概要

curl -X POST https://<application_id>.chat.rheel.net/v1/users \
  -H "X-Rheel-API-Key: <API_KEY>" \
  -H "Content-Type: application/json"

https://<application_id>.chat.rheel.net/v1

{
  "id": "user_123",
  "name": "山田太郎",
  "created_at": "2025-03-21T10:00:00Z"
}

{
  "error": {
    "code": "ERROR_CODE",
    "message": "エラーの詳細メッセージ"
  }
}