YC Spring 2026 (P26) company

Chert

iMessage infrastructure for business

b2bdeveloper tools14 public signals
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About Chert

Chert provides the infrastructure for businesses to automate conversations over iMessage. We’re already working with B2C startups, customer experience teams, and sales teams to reach end users through trusted and conversational messaging.

Public traction evidence

Each signal links to the public source used for attribution.

  1. Hacker News

    Launch HN: Chert (YC P26) – Twilio for iMessage

    Hey HN! We’re Gary and Ian, and we’re building Chert ( https: www.trychert.com ), an API for businesses to send, receive, and automate iMessage conversations at scale. Check out our demo: https: www.youtube.com watch?v=SRdwvVxMMoI . We originally started by building products on...

    Comments
    200
    Points
    62
    Upvotes
    62
    Signal score
    76
    View source
  2. LinkedIn

    #ycombinator #ycp26 #startup | Ian Fong | 133 comments

    [Skip to main content](https://linkedin.com/posts/activity-7458288693695627264-RIhW#main-content)[LinkedIn](https://linkedin.com/?trk=[redacted-public-param]) * [Top Content](https://www.linkedin.com/top-content?trk=[redacted-public-param]) *...

    Reactions
    482
    Comments
    133
    Signal score
    66
    View source
  3. LinkedIn

    I’m happy to share that Chert (YC P26) is now backed by Y Combinator!

    [Skip to main content](https://linkedin.com/posts/activity-7458290873081176064-SlEu#main-content)[LinkedIn](https://linkedin.com/?trk=[redacted-public-param]) * [Top Content](https://www.linkedin.com/top-content?trk=[redacted-public-param]) *...

    Reactions
    443
    Comments
    122
    Signal score
    65
    View source
  4. X

    Grey Baker native X post mentioning Chert

    Sending iMessages programmatically should be easy. Congrats on the launch @Cherthq!

    Views
    2.2K
    Likes
    14
    Reposts
    4
    Signal score
    39
    View source
  5. X

    Who is going to to YC AI Start up school?👀

    Who is going to to YC AI Start up school?👀

    Views
    310
    Likes
    3
    Replies
    1
    Signal score
    28
    View source
  6. X

    Most people do not lack discipline. They lack a game worth taking seriously. I used to play games 15 hours a day. The same obsession la...

    Most people do not lack discipline. They lack a game worth taking seriously. I used to play games 15 hours a day. The same obsession later became running, engineering, hackathons, YC, and building Chert. The point was never to kill obsession. It was to move it somewhere reality...

    Views
    205
    Likes
    9
    Reposts
    1
    Signal score
    28
    View source
  7. X

    Hey everyone, @Cherthq is now live on Product Hunt! https:// producthunt.com/products/chert Try out our agent builder, which lets you build and deploy conversational iMessage agents for customer service, inbound lead capture, and more by simply configuring the system prompt and tone. Show more Chert: Build AI agents that text customers in iMessage | Product Hunt From producthunt.com

    Hey everyone, @Cherthq is now live on Product Hunt! https:// producthunt.com/products/chert Try out our agent builder, which lets you build and deploy conversational iMessage agents for customer service, inbound lead capture, and more by simply configuring the system prompt and...

    Views
    252
    Likes
    5
    Comments
    2
    Signal score
    26
    View source
  8. X

    Why @OpenAI only followed Messi on insta 🤔

    Why @OpenAI only followed Messi on insta 🤔

    Views
    171
    Likes
    2
    Replies
    2
    Signal score
    25
    View source
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