# WhatsApp timeline

entity: /record/whatsapp.md  
id: ent_whatsapp  


## undated

- undated | license | proprietary license | unverified | [clm_555C55940F60](/claim/clm_555C55940F60.md)
- undated | website | https://whatsapp.com | unverified | [clm_60EDCB16AF39](/claim/clm_60EDCB16AF39.md)

## 2009

- 2009-02-24 | founded | 2009-02-24 | unverified | [clm_9390625FFF96](/claim/clm_9390625FFF96.md)

## undated

- undated | founder | Jan Koum | unverified | [clm_B0F4F425F06A](/claim/clm_B0F4F425F06A.md)
- undated | founder | Brian Acton | unverified | [clm_CE4B35589DC4](/claim/clm_CE4B35589DC4.md)
- undated | headquarters | Menlo Park | unverified | [clm_DC5CA7A0C7E2](/claim/clm_DC5CA7A0C7E2.md)

## 2009

- 2009-05-15 | x_username | WhatsApp | unverified | [clm_015F696BEBF2](/claim/clm_015F696BEBF2.md)

## 2026

- 2026-10-14 | feature_added | Guest calling | valid | [clm_BABF20FDC28B](/claim/clm_BABF20FDC28B.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.