curl --request GET \
  --url https://api.fluents.ai/v1/dnc_numbers/list \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "phoneNumber": "+1234567890",
      "createdAt": "2023-01-01T00:00:00Z",
      "updatedAt": "2023-01-01T00:00:00Z",
      "userId": "550e8400-e29b-41d4-a716-446655440000",
      "reason": "Customer requested to be removed from calling list"
    }
  ],
  "page": 123,
  "size": 123,
  "has_more": true,
  "total": 123,
  "total_is_estimated": true
}