Chert
AI Agents
Overview
Build and deploy AI on iMessage to reach people at scale while maintaining quality, trust, and personalized interaction. YC-backed.
Funding and backers
Backers
1
Y Combinator
Momentum
15/100
rising traction
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 25
Launched on Hacker News Launch HN: Chert (YC P26) – Twilio for iMessage
Apr 2026
Went through Y Combinator
2024
Founded
Tractionpublic signals, read monthly
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
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Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
News
A "chert" taken from a drill core on Shatsky Rise. This sedimentary rock gives clues to researchers about the amount of heat that came through the ocean crust when the rock ...
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Report
Southern Minnesota quarry site reveals history of Indigenous toolmaking
Visitors can learn about the long history of Indigenous toolmaking at the Grand Meadow Chert Quarry in southern Minnesota.
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Report
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
0
Countries
1
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Headquarters
Builds here
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New York
United States
HQ
Seattle
United States
Regional office
Contact us
1700 Westlake Ave N #200, Seattle, WA 98109, USA