diff --git a/lnbits/extensions/lnurldevice/crud.py b/lnbits/extensions/lnurldevice/crud.py
index 182df743a..0ab520da7 100644
--- a/lnbits/extensions/lnurldevice/crud.py
+++ b/lnbits/extensions/lnurldevice/crud.py
@@ -7,8 +7,6 @@ from lnbits.helpers import urlsafe_short_hash
 from . import db
 from .models import createLnurldevice, lnurldevicepayment, lnurldevices
 
-###############lnurldeviceS##########################
-
 
 async def create_lnurldevice(
     data: createLnurldevice,
@@ -69,10 +67,12 @@ async def create_lnurldevice(
             data.pin4,
         ),
     )
-    return await get_lnurldevice(lnurldevice_id)
+    device = await get_lnurldevice(lnurldevice_id)
+    assert device
+    return device
 
 
-async def update_lnurldevice(lnurldevice_id: str, **kwargs) -> Optional[lnurldevices]:
+async def update_lnurldevice(lnurldevice_id: str, **kwargs) -> lnurldevices:
     q = ", ".join([f"{field[0]} = ?" for field in kwargs.items()])
     await db.execute(
         f"UPDATE lnurldevice.lnurldevices SET {q} WHERE id = ?",
@@ -81,19 +81,18 @@ async def update_lnurldevice(lnurldevice_id: str, **kwargs) -> Optional[lnurldev
     row = await db.fetchone(
         "SELECT * FROM lnurldevice.lnurldevices WHERE id = ?", (lnurldevice_id,)
     )
-    return lnurldevices(**row) if row else None
+    return lnurldevices(**row)
 
 
-async def get_lnurldevice(lnurldevice_id: str) -> lnurldevices:
+async def get_lnurldevice(lnurldevice_id: str) -> Optional[lnurldevices]:
     row = await db.fetchone(
         "SELECT * FROM lnurldevice.lnurldevices WHERE id = ?", (lnurldevice_id,)
     )
     return lnurldevices(**row) if row else None
 
 
-async def get_lnurldevices(wallet_ids: Union[str, List[str]]) -> List[lnurldevices]:
-    wallet_ids = [wallet_ids]
-    q = ",".join(["?"] * len(wallet_ids[0]))
+async def get_lnurldevices(wallet_ids: List[str]) -> List[lnurldevices]:
+    q = ",".join(["?"] * len(wallet_ids))
     rows = await db.fetchall(
         f"""
         SELECT * FROM lnurldevice.lnurldevices WHERE wallet IN ({q})
@@ -102,7 +101,7 @@ async def get_lnurldevices(wallet_ids: Union[str, List[str]]) -> List[lnurldevic
         (*wallet_ids,),
     )
 
-    return [lnurldevices(**row) if row else None for row in rows]
+    return [lnurldevices(**row) for row in rows]
 
 
 async def delete_lnurldevice(lnurldevice_id: str) -> None:
@@ -110,8 +109,6 @@ async def delete_lnurldevice(lnurldevice_id: str) -> None:
         "DELETE FROM lnurldevice.lnurldevices WHERE id = ?", (lnurldevice_id,)
     )
 
-    ########################lnuldevice payments###########################
-
 
 async def create_lnurldevicepayment(
     deviceid: str,
@@ -121,6 +118,7 @@ async def create_lnurldevicepayment(
     sats: Optional[int] = 0,
 ) -> lnurldevicepayment:
     device = await get_lnurldevice(deviceid)
+    assert device
     if device.device == "atm":
         lnurldevicepayment_id = shortuuid.uuid(name=payload)
     else:
@@ -139,7 +137,9 @@ async def create_lnurldevicepayment(
         """,
         (lnurldevicepayment_id, deviceid, payload, pin, payhash, sats),
     )
-    return await get_lnurldevicepayment(lnurldevicepayment_id)
+    dpayment = await get_lnurldevicepayment(lnurldevicepayment_id)
+    assert dpayment
+    return dpayment
 
 
 async def update_lnurldevicepayment(
@@ -157,7 +157,9 @@ async def update_lnurldevicepayment(
     return lnurldevicepayment(**row) if row else None
 
 
-async def get_lnurldevicepayment(lnurldevicepayment_id: str) -> lnurldevicepayment:
+async def get_lnurldevicepayment(
+    lnurldevicepayment_id: str,
+) -> Optional[lnurldevicepayment]:
     row = await db.fetchone(
         "SELECT * FROM lnurldevice.lnurldevicepayment WHERE id = ?",
         (lnurldevicepayment_id,),
@@ -165,7 +167,9 @@ async def get_lnurldevicepayment(lnurldevicepayment_id: str) -> lnurldevicepayme
     return lnurldevicepayment(**row) if row else None
 
