# Block, Inc. founding date

entity: /record/block.md  
predicate: founded  
page: /record/block/founded  
as_of: 2026-11-05  

As of November 5, 2026, Block, Inc.'s founding date on the AsOf record is February 1, 2009, dated February 1, 2009, from 2 secondary sources (bitstamp.net and sec.gov). The record holds 1 claim on Block, Inc.'s founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 2026-11-05.

- [Block, Inc.](/record/block.md) | founded | 2009-02-01 | valid 2009-02-01 to present | conf 0.80 | valid | [clm_AA3D5D4500BD](/claim/clm_AA3D5D4500BD.md)
  sources: https://www.wikidata.org/wiki/Q110778747, https://www.bitstamp.net/learn/company-profiles/what-is-block-inc/, https://www.sec.gov/Archives/edgar/data/1512673/000151267316000002/a10-kfilingsquareinc2015.htm

## Every dated value

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 Superseded claims stay visible.

- [Block, Inc.](/record/block.md) | founded | 2009-02-01 | valid 2009-02-01 to present | conf 0.80 | valid | [clm_AA3D5D4500BD](/claim/clm_AA3D5D4500BD.md)
  sources: https://www.wikidata.org/wiki/Q110778747, https://www.bitstamp.net/learn/company-profiles/what-is-block-inc/, https://www.sec.gov/Archives/edgar/data/1512673/000151267316000002/a10-kfilingsquareinc2015.htm

## Questions this record answers

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

February 1, 2009, dated February 1, 2009, from 2 secondary sources (bitstamp.net and sec.gov). The record asserts this claim as of November 5, 2026 (status valid, confidence 0.80).


## Get this data

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