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Chert

Pre-Seed
www.trychert.com/B2BSan Francisco, CA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:14 PM

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

What they do

Chert — iMessage Infrastructure

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Mar 2026). Investors: Y Combinator. (High).

Quick read

  • •Chert — iMessage Infrastructure
  • •Reported angle: Our Thesis | Chert: Outbound is Broken. We're Fixing It.
  • •Indexed activity snapshot: 1 funding‑related row(s), 1 hiring‑related, 1 GitHub‑tagged, 4 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

  • •Chert — iMessage Infrastructure
  • •Reported angle: Our Thesis | Chert: Outbound is Broken. We're Fixing It.
  • •Indexed activity snapshot: 1 funding‑related row(s), 1 hiring‑related, 1 GitHub‑tagged, 4 product/news‑style — scoring reflects corpus coverage only.

Recent movers

  • •May 11, 2026 · News / page — Our Thesis | Chert: Outbound is Broken. We're Fixing It.
  • •May 11, 2026 · Careers — Careers | Chert: Build iMessage Infrastructure
  • •May 11, 2026 · Blog / news — Beyond the Assistant: Why Chert is Building the Emotional Trust Layer for AI Agents | Chert Blog

+4 more in Recent movement below

  • •May 11, 2026 · News / page — Our Thesis | Chert: Outbound is Broken. We're Fixing It.
  • •May 11, 2026 · Careers — Careers | Chert: Build iMessage Infrastructure
  • •May 11, 2026 · Blog / news — Beyond the Assistant: Why Chert is Building the Emotional Trust Layer for AI Agents | Chert Blog
  • •May 20, 2026 · ycombinator.com — Chert | Y Combinator
  • •May 20, 2026 · trychert.com — Launching Chert on YC
  • •May 11, 2026 · Blog / news — Blog | Chert: AI Sales & iMessage Outreach Insights
  • •May 11, 2026 · GitHub (linked from site) — Chert · GitHub
  • •Y Combinator

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Mar 2026). Investors: Y Combinator. (High).

Hiring

1 hiring‑related row(s); role‑spam risk if mostly generic boards (Low).

GitHub

1 GitHub‑linked row(s) (Low).

Product / news

4 product/news‑styled row(s); headline risk without filings (High).

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

funding_articleMay 20, 2026Confidence: high

Chert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

Affected score: yesObserved: May 20, 2026Round: Pre-Seed
raisedpre-seed

Open roles (indexed)

No open roles indexed yet.

Failed or blocked links

  • public_page:_pressnot_found
    Last checked Mon, May 11, 04:43 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 04:43 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 04:43 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 04:43 AM

    HTTP 404

  • public_page:customersnot_found
    Last checked Sun, May 10, 10:18 PM

    HTTP 404

  • public_page:pressnot_found
    Last checked Sun, May 10, 10:18 PM

    HTTP 404

  • public_page:newsnot_found
    Last checked Sun, May 10, 10:18 PM

    HTTP 404

  • public_page:jobsnot_found
    Last checked Sun, May 10, 10:18 PM

    HTTP 404

  • public_page:teamnot_found
    Last checked Sun, May 10, 10:18 PM

    HTTP 404

DealFlow growth score
63.0Moderate public activity signal
7D-44%
30D+0%
Needs Review

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_careersok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_blog_launching-chert-on-ycok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_blog_beyond-the-assistantok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_blogok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_aboutok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:43 AM
  • public_page:homeok
    Last checked Mon, May 11, 04:43 AM
  • public_page:pricingok
    Last checked Sun, May 10, 10:18 PM
  • public_page:blogok
    Last checked Sun, May 10, 10:18 PM
  • public_page:careersok
    Last checked Sun, May 10, 10:18 PM
  • public_page:aboutok
    Last checked Sun, May 10, 10:18 PM

DealFlow score momentum

637D -4430D +0
100500
2026-05-20: 63

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
10
Latest evidence
Wed, May 20, 06:14 PM

Source types found

about_pageblogcareers_pagecompany_sitefunding_articlegithubnewspressproduct

Strongest / recent news-style rows

  • Chert | Y Combinator

    Wed, May 20, 06:14 PM · confidence 88%high quality

    https://www.ycombinator.com/companies/chert

  • Launching Chert on YC

    Wed, May 20, 06:14 PM · confidence 85%high quality

    https://www.trychert.com/blog/launching-chert-on-yc

  • Our Thesis | Chert: Outbound is Broken. We're Fixing It.

    News / page · Mon, May 11, 04:43 AM · confidence 90%high quality

    https://www.trychert.com/thesis

Public signal timeline

Newest first · 10 event(s)

1
Wed, May 20, 06:14 PM · press · 85% · verified_publichigh quality

Launching Chert on YC

Company launch post for YC batch and iMessage API product.

Source ↗
2
Wed, May 20, 06:14 PM · funding_article · 88% · verified_publichigh quality

Chert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

Source ↗
3
Wed, May 20, 06:14 PM · company_site · 85% · verified_publichigh quality

Chert — iMessage Infrastructure

Build and deploy AI on iMessage at scale.

