diff --git a/endpoints/signup.post.py b/endpoints/signup.post.py
index 35aef9c..51ae03d 100644
--- a/endpoints/signup.post.py
+++ b/endpoints/signup.post.py
@@ -1,32 +1,30 @@
 from fastapi import APIRouter, HTTPException
 
-playlists = [
-    {
-        "id": "playlist1",
-        "songs": [
-            {"id": "song1", "title": "Song One", "artist": "Artist A"},
-            {"id": "song2", "title": "Song Two", "artist": "Artist B"}
-        ]
-    }
-]
+customers = []  # In-memory storage
 
 router = APIRouter()
 
-@router.post("/playlist/songs")
-async def get_playlist_songs(
-    playlist_id: str = "playlist1"
+@router.post("/signup")
+async def list_customers(
+    store_id: str = "default_store",
+    page: int = 1,
+    limit: int = 10
 ):
-    """Get songs from a playlist"""
-    playlist = next((p for p in playlists if p["id"] == playlist_id), None)
-    if not playlist:
-        raise HTTPException(status_code=400, detail="Playlist not found")
+    """Get list of store customers"""
+    if not any(c["store_id"] == store_id for c in customers):
+        raise HTTPException(status_code=400, detail="Store not found")
+
+    store_customers = [c for c in customers if c["store_id"] == store_id]
+    start = (page - 1) * limit
+    end = start + limit
 
     return {
-        "message": "Songs retrieved successfully",
-        "playlist_id": playlist_id,
-        "songs": playlist["songs"],
-        "features": {
-            "total_songs": len(playlist["songs"]),
-            "can_shuffle": True
+        "message": "Customers retrieved successfully",
+        "store_id": store_id,
+        "customers": store_customers[start:end],
+        "pagination": {
+            "page": page,
+            "total": len(store_customers),
+            "pages": (len(store_customers) + limit - 1) // limit
         }
     }
\ No newline at end of file