# Twitter, Inc. founding date

entity: /record/twitter-inc.md  
predicate: founded  
page: /record/twitter-inc/founded  
as_of: 2026-10-31  

As of October 31, 2026, Twitter, Inc.'s founding date on the AsOf record is April 19, 2007, dated April 19, 2007, from a primary source (sec.gov). The record holds 1 claim on Twitter, Inc.'s founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 2026-10-31.

- [Twitter, Inc.](/record/twitter-inc.md) | founded | 2007-04-19 | valid 2007-04-19 to present | conf 0.95 | valid | [clm_26187979E3B0](/claim/clm_26187979E3B0.md)
  sources: https://www.wikidata.org/wiki/Q1390577, https://www.sec.gov/Archives/edgar/data/1418091/000119312513390321/d564001dex31.htm

## Every dated value

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 Superseded claims stay visible.

- [Twitter, Inc.](/record/twitter-inc.md) | founded | 2007-04-19 | valid 2007-04-19 to present | conf 0.95 | valid | [clm_26187979E3B0](/claim/clm_26187979E3B0.md)
  sources: https://www.wikidata.org/wiki/Q1390577, https://www.sec.gov/Archives/edgar/data/1418091/000119312513390321/d564001dex31.htm

## Questions this record answers

### What is Twitter, Inc.'s current founding date?

April 19, 2007, dated April 19, 2007, from a primary source (sec.gov). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/twitter-inc/founded (this fact) · /v1/entities/twitter-inc?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: entity_state(entity: "twitter-inc", predicates: ["founded"], scope: "all")
- Entity twin: /record/twitter-inc.md · timeline: /timelines/twitter-inc.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.