{
  "rules_version": "2026-07-26",
  "description": "Rule set used by the SMS Deliverability Pre-Flight Linter at https://www.sendsmsnokyc.com/guides/tools/sms-deliverability-linter.html. Public, general-knowledge carrier filtering patterns, not legal advice.",
  "link_shorteners": [
    "bit.ly",
    "tinyurl.com",
    "t.co",
    "goo.gl",
    "cutt.ly",
    "ow.ly",
    "is.gd",
    "buff.ly",
    "rebrand.ly",
    "tiny.cc"
  ],
  "caps_ratio_threshold": 0.3,
  "sender_id_max_len": 11,
  "shaft_c": {
    "sex": [
      "sex",
      "porn",
      "xxx",
      "nude",
      "onlyfans",
      "escort"
    ],
    "hate": [
      "hate speech",
      "racist",
      "nazi",
      "slur"
    ],
    "alcohol": [
      "alcohol",
      "beer",
      "wine",
      "whiskey",
      "vodka",
      "liquor"
    ],
    "firearms": [
      "firearm",
      "gun",
      "ammo",
      "rifle",
      "pistol",
      "ammunition"
    ],
    "tobacco": [
      "cigarette",
      "tobacco",
      "vape",
      "nicotine",
      "cigar"
    ],
    "cannabis": [
      "cannabis",
      "marijuana",
      "weed",
      "thc",
      "cbd"
    ]
  },
  "opt_out_keywords": [
    "stop",
    "arret",
    "arrêt",
    "baja",
    "sair",
    "ende"
  ],
  "promo_keywords": [
    "% off",
    "discount",
    "sale",
    "buy now",
    "limited time",
    "free gift",
    "offer expires",
    "deal",
    "coupon",
    "save now",
    "promo",
    "clearance"
  ],
  "segment_limits": {
    "gsm7": {
      "single": 160,
      "concat": 153
    },
    "ucs2": {
      "single": 70,
      "concat": 67
    }
  },
  "ucs2_trigger_note": "Curly quotes, em/en dash, ellipsis, arrows and emoji sit outside the GSM-7 default alphabet and force UCS-2 encoding, cutting the per-segment budget from 160/153 characters to 70/67.",
  "countries": {
    "US": {
      "name": "United States",
      "registration": "10DLC",
      "alpha_sender": "not supported (numeric only)"
    },
    "GB": {
      "name": "United Kingdom",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "DE": {
      "name": "Germany",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "FR": {
      "name": "France",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "PL": {
      "name": "Poland",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "NL": {
      "name": "Netherlands",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "IN": {
      "name": "India",
      "registration": "DLT",
      "alpha_sender": "pre-registration required"
    },
    "NG": {
      "name": "Nigeria",
      "registration": "NCC sender ID registration",
      "alpha_sender": "pre-registration required"
    },
    "BR": {
      "name": "Brazil",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "PH": {
      "name": "Philippines",
      "registration": "none",
      "alpha_sender": "allowed"
    },
    "OTHER": {
      "name": "Other destination",
      "registration": "varies",
      "alpha_sender": "check destination-specific rules"
    }
  },
  "cost_example": {
    "currency": "USD",
    "us_per_segment": 0.0125,
    "floor_per_segment": 0.004
  }
}