diff --git a/tips.md b/tips.md
index 76e0f12..ee9c8a0 100644
--- a/tips.md
+++ b/tips.md
@@ -81,4 +81,52 @@ NPCなどの会話や操作は音声とAIを使用します。
 - [RuntimeSpeechRecognizer](https://github.com/gtreshchev/RuntimeSpeechRecognizer)
 - [RuntimeAudioImporter](https://github.com/gtreshchev/RuntimeAudioImporter)
 - [ChatGPT](https://platform.openai.com/docs/api-reference/introduction)
-- [elevenlabs](https://elevenlabs.io/docs/api-reference/text-to-speech)
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+- [elevenlabs](https://elevenlabs.io/docs/api-reference/text-to-speech)
+
+```sh
+$ curl https://api.openai.com/v1/chat/completions \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer YOUR_API_KEY" \
+  -d '{
+    "model": "gpt-4o-mini",
+    "messages": [{"role": "user", "content": "Your question here"}],
+    "temperature": 0.7
+  }'
+```
+
+```sh
+$ curl -X POST "https://api.elevenlabs.io/v1/text-to-speech/VOICE_ID" \
+     -H "xi-api-key: YOUR_API_KEY" \
+     -H "Content-Type: application/json" \
+     -d '{
+           "text": "Hello world!",
+           "model_id": "eleven_monolingual_v1",
+           "voice_settings": {
+             "stability": 0.5,
+             "similarity_boost": 0.5
+           }
+         }' \
+     --output output.mp3
+```
+
+## login
+
+loginは[bluesky-social/atproto](https://github.com/bluesky-social/atproto/blob/main/lexicons/com/atproto/server/createSession.json)を使用します。
+
+```sh
+# session
+host=bsky.social
+handle=syui.bsky.social
+pass=xxx
+url=https://$host/xrpc/com.atproto.server.createSession
+curl -sL -X POST -H "Content-Type: application/json" -d "{\"identifier\":\"$handle\",\"password\":\"$pass\"}" $url
+
+# refresh
+j=`!!`
+token=`echo $j|jq -r .accessJwt`
+refresh=`echo $j|jq -r .refreshJwt`
+url=https://$host/xrpc/com.atproto.server.refreshSession
+curl -sL -X POST -H "Content-Type: application/json" -H "Authorization: Bearer $refresh" $url
+```
+
+titleで入力させ、configに入れてWPで表示するとよいでしょう。
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