Chert
YC X26San Francisco, US · Founded 2026 · 2 employees · 1 known investors
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Chert provides an API platform that makes iMessage programmable at scale for business workflows. It enables teams to send, receive, route, and monitor iMessage conversations with features like native blue-bubble messaging, typing indicators, file attachments, and fallback to SMS/RCS, serving go-to-market and customer-facing teams.
Also known as Chert Technologies Inc.
Founders & leadership· Y Combinator alumni (X26)
Chert was founded in 2026 by Gary Gao and Ian Fong.
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Gary GaoCo-Founder & CEOGary Gao studied computer science and business at the University of Pennsylvania. He researches machine learning model architectures and neuromorphic chip design, and co-founded Chert, which builds infrastructure for conversational interfaces on iMessage.
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Ian FongCo-FounderIan Fong studied mathematics and computer science/economics at NYU and conducted algorithm research at the Courant Institute. He is currently building Chert, a conversational API platform for team communication and automation.
Investors · 1
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Legal entities · 1
corporate structureChert Technologies Inc.
In the news
Frequently asked questions
- What does Chert do?
- Chert provides an API platform that makes iMessage programmable at scale for business workflows. It enables teams to send, receive, route, and monitor iMessage conversations with features like native blue-bubble messaging, typing indicators, file attachments, and fallback to SMS/RCS, serving go-to-market and customer-facing teams.
- Who founded Chert?
- Chert was founded by Gary Gao, Ian Fong in 2026.
- Who are Chert's investors?
- Chert's investors include Y Combinator.
- Where is Chert headquartered?
- Chert is headquartered in San Francisco, US.


