For more information please visit https://developers.klaviyo.com/en/v2026-07-15/reference/api-overview#filtering
Allowed field(s)/operator(s):
id: any, equals (string)
name: any, contains, equals (string)
ab_test: equals (boolean)
updated_at: greater-or-equal, greater-than, less-or-equal, less-than (date-time)
created_at: greater-or-equal, greater-than, less-or-equal, less-than (date-time)
status: equals (allowed values: 'live', 'draft')
