{"entity":"whatsapp","id":"ent_whatsapp","name":"WhatsApp","predicate":"founded","label":"founding date","page":"https://asof.is/record/whatsapp/founded","as_of":"2026-11-04","summary":"As of November 4, 2026, WhatsApp's founding date on the AsOf record is February 24, 2009, dated February 24, 2009, from 2 secondary sources (forbes.com and lilachbullock.com). The record holds 1 claim on WhatsApp's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_9390625FFF96"],"latest_period":null,"claims":[{"id":"clm_9390625FFF96","value":"2009-02-24","valid_from":"2009-02-24","valid_to":null,"published":null,"recorded":"2026-10-27","confidence":0.85,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-inside-story-how-jan-koum-built-whatsapp-into-facebooks-new-19-billion-baby/","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.lilachbullock.com/when-did-whatsapp-come-out/","tier":"secondary","publisher":"lilachbullock.com","published_at":null},{"url":"https://www.wikidata.org/wiki/Q1049511","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-03","quote":"When was WhatsApp founded? Jan Koum incorporated WhatsApp Inc. in California on 24 February 2009, with Brian Acton as co-founder.","url":"https://www.lilachbullock.com/when-did-whatsapp-come-out/"}}],"replaced":[],"faq":[{"question":"What is WhatsApp's current founding date?","answer":"February 24, 2009, dated February 24, 2009, from 2 secondary sources (forbes.com and lilachbullock.com). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.85)."}],"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}