# WhatsApp founding date

entity: /record/whatsapp.md  
predicate: founded  
page: /record/whatsapp/founded  
as_of: 2026-11-04  

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 The record holds 1 claim on WhatsApp's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 founding date

What the record asserts on 2026-11-04.

- [WhatsApp](/record/whatsapp.md) | founded | 2009-02-24 | valid 2009-02-24 to present | conf 0.85 | valid | [clm_9390625FFF96](/claim/clm_9390625FFF96.md)
  sources: https://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-inside-story-how-jan-koum-built-whatsapp-into-facebooks-new-19-billion-baby/, https://www.lilachbullock.com/when-did-whatsapp-come-out/, https://www.wikidata.org/wiki/Q1049511

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [WhatsApp](/record/whatsapp.md) | founded | 2009-02-24 | valid 2009-02-24 to present | conf 0.85 | valid | [clm_9390625FFF96](/claim/clm_9390625FFF96.md)
  sources: https://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-inside-story-how-jan-koum-built-whatsapp-into-facebooks-new-19-billion-baby/, https://www.lilachbullock.com/when-did-whatsapp-come-out/, https://www.wikidata.org/wiki/Q1049511

## Questions this record answers

### What is WhatsApp's current founding date?

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).


## Get this data

- JSON: /v1/entities/whatsapp/founded (this fact) · /v1/entities/whatsapp?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "whatsapp", predicates: ["founded"]) for every dated value · fetch(id: "/record/whatsapp/founded.md") for this page
- Entity twin: /record/whatsapp.md · timeline: /timelines/whatsapp.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.