diff --git a/docs/src/api/class-page.md b/docs/src/api/class-page.md
index 60512f51ca70d..f0c8b34b09fc7 100644
--- a/docs/src/api/class-page.md
+++ b/docs/src/api/class-page.md
@@ -3699,8 +3699,8 @@ await page.routeWebSocket('/ws', ws => {
 
 ```java
 page.routeWebSocket("/ws", ws -> {
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       ws.send("response");
   });
 });
@@ -3730,8 +3730,8 @@ page.route_web_socket("/ws", handler)
 
 ```csharp
 await page.RouteWebSocketAsync("/ws", ws => {
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       ws.Send("response");
   });
 });
diff --git a/docs/src/api/class-websocketroute.md b/docs/src/api/class-websocketroute.md
index b827db25dd6e7..e23316ebcbd07 100644
--- a/docs/src/api/class-websocketroute.md
+++ b/docs/src/api/class-websocketroute.md
@@ -18,8 +18,8 @@ await page.routeWebSocket('wss://example.com/ws', ws => {
 
 ```java
 page.routeWebSocket("wss://example.com/ws", ws -> {
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       ws.send("response");
   });
 });
@@ -47,8 +47,8 @@ page.route_web_socket("wss://example.com/ws", lambda ws: ws.on_message(
 
 ```csharp
 await page.RouteWebSocketAsync("wss://example.com/ws", ws => {
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       ws.Send("response");
   });
 });
@@ -70,8 +70,8 @@ await page.routeWebSocket('wss://example.com/ws', ws => {
 
 ```java
 page.routeWebSocket("wss://example.com/ws", ws -> {
-  ws.onMessage(message -> {
-    JsonObject json = new JsonParser().parse(message).getAsJsonObject();
+  ws.onMessage(frame -> {
+    JsonObject json = new JsonParser().parse(frame.text()).getAsJsonObject();
     if ("question".equals(json.get("request").getAsString())) {
       Map<String, String> result = new HashMap();
       result.put("response", "answer");
@@ -105,8 +105,8 @@ page.route_web_socket("wss://example.com/ws", lambda ws: ws.on_message(
 
 ```csharp
 await page.RouteWebSocketAsync("wss://example.com/ws", ws => {
-  ws.OnMessage(message => {
-    using var jsonDoc = JsonDocument.Parse(message);
+  ws.OnMessage(frame => {
+    using var jsonDoc = JsonDocument.Parse(frame.Text);
     JsonElement root = jsonDoc.RootElement;
     if (root.TryGetProperty("request", out JsonElement requestElement) && requestElement.GetString() == "question")
     {
@@ -140,11 +140,11 @@ await page.routeWebSocket('/ws', ws => {
 ```java
 page.routeWebSocket("/ws", ws -> {
   WebSocketRoute server = ws.connectToServer();
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       server.send("request2");
     else
-      server.send(message);
+      server.send(frame.text());
   });
 });
 ```
@@ -180,11 +180,11 @@ page.route_web_socket("/ws", handler)
 ```csharp
 await page.RouteWebSocketAsync("/ws", ws => {
   var server = ws.ConnectToServer();
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       server.Send("request2");
     else
-      server.Send(message);
+      server.Send(frame.Text);
   });
 });
 ```
@@ -215,13 +215,13 @@ await page.routeWebSocket('/ws', ws => {
 ```java
 page.routeWebSocket("/ws", ws -> {
   WebSocketRoute server = ws.connectToServer();
-  ws.onMessage(message -> {
-    if (!"blocked-from-the-page".equals(message))
-      server.send(message);
+  ws.onMessage(frame -> {
+    if (!"blocked-from-the-page".equals(frame.text()))
+      server.send(frame.text());
   });
-  server.onMessage(message -> {
-    if (!"blocked-from-the-server".equals(message))
-      ws.send(message);
+  server.onMessage(frame -> {
+    if (!"blocked-from-the-server".equals(frame.text()))
+      ws.send(frame.text());
   });
 });
 ```
@@ -263,13 +263,13 @@ page.route_web_socket("/ws", handler)
 ```csharp
 await page.RouteWebSocketAsync("/ws", ws => {
   var server = ws.ConnectToServer();
-  ws.OnMessage(message => {
-    if (message != "blocked-from-the-page")
-      server.Send(message);
+  ws.OnMessage(frame => {
+    if (frame.Text != "blocked-from-the-page")
+      server.Send(frame.Text);
   });
-  server.OnMessage(message => {
-    if (message != "blocked-from-the-server")
-      ws.Send(message);
+  server.OnMessage(frame => {
+    if (frame.Text != "blocked-from-the-server")
+      ws.Send(frame.Text);
   });
 });
 ```
diff --git a/docs/src/mock.md b/docs/src/mock.md
index a061efaff143e..6ecf6d4b5b2f8 100644
--- a/docs/src/mock.md
+++ b/docs/src/mock.md
@@ -450,8 +450,8 @@ await page.routeWebSocket('wss://example.com/ws', ws => {
 
 ```java
 page.routeWebSocket("wss://example.com/ws", ws -> {
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       ws.send("response");
   });
 });
@@ -479,8 +479,8 @@ page.route_web_socket("wss://example.com/ws", lambda ws: ws.on_message(
 
 ```csharp
 await page.RouteWebSocketAsync("wss://example.com/ws", ws => {
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       ws.Send("response");
   });
 });
@@ -503,11 +503,11 @@ await page.routeWebSocket('wss://example.com/ws', ws => {
 ```java
 page.routeWebSocket("wss://example.com/ws", ws -> {
   WebSocketRoute server = ws.connectToServer();
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       server.send("request2");
     else
-      server.send(message);
+      server.send(frame.text());
   });
 });
 ```
@@ -543,11 +543,11 @@ page.route_web_socket("wss://example.com/ws", handler)
 ```csharp
 await page.RouteWebSocketAsync("wss://example.com/ws", ws => {
   var server = ws.ConnectToServer();
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       server.Send("request2");
     else
-      server.Send(message);
+      server.Send(frame.Text);
   });
 });
 ```
diff --git a/docs/src/release-notes-csharp.md b/docs/src/release-notes-csharp.md
index fee7d732fec4b..130b9d4a7168c 100644
--- a/docs/src/release-notes-csharp.md
+++ b/docs/src/release-notes-csharp.md
@@ -13,8 +13,8 @@ New methods [`method: Page.routeWebSocket`] and [`method: BrowserContext.routeWe
 
 ```csharp
 await page.RouteWebSocketAsync("/ws", ws => {
-  ws.OnMessage(message => {
-    if (message == "request")
+  ws.OnMessage(frame => {
+    if (frame.Text == "request")
       ws.Send("response");
   });
 });
diff --git a/docs/src/release-notes-java.md b/docs/src/release-notes-java.md
index ae9735861129c..c817a5a178423 100644
--- a/docs/src/release-notes-java.md
+++ b/docs/src/release-notes-java.md
@@ -12,8 +12,8 @@ New methods [`method: Page.routeWebSocket`] and [`method: BrowserContext.routeWe
 
 ```java
 page.routeWebSocket("/ws", ws -> {
-  ws.onMessage(message -> {
-    if ("request".equals(message))
+  ws.onMessage(frame -> {
+    if ("request".equals(frame.text()))
       ws.send("response");
   });
 });