diff --git a/lnbits/extensions/lnurldevice/crud.py b/lnbits/extensions/lnurldevice/crud.py
index e02d23b8b..184518484 100644
--- a/lnbits/extensions/lnurldevice/crud.py
+++ b/lnbits/extensions/lnurldevice/crud.py
@@ -11,7 +11,10 @@ from .models import createLnurldevice, lnurldevicepayment, lnurldevices
 async def create_lnurldevice(
     data: createLnurldevice,
 ) -> lnurldevices:
-    lnurldevice_id = urlsafe_short_hash()
+    if data.device == "pos" or data.device == "atm":
+        lnurldevice_id = str(await get_lnurldeviceposcount())
+    else:
+        lnurldevice_id = urlsafe_short_hash()
     lnurldevice_key = urlsafe_short_hash()
     await db.execute(
         """
@@ -79,6 +82,17 @@ async def update_lnurldevice(lnurldevice_id: str, **kwargs) -> Optional[lnurldev
     return lnurldevices(**row) if row else None
 
 
+async def get_lnurldeviceposcount() -> int:
+    row = await db.fetchall(
+        "SELECT * FROM lnurldevice.lnurldevices WHERE device = ? OR device = ?",
+        (
+            "pos",
+            "atm",
+        ),
+    )
+    return len(row) + 1
+
+
 async def get_lnurldevice(lnurldevice_id: str) -> lnurldevices:
     row = await db.fetchone(
         "SELECT * FROM lnurldevice.lnurldevices WHERE id = ?", (lnurldevice_id,)
diff --git a/lnbits/extensions/lnurldevice/models.py b/lnbits/extensions/lnurldevice/models.py
index c27470b73..66b215f27 100644
--- a/lnbits/extensions/lnurldevice/models.py
+++ b/lnbits/extensions/lnurldevice/models.py
@@ -17,8 +17,8 @@ class createLnurldevice(BaseModel):
     wallet: str
     currency: str
     device: str
-    profit: float
-    amount: int
+    profit: float = 0
+    amount: Optional[int] = 0
     pin: int = 0
     profit1: float = 0
     amount1: int = 0