diff --git a/agoric/chain.json b/agoric/chain.json
index bcc99f0cad..6c4444832f 100644
--- a/agoric/chain.json
+++ b/agoric/chain.json
@@ -77,6 +77,10 @@
       {
         "address": "https://grpc.agoric.nodestake.top",
         "provider": "NodeStake"
+      },
+      {
+        "address": "agoric-grpc.polkachu.com:44090",
+        "provider": "Polkachu"
       }
     ]
   }
diff --git a/akash/chain.json b/akash/chain.json
index 2fb5e1ce2e..8e45c38662 100644
--- a/akash/chain.json
+++ b/akash/chain.json
@@ -207,6 +207,10 @@
             {
                 "address": "grpc-akash-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "akash-grpc.polkachu.com:28090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/assetmantle/chain.json b/assetmantle/chain.json
index f24f31eb6d..a188155a5a 100644
--- a/assetmantle/chain.json
+++ b/assetmantle/chain.json
@@ -369,6 +369,10 @@
             {
                 "address": "grpc-assetmantle-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "assetmantle-grpc.polkachu.com:46090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/axelar/chain.json b/axelar/chain.json
index 2f9f679deb..d2a4436e80 100644
--- a/axelar/chain.json
+++ b/axelar/chain.json
@@ -100,6 +100,10 @@
             {
                 "address": "grpc-axelar-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "axelar-grpc.polkachu.com:51090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/bitcanna/chain.json b/bitcanna/chain.json
index b9d638e863..044b275f4d 100644
--- a/bitcanna/chain.json
+++ b/bitcanna/chain.json
@@ -138,7 +138,11 @@
             {
                 "address": "grpc-bitcanna-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
-            }
+            },
+            {
+              "address": "bitcanna-grpc.polkachu.com:30090",
+              "provider": "Polkachu"
+          }
         ],
         "rest": [
             {
diff --git a/canto/chain.json b/canto/chain.json
index b684ac13e8..63ec26491b 100644
--- a/canto/chain.json
+++ b/canto/chain.json
@@ -86,6 +86,10 @@
       }
     ],
     "grpc": [
+      {
+        "address": "canto-grpc.polkachu.com:55090",
+        "provider": "Polkachu"
+      }
     ],
     "evm-http-jsonrpc": [
       {
diff --git a/cerberus/chain.json b/cerberus/chain.json
index 7943a42ece..f18923f649 100644
--- a/cerberus/chain.json
+++ b/cerberus/chain.json
@@ -135,6 +135,10 @@
             {
                 "address": "grpc-cerberus-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "cerberus-grpc.polkachu.com:38090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/chihuahua/chain.json b/chihuahua/chain.json
index 879235d286..c5ce3d10cf 100644
--- a/chihuahua/chain.json
+++ b/chihuahua/chain.json
@@ -127,6 +127,10 @@
             {
                 "address": "grpc-chihuahua-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "chihuahua-grpc.polkachu.com:29090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/comdex/chain.json b/comdex/chain.json
index 6a9e6b02ab..c8d8588d9d 100644
--- a/comdex/chain.json
+++ b/comdex/chain.json
@@ -145,6 +145,10 @@
             {
                 "address": "https://comdex.grpcui.chaintools.host/",
                 "provider": "ChainTools"
+            },
+            {
+                "address": "comdex-grpc.polkachu.com:31090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/cosmoshub/chain.json b/cosmoshub/chain.json
index 2641b0b5df..eaa720b374 100644
--- a/cosmoshub/chain.json
+++ b/cosmoshub/chain.json
@@ -263,6 +263,10 @@
             {
                 "address": "grpc-cosmoshub-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "cosmos-grpc.polkachu.com:49090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/crescent/chain.json b/crescent/chain.json
index 8cf602eacf..91686b38cd 100644
--- a/crescent/chain.json
+++ b/crescent/chain.json
@@ -140,6 +140,10 @@
       {
         "address": "mainnet.crescent.network:9090",
         "provider": "crescent"
+      },
+      {
+        "address": "crescent-grpc.polkachu.com:45090",
+        "provider": "Polkachu"
       }
     ]
   },
diff --git a/evmos/chain.json b/evmos/chain.json
index ac566fe2a8..effdc25634 100644
--- a/evmos/chain.json
+++ b/evmos/chain.json
@@ -221,6 +221,10 @@
       {
         "address": "https://evmos.grpcui.chaintools.host/",
         "provider": "ChainTools"
+      },
+      {
+        "address": "evmos-grpc.polkachu.com:34090",
+        "provider": "Polkachu"
       }
     ],
     "evm-http-jsonrpc": [
diff --git a/fetchhub/chain.json b/fetchhub/chain.json
index 4bb0b1d9e8..a390ec68e0 100644
--- a/fetchhub/chain.json
+++ b/fetchhub/chain.json
@@ -81,7 +81,7 @@
             {
                 "address": "https://fetchapi.terminet.io",
                 "provider": "Terminet"
-            },                   
+            },
             {
                 "address": "https://rpc-fetchhub-ia.cosmosia.notional.ventures/",
                 "provider": "Notional"
@@ -105,6 +105,10 @@
             {
                 "address": "grpc-fetchhub-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "fetch-grpc.polkachu.com:52090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/gravitybridge/chain.json b/gravitybridge/chain.json
