Lark

Pre-SeedFunding signal

getlark.ai/B2BSan Francisco, CA, USA

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 Information may be incomplete or outdated — verify independently before making decisions.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, 6:20 PM

Worth a meetingEvidence-bound analyst verdict

•Funding: Raised $500K across 1 funding round. Latest: $500K Pre-seed (Oct 2025). Investors: Y Combinator.
•Named backers in indexed sources: Y Combinator.
•Product/news: 2 product/news‑styled row(s); headline risk without filings

What would change this read

→Open roles appearing would signal burn capacity and growth intent.

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 Research may be incomplete, outdated, or incorrect.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)

Lark | AI Testing From Your Terminal Self-healing E2E tests for AI-driven development.

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Oct 2025). Investors: Y Combinator. (High).

Quick read

•Lark | AI Testing From Your Terminal Self-healing E2E tests for AI-driven development.
•Reported angle: Lark blog — shipping with testing

Key signals

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Oct 2025). Investors: Y Combinator. (High).

Product / news

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

Evidence summary

Verified facts

•Lark | AI Testing From Your Terminal Self-healing E2E tests for AI-driven development.
•Reported angle: Lark blog — shipping with testing

Recent movers

•May 20, 2026 · ycombinator.com — Lark | Y Combinator
•May 20, 2026 · getlark.ai — Lark blog — shipping with testing
•May 11, 2026 · Blog / news — Lark | AI Testing From Your Terminal

•May 20, 2026 · ycombinator.com — Lark | Y Combinator
•May 20, 2026 · getlark.ai — Lark blog — shipping with testing
•May 11, 2026 · Blog / news — Lark | AI Testing From Your Terminal

•Y Combinator

Suggested next steps

▸Open a founder conversation this month; validate traction claims against the indexed evidence.
▸Add to the active watchlist so new signals trigger alerts.

Funding & hiring signals

fundingConfidence: medium

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M https://techcrunch.com/2013/10/04/lark-funding/

Affected score: noObserved: Jun 29, 2026Amount: $3.6M

funding_articleMay 20, 2026Confidence: high

Lark | Y Combinator

Summer 2025 batch; E2E testing in plain English for AI-driven development.

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

raisedpre-seed

Open roles (indexed)

No open roles indexed yet.

Public index

179Activity 98/100Strong public activity signal

7D-2 (-1.1%)

30D+44 (+32.6%)

Needs Review

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, 12:12 AM
socialok
Last checked Mon, Jun 29, 12:12 AM
Lark:reddit_credentials_not_configured
fundingok
Last checked Mon, Jun 29, 12:12 AM
discovery:google:HTTP 403
public_page:blogok
Last checked Mon, Jun 29, 12:12 AM
public_market_enrichmentok
Last checked Mon, May 11, 04:54 AM
public_page:_blog_our-engineers-each-ship-8-features-per-week-heres-how-we-keep-up-with-testingok
Last checked Mon, May 11, 04:54 AM
public_page:_blogok
Last checked Mon, May 11, 04:54 AM
public_page:_ok
Last checked Mon, May 11, 04:54 AM
public_page:homeok
Last checked Mon, May 11, 04:54 AM

Signal timeline

15 dated public signals · newest on the right

Funding

Code

Press

Social

Company

Other

Apr 2, 2013Feb 16, 2020Dec 31, 2026

Funding (2)Code (5)Press (2)Social (2)Company (1)Other (3)

Signal breakdown

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

Public source summary

Total evidence rows: 15
Latest evidence: Mon, Jun 29, 12:12 AM

Source types found

blogcompany_sitefundingfunding_articlegithubofficial_siteotherpresssocial

Strongest / recent news-style rows

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M
techcrunch · Mon, Jun 29, 12:12 AM · confidence 78%high quality
Lark | Y Combinator
Wed, May 20, 06:20 PM · confidence 88%high quality
Lark blog — shipping with testing
Wed, May 20, 06:20 PM · confidence 85%high quality

Public signal timeline

Newest first · 15 event(s)

Mon, Jun 29, 12:12 AM · funding · 78% · publichigh qualityFiling Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M

Source: techcrunch

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M https://techcrunch.com/2013/10/04/lark-funding/

Source ↗

Mon, Jun 29, 12:12 AM · official_site · 75% · publichigh qualityLark | Test every surface, every minute.

