curl --request POST \
  --url https://api.shoppex.io/dev/v1/blacklist \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "IP",
  "value": "203.0.113.10",
  "reason": "Chargeback abuse"
}
'

{
  "data": {}
}