curl --request GET \
  --url https://vvdufluovypptsnkihyv.supabase.co/functions/v1/submissions/{id} \
  --header 'x-api-key: <api-key>'

{
  "id": "880e8400-e29b-41d4-a716-446655440003",
  "tradeline_id": "660e8400-e29b-41d4-a716-446655440001",
  "bureau": "equifax",
  "metro2_file_id": null,
  "submission_date": "2026-02-05",
  "status": "accepted",
  "response_code": "00",
  "response_message": "Record accepted successfully",
  "error_details": null,
  "retry_count": 0,
  "created_at": "2026-02-05T06:00:00Z",
  "updated_at": "2026-02-06T14:30:00Z"
}