Lists the filterable and sortable fields for entity, one of accounts, contacts, meetings, opportunities, sequences, or tasks.

Each entry carries the field's key, the allowed_operators it supports, and an updatable flag — updatable: false marks a read-only field (system-derived or create-only). Custom fields use custom_field_{uuid} keys and are always updatable, though AI auto-filled ones may later be overwritten by AI. An AI auto-filled custom field carries the question AI answers to fill it under custom_field_settings.question. Enum and select fields list their accepted values under enum_field_settings.allowed_values.

On date fields, allowed_values are semantic periods for the is and is_not operators, while equals, greater_than, and less_than take raw YYYY-MM-DD. datetime fields have no is operator — compare them against an ISO 8601 timestamp.

{
  "data": [
    {
      "name": "Account Status",
      "key": "status",
      "type": "enum",
      "parent": "company",
      "filterable": true,
      "sortable": true,
      "updatable": true,
      "allowed_operators": [
        "is",
        "is_not",
        "is_empty",
        "is_not_empty"
      ],
      "custom_field_settings": {
        "id": "cf_abc123",
        "question": "Does this company publish a public pricing page? Answer true or false."
      },
      "enum_field_settings": {
        "allowed_values": [
          {
            "display_value": "Active",
            "key": "active"
          }
        ]
      }
    }
  ]
}