diff --git a/reference-rpc-endpoint.sh b/reference-rpc-endpoint.sh
index d377786e..ae5c940d 100755
--- a/reference-rpc-endpoint.sh
+++ b/reference-rpc-endpoint.sh
@@ -1,43 +1,38 @@
 #!/bin/bash
 
-# Check if the script is provided with the correct number of arguments
-if [ $# -lt 1 ] || [ $# -gt 2 ]; then
-    echo "Usage: $0 <id> [<index>]"
+if [ $# -gt 2 ]; then
     exit 1
 fi
 
-# ID and index provided as arguments
-id="$1"
+read -r id
+if [ -z "$id" ]; then
+    id="$1"
+fi
+
+if [[ $id == 0x* ]]; then
+    id=$(printf "%d" "$id")
+fi
 
-# Set index to 0 if not provided as the second argument
 index="${2:-0}"
 
-# Check if the JSON file exists
 json_file="reference-rpc-endpoint.json"
 if [ ! -f "$json_file" ]; then
     exit 1
 fi
 
-# Use jq to find the object with the provided id
 object=$(jq --arg id "$id" '.[] | select(.id == ($id | tonumber))' "$json_file")
 
-# Check if the object exists
 if [ -z "$object" ]; then
     exit 1
 fi
 
-# Extract the URLs array from the object
 urls=$(echo "$object" | jq -r '.urls')
 
-# Check if the index is out of range
 num_urls=$(echo "$urls" | jq -r 'length')
 if [ "$index" -ge "$num_urls" ]; then
-    #echo "Error: Index '$index' is out of range for ID '$id'."
     exit 1
 fi
 
-# Extract the URL at the specified index
 url=$(echo "$urls" | jq -r ".[$index]")
 
-# Print the URL
 echo "$url"