diff --git a/reference-rpc-endpoint.json b/reference-rpc-endpoint.json
index 445e8676..53c7bdd4 100644
--- a/reference-rpc-endpoint.json
+++ b/reference-rpc-endpoint.json
@@ -274,6 +274,15 @@
     "default": [
       "fantom-testnet"
     ]
+  },
+    "sonic": {
+    "id": 146,
+    "urls": [
+      "https://rpc.soniclabs.com"
+    ],
+    "archive": [
+      "sonic"
+    ]
   },
     "optimism": {
 	"id": 10,