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

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