Source ↗
4
Mon, May 11, 04:43 AM · github · 72% · verified_publichigh quality

Chert · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Chert.

Source ↗
5
Mon, May 11, 04:43 AM · careers_page · 90% · publichigh quality

Careers | Chert: Build iMessage Infrastructure

Source: Careers

Join Chert. We're building iMessage infrastructure: the APIs and AI that let any business reach people at scale on the channel they actually open. Small team, big ambition, Seattle.

Source ↗
6
Mon, May 11, 04:43 AM · blog · 90% · publichigh quality

Beyond the Assistant: Why Chert is Building the Emotional Trust Layer for AI Agents | Chert Blog

Source: Blog / news

Everyone keeps talking about Manus. About Poke. About the next agent that browses the web and manages your calendar. They're impressive. We use some of the…

Source ↗
7
Mon, May 11, 04:43 AM · blog · 90% · publichigh quality

Blog | Chert: AI Sales & iMessage Outreach Insights

Source: Blog / news

Read the Chert blog for insights on AI-powered outbound sales, iMessage outreach strategy, personalization at scale, and how to close more deals with AI agents.

Source ↗
8
Mon, May 11, 04:43 AM · news · 90% · publichigh quality

Our Thesis | Chert: Outbound is Broken. We're Fixing It.

Source: News / page

Chert's thesis: email is oversaturated, LinkedIn is noise. We're building an AI-powered outbound sales platform over iMessage, the highest-trust channel, to give every company a 10X better pipeline.

Source ↗
9
Sun, May 10, 10:18 PM · product · 90% · publichigh quality

Chert | iMessage Infrastructure for Reaching People at Scale

Source: Pricing

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

Source ↗
10
Sun, May 10, 10:18 PM · about_page · 90% · publichigh quality

Our Thesis | Chert: Outbound is Broken. We're Fixing It.

Source: About page

Chert's thesis: email is oversaturated, LinkedIn is noise. We're building an AI-powered outbound sales platform over iMessage, the highest-trust channel, to give every company a 10X better pipeline.

Source ↗

Official / company site

2 row(s)

company_site·Wed, May 20, 06:14 PM·Confidence 85%high qualityverified_public

Chert — iMessage Infrastructure

Build and deploy AI on iMessage at scale.

https://www.trychert.com/
product·Sun, May 10, 10:18 PM·Confidence 90%high qualitypublic

Chert | iMessage Infrastructure for Reaching People at Scale

Source name: Pricing

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

https://www.trychert.com/

News

3 row(s)

press·Wed, May 20, 06:14 PM·Confidence 85%high qualityverified_public

Launching Chert on YC

Company launch post for YC batch and iMessage API product.

https://www.trychert.com/blog/launching-chert-on-yc
news·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

Our Thesis | Chert: Outbound is Broken. We're Fixing It.

Source name: News / page

Chert's thesis: email is oversaturated, LinkedIn is noise. We're building an AI-powered outbound sales platform over iMessage, the highest-trust channel, to give every company a 10X better pipeline.

https://www.trychert.com/thesis
about_page·Sun, May 10, 10:18 PM·Confidence 90%high qualitypublic

Our Thesis | Chert: Outbound is Broken. We're Fixing It.

Source name: About page

Chert's thesis: email is oversaturated, LinkedIn is noise. We're building an AI-powered outbound sales platform over iMessage, the highest-trust channel, to give every company a 10X better pipeline.

https://www.trychert.com/thesis

Funding / news

1 row(s)

funding_article·Wed, May 20, 06:14 PM·Confidence 88%high qualityverified_public

Chert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

https://www.ycombinator.com/companies/chert

Hiring

1 row(s)

careers_page·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

Careers | Chert: Build iMessage Infrastructure

Source name: Careers

Join Chert. We're building iMessage infrastructure: the APIs and AI that let any business reach people at scale on the channel they actually open. Small team, big ambition, Seattle.

https://www.trychert.com/careers

GitHub

1 row(s)

github·Mon, May 11, 04:43 AM·Confidence 72%high qualityverified_public

Chert · GitHub

Source name: GitHub (linked from site)

GitHub presence linked from official site for Chert.

https://github.com/cherthq

Blog

2 row(s)

blog·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

Beyond the Assistant: Why Chert is Building the Emotional Trust Layer for AI Agents | Chert Blog

Source name: Blog / news

Everyone keeps talking about Manus. About Poke. About the next agent that browses the web and manages your calendar. They're impressive. We use some of the…

https://www.trychert.com/blog/beyond-the-assistant
blog·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

Blog | Chert: AI Sales & iMessage Outreach Insights

Source name: Blog / news

Read the Chert blog for insights on AI-powered outbound sales, iMessage outreach strategy, personalization at scale, and how to close more deals with AI agents.

https://www.trychert.com/blog

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