diff --git a/lnurl-test/src/test/scala/org/bitcoins/lnurl/LnURLClientTest.scala b/lnurl-test/src/test/scala/org/bitcoins/lnurl/LnURLClientTest.scala
index f387d65dc2..f6b288765f 100644
--- a/lnurl-test/src/test/scala/org/bitcoins/lnurl/LnURLClientTest.scala
+++ b/lnurl-test/src/test/scala/org/bitcoins/lnurl/LnURLClientTest.scala
@@ -28,7 +28,7 @@ class LnURLClientTest extends BitcoinSAsyncTest {
     client.makeRequest(lnurl).flatMap {
       case pay: LnURLPayResponse =>
         val amt = pay.minSendable.toLnCurrencyUnit
-        client.getInvoice(pay, amt).map { inv =>
+        client.getInvoice(pay, amt, Map.empty).map { inv =>
           assert(inv.amount.contains(amt))
           assert(inv.lnTags.descriptionHash.exists(_.hash == pay.metadataHash))
         }
diff --git a/lnurl/src/main/scala/org/bitcoins/lnurl/LnURLClient.scala b/lnurl/src/main/scala/org/bitcoins/lnurl/LnURLClient.scala
index 8abd39782a..f81f28767b 100644
--- a/lnurl/src/main/scala/org/bitcoins/lnurl/LnURLClient.scala
+++ b/lnurl/src/main/scala/org/bitcoins/lnurl/LnURLClient.scala
@@ -72,21 +72,28 @@ class LnURLClient(proxyParams: Option[Socks5ProxyParams])(implicit
 
   def getInvoice(
       pay: LnURLPayResponse,
-      amount: LnCurrencyUnit): Future[LnInvoice] = {
-    getInvoice(pay, amount.toMSat)
+      amount: LnCurrencyUnit,
+      extraParams: Map[String, String]): Future[LnInvoice] = {
+    getInvoice(pay, amount.toMSat, extraParams)
   }
 
   def getInvoice(
       pay: LnURLPayResponse,
-      amount: CurrencyUnit): Future[LnInvoice] = {
-    getInvoice(pay, MilliSatoshis(amount))
+      amount: CurrencyUnit,
+      extraParams: Map[String, String]): Future[LnInvoice] = {
+    getInvoice(pay, MilliSatoshis(amount), extraParams)
   }
 
   def getInvoice(
       pay: LnURLPayResponse,
-      amount: MilliSatoshis): Future[LnInvoice] = {
+      amount: MilliSatoshis,
+      extraParams: Map[String, String]): Future[LnInvoice] = {
     val symbol = if (pay.callback.toString.contains("?")) "&" else "?"
-    val url = s"${pay.callback}${symbol}amount=${amount.toLong}"
+    val queryStringParams =
+      extraParams.map(kv => s"${kv._1}=${kv._2}").mkString("&")
+
+    val qsStr = if (queryStringParams.isEmpty) "" else s"&$queryStringParams"
+    val url = s"${pay.callback}${symbol}amount=${amount.toLong}$qsStr"
     sendRequestAndParse[LnURLPayInvoice](Get(url)).map(_.pr)
   }