 
-async def get_lnurlpayload(lnurldevicepayment_payload: str) -> lnurldevicepayment:
+async def get_lnurlpayload(
+    lnurldevicepayment_payload: str,
+) -> Optional[lnurldevicepayment]:
     row = await db.fetchone(
         "SELECT * FROM lnurldevice.lnurldevicepayment WHERE payload = ?",
         (lnurldevicepayment_payload,),
diff --git a/lnbits/extensions/lnurldevice/lnurl.py b/lnbits/extensions/lnurldevice/lnurl.py
index 34de20fae..eba2a6930 100644
--- a/lnbits/extensions/lnurldevice/lnurl.py
+++ b/lnbits/extensions/lnurldevice/lnurl.py
@@ -1,16 +1,11 @@
 import base64
-import hashlib
 import hmac
 from http import HTTPStatus
 from io import BytesIO
-from typing import Optional
 
 import shortuuid
 from embit import bech32, compact
-from fastapi import Request
-from fastapi.param_functions import Query
-from loguru import logger
-from starlette.exceptions import HTTPException
+from fastapi import HTTPException, Query, Request
 
 from lnbits import bolt11
 from lnbits.core.services import create_invoice
@@ -44,7 +39,9 @@ def bech32_decode(bech):
     encoding = bech32.bech32_verify_checksum(hrp, data)
     if encoding is None:
         return
-    return bytes(bech32.convertbits(data[:-6], 5, 8, False))
+    bits = bech32.convertbits(data[:-6], 5, 8, False)
+    assert bits
+    return bytes(bits)
 
 
 def xor_decrypt(key, blob):
@@ -105,6 +102,8 @@ async def lnurl_v1_params(
             "reason": f"lnurldevice {device_id} not found on this server",
         }
     if device.device == "switch":
+        # TODO: AMOUNT IN CENT was never reference here
+        amount_in_cent = 0
         price_msat = (
             await fiat_amount_as_satoshis(float(profit), device.currency)
             if device.currency != "sat"
@@ -160,23 +159,18 @@ async def lnurl_v1_params(
         if device.device != "atm":
             return {"status": "ERROR", "reason": "Not ATM device."}
         price_msat = int(price_msat * (1 - (device.profit / 100)) / 1000)
-        lnurldevicepayment = await get_lnurldevicepayment(shortuuid.uuid(name=p))
-        if lnurldevicepayment:
-            logger.debug("lnurldevicepayment")
-            logger.debug(lnurldevicepayment)
-            logger.debug("lnurldevicepayment")
-            if lnurldevicepayment.payload == lnurldevicepayment.payhash:
-                return {"status": "ERROR", "reason": f"Payment already claimed"}
-        else:
+        try:
             lnurldevicepayment = await create_lnurldevicepayment(
                 deviceid=device.id,
                 payload=p,
                 sats=price_msat * 1000,
-                pin=pin,
+                pin=str(pin),
                 payhash="payment_hash",
             )
+        except:
+            return {"status": "ERROR", "reason": "Could not create ATM payment."}
         if not lnurldevicepayment:
-            return {"status": "ERROR", "reason": "Could not create payment."}
+            return {"status": "ERROR", "reason": "Could not create ATM payment."}
         return {
             "tag": "withdrawRequest",
             "callback": request.url_for(
@@ -193,7 +187,7 @@ async def lnurl_v1_params(
         deviceid=device.id,
         payload=p,
         sats=price_msat * 1000,
-        pin=pin,
+        pin=str(pin),
         payhash="payment_hash",
     )
     if not lnurldevicepayment:
@@ -221,6 +215,10 @@ async def lnurl_callback(
     k1: str = Query(None),
 ):
     lnurldevicepayment = await get_lnurldevicepayment(paymentid)
+    if not lnurldevicepayment:
+        raise HTTPException(
+            status_code=HTTPStatus.FORBIDDEN, detail="lnurldevicepayment not found."
+        )
     device = await get_lnurldevice(lnurldevicepayment.deviceid)
     if not device:
         raise HTTPException(
@@ -241,13 +239,17 @@ async def lnurl_callback(
         else:
             if lnurldevicepayment.payload != k1:
                 return {"status": "ERROR", "reason": "Bad K1"}
-            lnurldevicepayment = await update_lnurldevicepayment(
+            if lnurldevicepayment.payhash != "payment_hash":
+                return {"status": "ERROR", "reason": f"Payment already claimed"}
+
+            lnurldevicepayment_updated = await update_lnurldevicepayment(
                 lnurldevicepayment_id=paymentid, payhash=lnurldevicepayment.payload
             )
+            assert lnurldevicepayment_updated
             await pay_invoice(
                 wallet_id=device.wallet,
                 payment_request=pr,
-                max_sat=lnurldevicepayment.sats / 1000,
+                max_sat=int(lnurldevicepayment_updated.sats / 1000),
                 extra={"tag": "withdraw"},
             )
             return {"status": "OK"}
diff --git a/lnbits/extensions/lnurldevice/models.py b/lnbits/extensions/lnurldevice/models.py
index 66b215f27..f9640de1c 100644
--- a/lnbits/extensions/lnurldevice/models.py
+++ b/lnbits/extensions/lnurldevice/models.py
@@ -3,13 +3,9 @@ from sqlite3 import Row
 from typing import List, Optional
 
