curl -X POST 'https://app.lety.ai/api/v1/agents/02528122-4ff0-45d3-b8df-a3e5c40bc423/chat' \
-H 'Content-Type: application/json' \
-H 'external-api-key: sk_sub_SD9Ful3MjyIOH4DxTvVUGUTTDxrlX0oHB' \
-d '{
"message": "Hello",
"conversationId": "your-conversation-id"
}'
