Create Campaign Clonepost https://a.klaviyo.com/api/campaign-cloneClones an existing campaign, returning a new campaign based on the original with a new ID and name.Rate limits:Burst: 10/sSteady: 150/m Scopes: campaigns:writeQuery Paramsfields[campaign]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[campaign]ADD stringBody ParamsClones a campaign from an existing campaigndataobjectrequireddata objectHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 201Success 4XXClient Error 5XXServer ErrorUpdated over 1 year ago