diff --git a/gateway/platforms/webhook.py b/gateway/platforms/webhook.py
index aaed64b8f0d..48bbf7a4108 100644
--- a/gateway/platforms/webhook.py
+++ b/gateway/platforms/webhook.py
@@ -186,14 +186,22 @@ class WebhookAdapter(BasePlatformAdapter):
         if deliver_type == "github_comment":
             return await self._deliver_github_comment(content, delivery)
 
-        # Cross-platform delivery (telegram, discord, etc.)
+        # Cross-platform delivery — any platform with a gateway adapter
         if self.gateway_runner and deliver_type in (
             "telegram",
             "discord",
             "slack",
             "signal",
             "sms",
+            "whatsapp",
+            "matrix",
             "mattermost",
+            "homeassistant",
+            "email",
+            "dingtalk",
+            "feishu",
+            "wecom",
+            "bluebubbles",
         ):
             return await self._deliver_cross_platform(
                 deliver_type, content, delivery
diff --git a/website/docs/user-guide/messaging/webhooks.md b/website/docs/user-guide/messaging/webhooks.md
index 700fea198a5..e70204a3c7e 100644
--- a/website/docs/user-guide/messaging/webhooks.md
+++ b/website/docs/user-guide/messaging/webhooks.md
@@ -70,7 +70,7 @@ Routes define how different webhook sources are handled. Each route is a named e
 | `secret` | **Yes** | HMAC secret for signature validation. Falls back to the global `secret` if not set on the route. Set to `"INSECURE_NO_AUTH"` for testing only (skips validation). |
 | `prompt` | No | Template string with dot-notation payload access (e.g. `{pull_request.title}`). If omitted, the full JSON payload is dumped into the prompt. |
 | `skills` | No | List of skill names to load for the agent run. |
-| `deliver` | No | Where to send the response: `github_comment`, `telegram`, `discord`, `slack`, `signal`, `matrix`, `mattermost`, `email`, `sms`, `dingtalk`, `feishu`, `wecom`, or `log` (default). |
+| `deliver` | No | Where to send the response: `github_comment`, `telegram`, `discord`, `slack`, `signal`, `sms`, `whatsapp`, `matrix`, `mattermost`, `homeassistant`, `email`, `dingtalk`, `feishu`, `wecom`, `bluebubbles`, or `log` (default). |
 | `deliver_extra` | No | Additional delivery config — keys depend on `deliver` type (e.g. `repo`, `pr_number`, `chat_id`). Values support the same `{dot.notation}` templates as `prompt`. |
 
 ### Full example
@@ -225,8 +225,17 @@ The `deliver` field controls where the agent's response goes after processing th
 | `slack` | Routes the response to Slack. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
 | `signal` | Routes the response to Signal. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
 | `sms` | Routes the response to SMS via Twilio. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `whatsapp` | Routes the response to WhatsApp. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `matrix` | Routes the response to Matrix. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `mattermost` | Routes the response to Mattermost. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `homeassistant` | Routes the response to Home Assistant. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `email` | Routes the response to Email. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `dingtalk` | Routes the response to DingTalk. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `feishu` | Routes the response to Feishu/Lark. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `wecom` | Routes the response to WeCom. Uses the home channel, or specify `chat_id` in `deliver_extra`. |
+| `bluebubbles` | Routes the response to BlueBubbles (iMessage). Uses the home channel, or specify `chat_id` in `deliver_extra`. |
 
-For cross-platform delivery (telegram, discord, slack, signal, sms), the target platform must also be enabled and connected in the gateway. If no `chat_id` is provided in `deliver_extra`, the response is sent to that platform's configured home channel.
+For cross-platform delivery, the target platform must also be enabled and connected in the gateway. If no `chat_id` is provided in `deliver_extra`, the response is sent to that platform's configured home channel.
 
 ---