curl --request GET \
  --url https://api.comm.com/api/v1/domains/plans/{plan} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "meta": {
      "default_rule_meta": {
        "tld_name": "com",
        "max_sms_per_domain": 50000,
        "number_of_domains_in_rotation": 3,
        "number_of_domains_in_backlog": 0,
        "domain_name_pattern": "<string>"
      }
    },
    "domain_accounts": "<string>",
    "domain_account_id": "<string>",
    "is_default": false,
    "is_purchasing_active": false
  }
}