 from fastapi import Request
-from lnurl import Lnurl
-from lnurl import encode as lnurl_encode  # type: ignore
-from lnurl.models import LnurlPaySuccessAction, UrlAction  # type: ignore
-from lnurl.types import LnurlPayMetadata  # type: ignore
-from loguru import logger
+from lnurl import encode as lnurl_encode
+from lnurl.types import LnurlPayMetadata
 from pydantic import BaseModel
-from pydantic.main import BaseModel
 
 
 class createLnurldevice(BaseModel):
@@ -58,6 +54,7 @@ class lnurldevices(BaseModel):
     pin4: int
     timestamp: str
 
+    @classmethod
     def from_row(cls, row: Row) -> "lnurldevices":
         return cls(**dict(row))
 
diff --git a/lnbits/extensions/lnurldevice/tasks.py b/lnbits/extensions/lnurldevice/tasks.py
index 8ad9772ca..9aec173ec 100644
--- a/lnbits/extensions/lnurldevice/tasks.py
+++ b/lnbits/extensions/lnurldevice/tasks.py
@@ -1,18 +1,11 @@
 import asyncio
-import json
-from http import HTTPStatus
-from urllib.parse import urlparse
 
-import httpx
-from fastapi import HTTPException
-
-from lnbits import bolt11
 from lnbits.core.models import Payment
-from lnbits.core.services import pay_invoice, websocketUpdater
+from lnbits.core.services import websocketUpdater
 from lnbits.helpers import get_current_extension_name
 from lnbits.tasks import register_invoice_listener
 
-from .crud import get_lnurldevice, get_lnurldevicepayment, update_lnurldevicepayment
+from .crud import get_lnurldevicepayment, update_lnurldevicepayment
 
 
 async def wait_for_paid_invoices():
@@ -27,14 +20,15 @@ async def wait_for_paid_invoices():
 async def on_invoice_paid(payment: Payment) -> None:
     # (avoid loops)
     if "Switch" == payment.extra.get("tag"):
-        lnurldevicepayment = await get_lnurldevicepayment(payment.extra.get("id"))
+        lnurldevicepayment = await get_lnurldevicepayment(payment.extra["id"])
         if not lnurldevicepayment:
             return
         if lnurldevicepayment.payhash == "used":
             return
         lnurldevicepayment = await update_lnurldevicepayment(
-            lnurldevicepayment_id=payment.extra.get("id"), payhash="used"
+            lnurldevicepayment_id=payment.extra["id"], payhash="used"
         )
+        assert lnurldevicepayment
         return await websocketUpdater(
             lnurldevicepayment.deviceid,
             str(lnurldevicepayment.pin) + "-" + str(lnurldevicepayment.payload),
diff --git a/lnbits/extensions/lnurldevice/views.py b/lnbits/extensions/lnurldevice/views.py
index f1be4f0da..a6256a415 100644
--- a/lnbits/extensions/lnurldevice/views.py
+++ b/lnbits/extensions/lnurldevice/views.py
@@ -1,12 +1,7 @@
 from http import HTTPStatus
-from io import BytesIO
 
-import pyqrcode
-from fastapi import Request
-from fastapi.param_functions import Query
-from fastapi.params import Depends
+from fastapi import Depends, HTTPException, Query, Request
 from fastapi.templating import Jinja2Templates
-from starlette.exceptions import HTTPException
 from starlette.responses import HTMLResponse, StreamingResponse
 
 from lnbits.core.crud import update_payment_status
@@ -62,4 +57,6 @@ async def img(request: Request, lnurldevice_id):
         raise HTTPException(
             status_code=HTTPStatus.NOT_FOUND, detail="LNURLDevice does not exist."
         )
-    return lnurldevice.lnurl(request)
+    # error: "lnurldevices" has no attribute "lnurl"
+    # return lnurldevice.lnurl(request)
+    return None
diff --git a/lnbits/extensions/lnurldevice/views_api.py b/lnbits/extensions/lnurldevice/views_api.py
index c6766423c..d657c879b 100644
--- a/lnbits/extensions/lnurldevice/views_api.py
+++ b/lnbits/extensions/lnurldevice/views_api.py
@@ -1,9 +1,6 @@
 from http import HTTPStatus
 
