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

> Source: <https://www.trychert.com>
> Published: 2026-05-25 15:12:33+00:00

Backed by

# infrastructure for reaching people *at* *scale.*

Build and deploy AI on iMessage to reach people at scale while maintaining quality, trust, and personalized interaction.

Chert

iMessage

Hey! Is the 2BR on Pine still open?

Looking for a Sept 1 move-in.

Yes, still available.

Want to come tour it?

Definitely.

Saturday morning works for me.

Got you on the calendar.

Sat 10am — sound good?

Pine Street · Tour

Delivered

Trusted by growing teams

PLATFORM

## One API. *Many features.*

Everything you expect from iMessage. Built for product teams, exposed through a single API surface.

Chert

iMessage

Saw the launch, congrats!

Thanks!

What's up?

We help GTM teams book meetings via iMessage.

10x reply rate vs cold email.

Interesting.

Free Tuesday 3pm PT?

Sending an invite over.

iMessage

Blue bubble messaging

Real iMessage threads. Verified senders. End-to-end encryption.

First question to your team.

On it — pulling the numbers now.

Should have a draft by EOD.

Perfect. Free for 15 min next week?

Typing & tapbacks

Live indicators and reactions, captured natively.

Derrick

kicking off the launch thread

Gary

who has the deck?

just dropped it 🙌

Group chats

Multi-recipient threads with named senders.

Heads up, moved you to Tuesday

Reply Y to confirm

Sent as SMS

SMS / RCS fallback

Auto-rerouted when the recipient is off-platform.

Latest menu, ready to ship?

Sending attachments

Photos, PDFs, links. Native to the thread.

Live delivery state

Sub-second deliverability telemetry per message.

EXPLORE THE API

+ many more

Verified phone numbersMessage receiptsWebhooksCompliance audits

0%

average response rate on cold outbound

0%

response rate on warm outbound

<0 min

setup via our API and Webhooks

USE CASES

## Used by *GTM teams*

across these workflows.

Welcome to Chert!

Want a 2 min tour of the dashboard?

Yes please

Order #4821 still hasn't shipped

Looking now.

Left the warehouse this morning. ETA Wednesday.

Thanks 🙏

Can I move my haircut to Saturday?

Saturday 2 PM works.

Confirmed?

Yes please

Saw your post on scaling the AE team.

Built something that books meetings on iMessage.

2 min?

Send the link

INTEGRATIONS

## One thread, *everywhere your team works.*

Chert sits between your team's tools and the customer's phone.

Salesforce

Attio

GoHighLevel

Slack

Close

Vapi

HubSpot

Chert

FAQ

## Everything you

need to know.

Answers to the questions we hear most.

Is this real iMessage, or just SMS branded as iMessage?

How is this different from sending SMS through Twilio?

What about deliverability and spam flags?

How do I connect Chert to the tools my team already uses?

Let's talk

## Build with

*iMessage.*

20-minute kickoff. We'll talk through your use case and work on integrating iMessage into your application.