Source: official_site

Lark | Test every surface, every minute. Docs Blog Dashboard Docs Blog Dashboard BLOGS Blog Insights, updates, and stories about AI testing infrastructure. Jun 3, 2026 Git + S3 for storing agent context How Lark uses Git, S3, and isolated sandboxes to give AI…

Source ↗

Wed, May 20, 06:20 PM · funding_article · 88% · verified_publichigh qualityLark | Y Combinator

Summer 2025 batch; E2E testing in plain English for AI-driven development.

Source ↗

Wed, May 20, 06:20 PM · company_site · 85% · verified_publichigh qualityLark | AI Testing From Your Terminal

Self-healing E2E tests for AI-driven development.

Source ↗

Wed, May 20, 06:20 PM · press · 85% · verified_publichigh qualityLark blog — shipping with testing

Product and engineering velocity with Lark testing.

Source ↗

Mon, May 11, 04:54 AM · blog · 90% · publichigh qualityLark | AI Testing From Your Terminal

Source: Blog / news

Create self-healing, end-to-end tests without leaving your coding agent. Built by ex-Stripe engineers.

Source ↗

Mon, Jun 29, 12:12 AM · github · 55% · publicmedium quality@dcloudio/uni-mp-lark

Source: npm_registry

uni-app mp-lark

Source ↗

Mon, Jun 29, 12:12 AM · github · 55% · publicmedium quality@larksuite/openclaw-lark

Source: npm_registry

OpenClaw Lark/Feishu channel plugin

Source ↗

Mon, Jun 29, 12:12 AM · github · 55% · publicmedium qualitylark-channel-bridge

Source: npm_registry

Bridge Feishu/Lark messenger with local CLI coding agents

Source ↗

Mon, Jun 29, 12:12 AM · github · 55% · publicmedium quality@larksuite/cli

Source: npm_registry

The official CLI for Lark/Feishu open platform

Source ↗

Mon, Jun 29, 12:12 AM · github · 55% · publicmedium quality@larksuiteoapi/lark-mcp

Source: npm_registry

Feishu/Lark OpenAPI MCP

Source ↗

Mon, Jun 29, 12:12 AM · social · 56% · publicmedium quality

Ask HN: Is anyone using Zoho, Lark or Proton?

Source: hackernews

Mon, Jun 29, 12:12 AM · other · 50% · publicmedium qualityLark

Source: wikipedia

Source ↗

Mon, Jun 29, 12:12 AM · other · 50% · publicmedium qualityPhilip Larkin

Source: wikipedia

Source ↗

Mon, Jun 29, 12:12 AM · social · 56% · publiclow qualityShow HN: Lark – Use Codex from Telegram or iMessage

Source: hackernews

Source ↗

Official / company site

2 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, 12:12 AM·Confidence 75%high qualitypublic

Lark | Test every surface, every minute.

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, 06:20 PM·Confidence 85%high qualityverified_public

Lark | AI Testing From Your Terminal

Self-healing E2E tests for AI-driven development.

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

3 row(s)

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

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

Lark blog — shipping with testing

Product and engineering velocity with Lark testing.

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

Open source ↗

other·Mon, Jun 29, 12:12 AM·Confidence 50%medium qualitypublic

Lark

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

Open source ↗

other·Mon, Jun 29, 12:12 AM·Confidence 50%medium qualitypublic

Philip Larkin

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

Open source ↗

Funding / news

2 row(s)

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

funding·Mon, Jun 29, 12:12 AM·Confidence 78%high qualitypublic

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M

Filing Says Sleep- And Health-Tracking Startup Lark Is Raising Another $3.6M https://techcrunch.com/2013/10/04/lark-funding/

Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.

Open source ↗

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

Lark | Y Combinator

Summer 2025 batch; E2E testing in plain English for AI-driven development.

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

Open source ↗

GitHub

6 row(s)

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

github·Mon, Jun 29, 12:12 AM·Confidence 55%medium qualitypublic

@dcloudio/uni-mp-lark

uni-app mp-lark