index a396cbf405..2d67df34ac 100644
--- a/gravitybridge/chain.json
+++ b/gravitybridge/chain.json
@@ -129,6 +129,10 @@
       {
         "address": "https://grpc.gravity-bridge.nodestake.top",
         "provider": "NodeStake"
+      },
+      {
+        "address": "gravity-grpc.polkachu.com:42090",
+        "provider": "Polkachu"
       }
     ]
   },
diff --git a/injective/chain.json b/injective/chain.json
index 2095d0d7ac..f483ac4495 100644
--- a/injective/chain.json
+++ b/injective/chain.json
@@ -111,6 +111,10 @@
             {
                 "address": "grpc-injective-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "injective-grpc.polkachu.com:9900",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/juno/chain.json b/juno/chain.json
index 840acda556..bc03b3cea4 100644
--- a/juno/chain.json
+++ b/juno/chain.json
@@ -179,8 +179,11 @@
         {
           "address": "https://juno.grpcui.chaintools.host/",
           "provider": "ChainTools"
+        },
+        {
+          "address": "juno-grpc.polkachu.com:9090",
+          "provider": "Polkachu"
         }
-        
       ]
     },
     "explorers": [
diff --git a/kava/chain.json b/kava/chain.json
index 363bf4c3e9..e333fba3d4 100644
--- a/kava/chain.json
+++ b/kava/chain.json
@@ -114,6 +114,10 @@
             {
                 "address": "grpc-kava-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "kava-grpc.polkachu.com:39090",
+                "provider": "Polkachu"
             }
         ],
         "evm-http-jsonrpc": [
diff --git a/kichain/chain.json b/kichain/chain.json
index 00d0e8410b..ef340702bf 100644
--- a/kichain/chain.json
+++ b/kichain/chain.json
@@ -116,6 +116,10 @@
             {
                 "address": "grpc-kichain-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "kichain-grpc.polkachu.com:35090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/konstellation/chain.json b/konstellation/chain.json
index 4ffcad8700..af7d4c656f 100644
--- a/konstellation/chain.json
+++ b/konstellation/chain.json
@@ -133,6 +133,10 @@
             {
                 "address": "grpc-konstellation-ia.cosmosia.notional.ventures:443/",
                 "provider": "Notional"
+            },
+            {
+                "address": "konstellation-grpc.polkachu.com:33090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/kujira/chain.json b/kujira/chain.json
index 04c2a822a3..ec0e350df5 100644
--- a/kujira/chain.json
+++ b/kujira/chain.json
@@ -65,6 +65,10 @@
             {
                 "address": "https://grpc-kujira-ia.cosmosia.notional.ventures/",
                 "provider": "Notional"
+            },
+            {
+                "address": "kujira-grpc.polkachu.com:18090",
+                "provider": "Polkachu"
             }
         ],
         "rest": [
diff --git a/osmosis/chain.json b/osmosis/chain.json
index a879d5c3bf..00cd19ea61 100644
--- a/osmosis/chain.json
+++ b/osmosis/chain.json
@@ -351,6 +351,10 @@
             {
                 "address": "grpc-osmosis-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "osmosis-grpc.polkachu.com:9090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/passage/chain.json b/passage/chain.json
index 2d8086582b..813ecd4163 100644
--- a/passage/chain.json
+++ b/passage/chain.json
@@ -145,6 +145,10 @@
             {
                 "address" : "grpc-passage-ia.cosmosia.notional.ventures:443",
                 "provider" : "Notional"
+            },
+            {
+                "address": "passage-grpc.polkachu.com:56090",
+                "provider": "Polkachu"
             }
         ]
     },
diff --git a/sifchain/chain.json b/sifchain/chain.json
index c246f85c9c..00cfba61a8 100644
--- a/sifchain/chain.json
+++ b/sifchain/chain.json
@@ -93,6 +93,10 @@
             {
                 "address": "grpc-sifchain-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+            {
+                "address": "sifchain-grpc.polkachu.com:32090",
+                "provider": "Polkachu"
             }
         ],
         "rest": [
diff --git a/sommelier/chain.json b/sommelier/chain.json
index 7dfb3c67a0..9f016dc4ae 100644
--- a/sommelier/chain.json
+++ b/sommelier/chain.json
@@ -122,6 +122,10 @@
       {
         "address": "35.230.37.28:9090",
         "provider": "strangelove"
+      },
+      {
+        "address": "sommelier-grpc.polkachu.com:41090",
+        "provider": "Polkachu"
       }
     ]
   },
diff --git a/stargaze/chain.json b/stargaze/chain.json
index d049ec4b0d..72c2b0a6ba 100644
--- a/stargaze/chain.json
+++ b/stargaze/chain.json
@@ -205,6 +205,10 @@
       {
         "address": "grpc-stargaze-ia.cosmosia.notional.ventures:443",
         "provider": "Notional"
+      },
+      {
+        "address": "stargaze-grpc.polkachu.com:37090",
+        "provider": "Polkachu"
       }
     ]
   },
diff --git a/umee/chain.json b/umee/chain.json
index 05b566200f..92e9b5134a 100644
--- a/umee/chain.json
+++ b/umee/chain.json
@@ -153,6 +153,10 @@
             {
                 "address": "grpc-umee-ia.cosmosia.notional.ventures:443",
                 "provider": "Notional"
+            },
+			{
+                "address": "umee-grpc.polkachu.com:36090",
+                "provider": "Polkachu"
             }
 		]
 	},