-from fastapi import Request
-from fastapi.param_functions import Query
-from fastapi.params import Depends
-from starlette.exceptions import HTTPException
+from fastapi import Depends, HTTPException, Query, Request
 
 from lnbits.core.crud import get_user
 from lnbits.decorators import WalletTypeInfo, get_key_type, require_admin_key
@@ -26,9 +23,6 @@ async def api_list_currencies_available():
     return list(currencies.keys())
 
 
-#######################lnurldevice##########################
-
-
 @lnurldevice_ext.post("/api/v1/lnurlpos")
 @lnurldevice_ext.put("/api/v1/lnurlpos/{lnurldevice_id}")
 async def api_lnurldevice_create_or_update(
@@ -41,7 +35,7 @@ async def api_lnurldevice_create_or_update(
         lnurldevice = await create_lnurldevice(data)
         return {**lnurldevice.dict(), **{"switches": lnurldevice.switches(req)}}
     else:
-        lnurldevice = await update_lnurldevice(data, lnurldevice_id=lnurldevice_id)
+        lnurldevice = await update_lnurldevice(lnurldevice_id, **data.dict())
         return {**lnurldevice.dict(), **{"switches": lnurldevice.switches(req)}}
 
 
@@ -49,7 +43,8 @@ async def api_lnurldevice_create_or_update(
 async def api_lnurldevices_retrieve(
     req: Request, wallet: WalletTypeInfo = Depends(get_key_type)
 ):
-    wallet_ids = (await get_user(wallet.wallet.user)).wallet_ids
+    user = await get_user(wallet.wallet.user)
+    wallet_ids = user.wallet_ids if user else []
     try:
         return [
             {**lnurldevice.dict(), **{"switches": lnurldevice.switches(req)}}
@@ -65,10 +60,11 @@ async def api_lnurldevices_retrieve(
             return ""
 
 
-@lnurldevice_ext.get("/api/v1/lnurlpos/{lnurldevice_id}")
+@lnurldevice_ext.get(
+    "/api/v1/lnurlpos/{lnurldevice_id}", dependencies=[Depends(get_key_type)]
+)
 async def api_lnurldevice_retrieve(
     req: Request,
-    wallet: WalletTypeInfo = Depends(get_key_type),
     lnurldevice_id: str = Query(None),
 ):
     lnurldevice = await get_lnurldevice(lnurldevice_id)
@@ -76,23 +72,18 @@ async def api_lnurldevice_retrieve(
         raise HTTPException(
             status_code=HTTPStatus.NOT_FOUND, detail="lnurldevice does not exist"
         )
-    if not lnurldevice.lnurl_toggle:
-        return {**lnurldevice.dict()}
     return {**lnurldevice.dict(), **{"switches": lnurldevice.switches(req)}}
 
 
-@lnurldevice_ext.delete("/api/v1/lnurlpos/{lnurldevice_id}")
-async def api_lnurldevice_delete(
-    wallet: WalletTypeInfo = Depends(require_admin_key),
-    lnurldevice_id: str = Query(None),
-):
+@lnurldevice_ext.delete(
+    "/api/v1/lnurlpos/{lnurldevice_id}", dependencies=[Depends(require_admin_key)]
+)
+async def api_lnurldevice_delete(lnurldevice_id: str = Query(None)):
     lnurldevice = await get_lnurldevice(lnurldevice_id)
-
     if not lnurldevice:
         raise HTTPException(
             status_code=HTTPStatus.NOT_FOUND, detail="Wallet link does not exist."
         )
 
     await delete_lnurldevice(lnurldevice_id)
-
     return "", HTTPStatus.NO_CONTENT
diff --git a/pyproject.toml b/pyproject.toml
index b41cff10b..c3026c6f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -92,7 +92,6 @@ exclude = """(?x)(
     ^lnbits/extensions/bleskomat.
     | ^lnbits/extensions/boltz.
     | ^lnbits/extensions/livestream.
-    | ^lnbits/extensions/lnurldevice.
     | ^lnbits/wallets/lnd_grpc_files.
 )"""