curl --request GET \
  --url https://api.supernotes.app/v1/members/{card_id} \
  --header 'Api-Key: <api-key>'

{
  "[card_id]": {
    "status": -2,
    "perms": -1,
    "via_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}