diff --git a/templates/tpos/index.html b/templates/tpos/index.html
index f0c8ceb..2c63aa0 100644
--- a/templates/tpos/index.html
+++ b/templates/tpos/index.html
@@ -859,17 +859,13 @@ <h6 class="text-subtitle1 q-my-none">
     },
     computed: {
       categoryList() {
-        return this.tposs.reduce((acc, tpos) => {
-          tpos.items.forEach(item => {
-            item.categories &&
-            item.categories.forEach(category => {
-              if (!acc.includes(category)) {
-                acc.push(category)
-              }
-            })
-          })
-          return acc
-        }, [])
+        return Array.from(
+          new Set(
+            this.tposs.flatMap(tpos =>
+              tpos.items.flatMap(item => item.categories || [])
+            )
+          )
+        )
       }
     },
     methods: {
@@ -952,7 +948,7 @@ <h6 class="text-subtitle1 q-my-none">
       },
       createTPoS(wallet, data) {
         LNbits.api
-          .request('POST', '/tpos/api/v1/tposs', wallet.inkey, data)
+          .request('POST', '/tpos/api/v1/tposs', wallet.adminkey, data)
           .then(response => {
             this.tposs.push(mapTPoS(response.data))
             this.closeFormDialog()
diff --git a/views_api.py b/views_api.py
index e68f071..d227b28 100644
--- a/views_api.py
+++ b/views_api.py
@@ -47,7 +47,7 @@ async def api_tposs(
 
 @tpos_ext.post("/api/v1/tposs", status_code=HTTPStatus.CREATED)
 async def api_tpos_create(
-    data: CreateTposData, wallet: WalletTypeInfo = Depends(get_key_type)
+    data: CreateTposData, wallet: WalletTypeInfo = Depends(require_admin_key)
 ):
     tpos = await create_tpos(wallet_id=wallet.wallet.id, data=data)
     return tpos.dict()