diff --git a/devnets/mahalo/chain.json b/devnets/mahalo/chain.json
index 4810d85..0789228 100644
--- a/devnets/mahalo/chain.json
+++ b/devnets/mahalo/chain.json
@@ -97,7 +97,12 @@
         "provider": "Foundation"
       }
     ],
-    "grpc": []
+    "grpc": [
+      {
+        "address": "grpc://34.143.171.2:9090",
+        "provider": "Foundation"
+      }
+    ]
   },
   "explorers": [
     {
diff --git a/devnets/minimove/chain.json b/devnets/minimove/chain.json
index 19418f0..8277874 100644
--- a/devnets/minimove/chain.json
+++ b/devnets/minimove/chain.json
@@ -94,7 +94,12 @@
         "provider": "Foundation"
       }
     ],
-    "grpc": []
+    "grpc": [
+      {
+        "address": "grpc://34.142.143.85:9090",
+        "provider": "Foundation"
+      }
+    ]
   },
   "explorers": [
     {
diff --git a/devnets/miniwasm/chain.json b/devnets/miniwasm/chain.json
index f634767..d5d11b4 100644
--- a/devnets/miniwasm/chain.json
+++ b/devnets/miniwasm/chain.json
@@ -99,7 +99,12 @@
         "provider": "Foundation"
       }
     ],
-    "grpc": []
+    "grpc": [
+      {
+        "address": "grpc://34.126.113.169:9090",
+        "provider": "Foundation"
+      }
+    ]
   },
   "explorers": [
     {
@@ -125,4 +130,4 @@
     "png": "https://raw.githubusercontent.com/initia/initia-registry/main/miniwasm/images/INIT.png",
     "svg": "https://raw.githubusercontent.com/initia/initia-registry/main/miniwasm/images/INIT.svg"
   }
-}
\ No newline at end of file
+}