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Chert

Pre-SeedFunding signal
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 Information may be incomplete or outdated — verify independently before making decisions.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.

Investor read

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

Memo snapshot · May 20, 2026, 6:14 PM

Strong interestEvidence-bound analyst verdict
  • •Funding: Raised $500K across 1 funding round. Latest: $500K Pre-seed (Mar 2026). Investors: Y Combinator.
  • •Named backers in indexed sources: Y Combinator.
  • •Hiring: 1 hiring‑related row(s); role‑spam risk if mostly generic boards
  • •Engineering: 1 GitHub‑linked row(s)

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 Research may be incomplete, outdated, or incorrect.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.

TL;DR

Seed (YC)

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.

Key signals

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).

Evidence summary

Verified facts

  • •Chert — iMessage Infrastructure
  • •Reported angle: Our Thesis | Chert: Outbound is Broken. We're Fixing It.

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

Suggested next steps

  • ▸Schedule a partner intro within 2 weeks and request a data pack.
  • ▸Verify the funding history and syndicate directly with the founders.

Funding & hiring signals

funding_articleConfidence: low

Chert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

Affected score: noObserved: May 20, 2026

Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.

Open roles (indexed)

No open roles indexed yet.

Public index
53Activity 78/100Elevated public activity signal
7D+19 (+55.9%)
30D+19 (+55.9%)
High Confidence

The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.

Source health

  • githubok
    Last checked Mon, Jun 29, 03:22 PM
  • socialok
    Last checked Mon, Jun 29, 03:22 PM

    Chert:reddit_credentials_not_configured

  • public_page:pricingok
    Last checked Mon, Jun 29, 03:22 PM
  • public_page:careersok
    Last checked Mon, Jun 29, 03:22 PM
  • public_page:homeok
    Last checked Mon, Jun 29, 03:22 PM
  • public_page:blogok
    Last checked Mon, Jun 29, 03:22 PM
  • 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:aboutok
    Last checked Sun, May 10, 10:18 PM

Signal timeline

19 dated public signals · newest on the right

Funding
Hiring
Product
Code
Press
Social
Company
Other
Dec 25, 2025Apr 2, 2026Jul 9, 2026
Funding (1)Hiring (1)Product (1)Code (3)Press (4)Social (1)Company (5)Other (3)

Signal breakdown

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

Public source summary

Total evidence rows
19
Latest evidence
Thu, Jul 2, 04:15 PM

Source types found

about_pageblogcareers_pagecompany_sitefunding_articlegithubnewsofficial_siteotherpressproductsocial

Strongest / recent news-style rows

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

    About page · Thu, Jul 2, 04:15 PM · confidence 90%high quality

  • Chert | Y Combinator

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

  • Launching Chert on YC

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

Public signal timeline

Newest first · 19 event(s)

1
Thu, Jul 2, 04:15 PM · blog · 90% · publichigh qualityBlog | Chert: AI Sales & iMessage Outreach Insights

Source: Blog

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 ↗
2
Thu, Jul 2, 04:15 PM · careers_page · 90% · publichigh qualityCareers | Chert: Build iMessage Infrastructure

Source: Careers page

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 ↗
3
Thu, Jul 2, 04:15 PM · about_page · 90% · publichigh qualityOur 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 ↗
4
Mon, Jun 29, 03:22 PM · social · 48% · publichigh qualityLaunch HN: Chert (YC P26) – Twilio for iMessage

Source: hackernews

Source ↗
5
Mon, Jun 29, 03:22 PM · official_site · 75% · publichigh qualityChert | iMessage Infrastructure for Reaching People at Scale

Source: official_site

Chert | iMessage Infrastructure for Reaching People at Scale Skip to content Chert Home Case studies Blog Contact Book a Call Chert Backed by iMessage infrastructure for reaching people at scale. Build and deploy AI on iMessage to reach people at scale while…

Source ↗
6
Mon, Jun 29, 03:22 PM · official_site · 75% · publichigh qualityCareers | Chert: Build iMessage Infrastructure

Source: official_site

Careers | Chert: Build iMessage Infrastructure | Chert Skip to content Chert Home Case studies Blog Contact Book a Call Chert CAREERS · SEATTLE Build the future of iMessage . We're a small team building the infrastructure that lets any business reach peo…

Source ↗
7
Mon, Jun 29, 03:22 PM · official_site · 75% · publichigh qualityBlog | Chert: AI Sales & iMessage Outreach Insights

Source: official_site

Blog | Chert: AI Sales & iMessage Outreach Insights | Chert Skip to content Chert Home Case studies Blog Contact Book a Call Chert Journal Writing Notes from the team on outbound, iMessage, and the slow work of making AI agents feel human. Announcement ·…

Source ↗
8
Mon, Jun 29, 03:22 PM · official_site · 75% · publichigh qualityChert | iMessage Infrastructure for Reaching People at Scale

Source: official_site

Chert | iMessage Infrastructure for Reaching People at Scale Skip to content Chert Home Case studies Blog Contact Book a Call Chert Backed by iMessage infrastructure for reaching people at scale. Build and deploy AI on iMessage to reach people at scale while…

Source ↗
9
Wed, May 20, 06:14 PM · press · 85% · verified_publichigh qualityLaunching Chert on YC

Company launch post for YC batch and iMessage API product.

