curl --request POST \
  --url https://{defaultHost}/v1/apps/{app_id}/api_keys \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Authorization: <api-key>'

{
  "api_key": {
    "id": "<string>",
    "nickname": "<string>",
    "token": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
}