,7 +63,7 @@ class SunoApi {
    */
   private async getAuthToken() {
     // URL to get session ID
-    const getSessionUrl = `${SunoApi.CLERK_BASE_URL}/v1/client?_clerk_js_version=4.72.1`;
+    const getSessionUrl = `${SunoApi.CLERK_BASE_URL}/v1/client?_clerk_js_version=4.72.4`;
     // Get session ID
     const sessionResponse = await this.client.get(getSessionUrl);
     if (!sessionResponse?.data?.response?.['last_active_session_id']) {
@@ -82,7 +82,7 @@ class SunoApi {
       throw new Error("Session ID is not set. Cannot renew token.");
     }
     // URL to renew session token
-    const renewUrl = `${SunoApi.CLERK_BASE_URL}/v1/client/sessions/${this.sid}/tokens?_clerk_js_version=4.72.0-snapshot.vc141245`;
+    const renewUrl = `${SunoApi.CLERK_BASE_URL}/v1/client/sessions/${this.sid}/tokens?_clerk_js_version==4.72.4`;
     // Renew session token
     const renewResponse = await this.client.post(renewUrl);
     logger.info("KeepAlive...\n");
@@ -116,6 +116,29 @@ class SunoApi {
     return audios;
   }
 
+  /**
+   * Calls the concatenate endpoint for a clip to generate the whole song.
+   * @param clip_id The ID of the audio clip to concatenate.
+   * @returns A promise that resolves to an AudioInfo object representing the concatenated audio.
+   * @throws Error if the response status is not 200.
+   */
+  public async concatenate(clip_id: string): Promise<AudioInfo> {
+    await this.keepAlive(false);
+    const payload: any = { clip_id: clip_id };
+
+    const response = await this.client.post(
+      `${SunoApi.BASE_URL}/api/generate/concat/v2/`,
+      payload,
+      {
+        timeout: 10000, // 10 seconds timeout
+      },
+    );
+    if (response.status !== 200) {
+      throw new Error("Error response:" + response.statusText);
+    }
+    return response.data;
+  }
+
   /**
    * Generates custom audio based on provided parameters.
    *