Source ↗
10
Wed, May 20, 06:14 PM · company_site · 85% · verified_publichigh qualityChert — iMessage Infrastructure

Build and deploy AI on iMessage at scale.

Source ↗
11
Wed, May 20, 06:14 PM · funding_article · 88% · verified_publichigh qualityChert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

Source ↗
12
Mon, May 11, 04:43 AM · github · 72% · verified_publichigh qualityChert · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Chert.

Source ↗
13
Mon, May 11, 04:43 AM · blog · 90% · publichigh qualityBeyond 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 ↗
14
Mon, May 11, 04:43 AM · news · 90% · publichigh qualityOur 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 ↗
15
Sun, May 10, 10:18 PM · product · 90% · publichigh qualityChert | 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 ↗
16
Mon, Jun 29, 03:22 PM · github · 55% · publicmedium qualitydsr-rollback-package-grese-chert-reran-asker

Source: npm_registry

empty

Source ↗
17
Mon, Jun 29, 03:22 PM · github · 55% · publicmedium quality@test-mlw-org-chert-benet-emule-sowff/test-mlw1-chert-benet-emule-sowff

Source: npm_registry

empty

Source ↗
18
Mon, Jun 29, 03:22 PM · other · 50% · publicmedium qualityChertsey

Source: wikipedia

Source ↗
19
Mon, Jun 29, 03:22 PM · other · 50% · publicmedium qualityChert

Source: wikipedia

Source ↗

Official / company site

6 row(s)

The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.

official_site·Mon, Jun 29, 03:22 PM·Confidence 75%high qualitypublic
Chert | iMessage Infrastructure for Reaching People at Scale

Chert | iMessage Infrastructure for Reaching People at Scale Skip to content Chert Home Case studies Blog Contact Book a Call Chert Backed by iMessage infrastructure for reaching people at scale. Build and deploy AI on iMessage to reach people at scale while…

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
official_site·Mon, Jun 29, 03:22 PM·Confidence 75%high qualitypublic
Careers | Chert: Build iMessage Infrastructure

Careers | Chert: Build iMessage Infrastructure | Chert Skip to content Chert Home Case studies Blog Contact Book a Call Chert CAREERS · SEATTLE Build the future of iMessage . We're a small team building the infrastructure that lets any business reach peo…

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
official_site·Mon, Jun 29, 03:22 PM·Confidence 75%high qualitypublic
Blog | Chert: AI Sales & iMessage Outreach Insights

Blog | Chert: AI Sales & iMessage Outreach Insights | Chert Skip to content Chert Home Case studies Blog Contact Book a Call Chert Journal Writing Notes from the team on outbound, iMessage, and the slow work of making AI agents feel human. Announcement ·…

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
official_site·Mon, Jun 29, 03:22 PM·Confidence 75%high qualitypublic
Chert | iMessage Infrastructure for Reaching People at Scale

Chert | iMessage Infrastructure for Reaching People at Scale Skip to content Chert Home Case studies Blog Contact Book a Call Chert Backed by iMessage infrastructure for reaching people at scale. Build and deploy AI on iMessage to reach people at scale while…

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
company_site·Wed, May 20, 06:14 PM·Confidence 85%high qualityverified_public
Chert — iMessage Infrastructure

Build and deploy AI on iMessage at scale.

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
product·Sun, May 10, 10:18 PM·Confidence 90%high qualitypublic
Chert | iMessage Infrastructure for Reaching People at Scale

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

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

News

5 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

about_page·Thu, Jul 2, 04:15 PM·Confidence 90%high qualitypublic
Our Thesis | Chert: Outbound is Broken. We're Fixing It.

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.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
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.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
news·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic
Our Thesis | Chert: Outbound is Broken. We're Fixing It.

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.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 03:22 PM·Confidence 50%medium qualitypublic
Chertsey

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 03:22 PM·Confidence 50%medium qualitypublic
Chert

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

1 row(s)

Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.

funding_article·Wed, May 20, 06:14 PM·Confidence 88%high qualityverified_public
Chert | Y Combinator

Spring 2026 batch; iMessage API infrastructure for businesses.

Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.

Open source ↗

Hiring

1 row(s)

Open roles and careers pages. Active hiring implies runway to spend and shows where the company is investing (engineering vs GTM vs ops).

careers_page·Thu, Jul 2, 04:15 PM·Confidence 90%high qualitypublic
Careers | Chert: Build iMessage Infrastructure

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.

Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.

Open source ↗

GitHub

3 row(s)

Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.

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

GitHub presence linked from official site for Chert.

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 03:22 PM·Confidence 55%medium qualitypublic
dsr-rollback-package-grese-chert-reran-asker

empty

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 03:22 PM·Confidence 55%medium qualitypublic
@test-mlw-org-chert-benet-emule-sowff/test-mlw1-chert-benet-emule-sowff

empty

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗

Social

1 row(s)

Social presence and mentions. A soft signal — useful for gauging attention and launch reception, not a substitute for verified traction.

social·Mon, Jun 29, 03:22 PM·Confidence 48%high qualitypublic
Launch HN: Chert (YC P26) – Twilio for iMessage

Why it matters: Attention signal — social mention or presence; soft signal of market interest.

Open source ↗

Blog

2 row(s)

Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.

blog·Thu, Jul 2, 04:15 PM·Confidence 90%high qualitypublic
Blog | Chert: AI Sales & iMessage Outreach Insights

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.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗
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

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…

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗

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