diff --git a/internal/configs/sharding/mainnet.go b/internal/configs/sharding/mainnet.go
index 0830662ef..e72a51adc 100644
--- a/internal/configs/sharding/mainnet.go
+++ b/internal/configs/sharding/mainnet.go
@@ -36,7 +36,7 @@ const (
 	// MainNetHTTPPattern is the http pattern for mainnet.
 	MainNetHTTPPattern = "https://api.s%d.t.hmny.io"
 	// MainNetWSPattern is the websocket pattern for mainnet.
-	MainNetWSPattern = "wss://api.s%d.t.hmny.io"
+	MainNetWSPattern = "wss://ws.s%d.t.hmny.io"
 )
 
 // MainnetSchedule is the mainnet sharding configuration schedule.
diff --git a/internal/configs/sharding/pangaea.go b/internal/configs/sharding/pangaea.go
index 35a9e129c..3b14e9065 100644
--- a/internal/configs/sharding/pangaea.go
+++ b/internal/configs/sharding/pangaea.go
@@ -14,7 +14,7 @@ const (
 	// PangaeaHTTPPattern is the http pattern for pangaea.
 	PangaeaHTTPPattern = "https://api.s%d.pga.hmny.io"
 	// PangaeaWSPattern is the websocket pattern for pangaea.
-	PangaeaWSPattern = "wss://api.s%d.pga.hmny.io"
+	PangaeaWSPattern = "wss://ws.s%d.pga.hmny.io"
 	// transaction throttling disabled on pangaea network
 	pangaeaEnableTxnThrottling = false
 )
diff --git a/internal/configs/sharding/testnet.go b/internal/configs/sharding/testnet.go
index ef5a0b150..1ee650fa1 100644
--- a/internal/configs/sharding/testnet.go
+++ b/internal/configs/sharding/testnet.go
@@ -33,7 +33,7 @@ const (
 	// TestNetHTTPPattern is the http pattern for testnet.
 	TestNetHTTPPattern = "https://api.s%d.b.hmny.io"
 	// TestNetWSPattern is the websocket pattern for testnet.
-	TestNetWSPattern = "wss://api.s%d.b.hmny.io"
+	TestNetWSPattern = "wss://ws.s%d.b.hmny.io"
 )
 
 func (testnetSchedule) InstanceForEpoch(epoch *big.Int) Instance {