diff --git a/lnbits/core/templates/core/_api_docs.html b/lnbits/core/templates/core/_api_docs.html
index c7f3f9ade..0e74f38e4 100644
--- a/lnbits/core/templates/core/_api_docs.html
+++ b/lnbits/core/templates/core/_api_docs.html
@@ -61,7 +61,7 @@
         <code
           >curl -X POST {{ request.base_url }}api/v1/payments -d '{"out": false,
           "amount": &lt;int&gt;, "memo": &lt;string&gt;, "webhook":
-          &lt;url:string&gt;}' -H "X-Api-Key: <i>{{ wallet.inkey }}</i>" -H
+          &lt;url:string&gt;, "unit": &lt;string&gt;}' -H "X-Api-Key: <i>{{ wallet.inkey }}</i>" -H
           "Content-type: application/json"</code
         >
       </q-card-section>
diff --git a/lnbits/core/templates/core/wallet.html b/lnbits/core/templates/core/wallet.html
index 2b6ec5dec..95436f860 100644
--- a/lnbits/core/templates/core/wallet.html
+++ b/lnbits/core/templates/core/wallet.html
@@ -417,9 +417,11 @@
         filled
         dense
         v-model.number="receive.data.amount"
-        type="number"
-        label="Amount ({{LNBITS_DENOMINATION}}) *"
-        :step="receive.unit != 'sat' ? '0.001' : '1'"
+        :label="'Amount (' + receive.unit + ') *'"
+        :mask="receive.unit != 'sat' ? '#.##' : '#'"
+        fill-mask="0"
+        reverse-fill-mask
+        :step="receive.unit != 'sat' ? '0.01' : '1'"
         :min="receive.minMax[0]"
         :max="receive.minMax[1]"
         :readonly="receive.lnurl && receive.lnurl.fixed"
@@ -437,7 +439,7 @@
         <q-btn
           unelevated
           color="primary"
-          :disable="receive.data.memo == null || receive.data.amount == null || receive.data.amount <= 0"
+          :disable="receive.data.amount == null || receive.data.amount <= 0"
           type="submit"
         >
           <span v-if="receive.lnurl">
diff --git a/lnbits/core/views/api.py b/lnbits/core/views/api.py
index 107a26846..d607e1492 100644
--- a/lnbits/core/views/api.py
+++ b/lnbits/core/views/api.py
@@ -31,6 +31,7 @@ from lnbits.utils.exchange_rates import (
     fiat_amount_as_satoshis,
     satoshis_amount_as_fiat,
 )
+from lnbits.settings import LNBITS_SITE_TITLE
 
 from .. import core_app, db
 from ..crud import (
@@ -123,7 +124,7 @@ async def api_payments(wallet: WalletTypeInfo = Depends(get_key_type)):
 
 class CreateInvoiceData(BaseModel):
     out: Optional[bool] = True
-    amount: int = Query(None, ge=1)
+    amount: float = Query(None, ge=0)
     memo: str = None
     unit: Optional[str] = "sat"
     description_hash: Optional[str] = None
@@ -140,9 +141,9 @@ async def api_payments_create_invoice(data: CreateInvoiceData, wallet: Wallet):
         memo = ""
     else:
         description_hash = b""
-        memo = data.memo
+        memo = data.memo or LNBITS_SITE_TITLE
     if data.unit == "sat":
-        amount = data.amount
+        amount = int(data.amount)
     else:
         price_in_sats = await fiat_amount_as_satoshis(data.amount, data.unit)
         amount = price_in_sats
@@ -292,11 +293,11 @@ async def api_payments_pay_lnurl(
             detail=f"{domain} returned an invalid invoice. Expected {data.amount} msat, got {invoice.amount_msat}.",
         )
 
-  #  if invoice.description_hash != data.description_hash:
-  #      raise HTTPException(
-  #          status_code=HTTPStatus.BAD_REQUEST,
-  #          detail=f"{domain} returned an invalid invoice. Expected description_hash == {data.description_hash}, got {invoice.description_hash}.",
-  #      )
+    #  if invoice.description_hash != data.description_hash:
+    #      raise HTTPException(
+    #          status_code=HTTPStatus.BAD_REQUEST,
+    #          detail=f"{domain} returned an invalid invoice. Expected description_hash == {data.description_hash}, got {invoice.description_hash}.",
+    #      )
 
     extra = {}