curl -X POST https://{partner}.mytraddal.com/admin/api/v1/classify/blocklist \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer {access_token}' \
  -d '{
    "hs_code": "4202.92.3131",
    "destination_country": "US",
    "reason": "Ruled out by our broker"
  }'

{
  "success": true,
  "message": "Code blocked",
  "entry": {
    "id": 41,
    "hs_code": "4202923131",
    "country_code": "US",
    "reason": "Ruled out by our broker",
    "created_at": "2026-07-30T10:15:02.000Z"
  }
}