diff --git a/examples/.env.example b/examples/.env.example
index 5a57962..29edd26 100644
--- a/examples/.env.example
+++ b/examples/.env.example
@@ -1,2 +1,4 @@
 BOT_ACCESS_TOKEN=SuperSecretToken
 BOT_VERIFICATION_TOKEN=SuperSecretVerificationToken
+WEBHOOK_SECRET=SuperSecretWebhookSecret
+WEBHOOK_ID=SuperSecretWebhookId
diff --git a/examples/webhook.py b/examples/webhook.py
new file mode 100644
index 0000000..e3bc5cd
--- /dev/null
+++ b/examples/webhook.py
@@ -0,0 +1,40 @@
+import os
+from os.path import join, dirname
+from dotenv import load_dotenv
+from aiotraq import Client
+from aiotraq.api.webhook import post_webhook
+import hashlib
+import hmac
+
+
+dotenv_path = join(dirname(__file__), ".env")
+load_dotenv(dotenv_path)
+
+WEBHOOK_ID = os.getenv("WEBHOOK_ID")
+WEBHOOK_SECRET = os.getenv("WEBHOOK_SECRET")
+
+
+def main() -> None:
+    client = Client(base_url="https://q.trap.jp/api/v3")
+
+    with client as client:
+        if WEBHOOK_ID is None or WEBHOOK_SECRET is None:
+            print("WEBHOOK_ID or WEBHOOK_SECRET is not set.")
+            return
+
+        message = "Hello World!"
+        # メッセージ本文をWebhookシークレットでHMAC-SHA1でハッシュ化した結果をhex形式で表した文字列
+        # https://bot-console.trap.jp/docs/webhook/send
+        secret = hmac.new(WEBHOOK_SECRET.encode(), message.encode(), hashlib.sha1).hexdigest()
+
+        result = post_webhook.sync_detailed(
+            client=client,
+            webhook_id=WEBHOOK_ID,
+            body=message,
+            x_traq_signature=secret,
+        )
+        print(result)
+
+
+if __name__ == "__main__":
+    main()