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SafetyKit

YC S23

San Francisco, US · Founded 2023 · Delaware corporation · 10 employees · Hiring · 5 known investors

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SafetyKit provides an AI-powered fraud detection and abuse prevention platform for online marketplaces and platforms. The system uses a Network Foundation Model to ingest user actions via SDK and API, analyze behavioral signals in real-time, and automatically investigate cases to reduce manual review burden.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechSaaSComplianceTrust & SafetyUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S23)

SafetyKit was founded in 2023 by David Graunke and Steven Guichard.

DGDavid Graunke
David GraunkeFounder & CEODavid Graunke led engineering for risk and compliance systems at Stripe, where he developed infrastructure for fraud detection, financial crime prevention, and content moderation that supported the company's scaling across internal and vendor-based review operations.
SGSteven Guichard
Steven GuichardFounderHe previously served as the first software engineer and later CEO at Carbic, where he contributed to developing ultrasonic flow sensors for oil pipelines and offshore installations, and cofounded Thomas Street, a software design consultancy that served clients including Cisco, Roche, and DirecTV.
BG
Ben GuzovskySoftware Engineer
AR
Alex Rosenblatt

Board

JAJordan Angelos
Jordan AngelosBoard directorGeneral Partner at Ribbit Capital

Investors · 5

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

Andreessen HorowitzreportedMenlo Park · $500K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Liquid VenturesreportedSan Francisco · $250K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Ribbit CapitalreportedPalo Alto · $2M – $15Mvia Jordan Angelos · board

How we know: board seat on SEC Form D · funding news · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$27.2M disclosed across 1 round · 2025

▶$27.2MraisedOct 2025 · 56 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Steven GuichardExecutive Officer, Director
  • David GraunkeExecutive Officer, Director
  • Jordan AngelosDirector
Offering amount
$27.3M
Amount sold
$27.2M
First sale
Mar 2025
Incorporated
Corporation, Delaware, 2023
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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Companies working in the same space as SafetyKit.

Legal entities · 1

corporate structure
SafetyKit, Inc.

In the news

SafetyKit | SafetyKit Raises $27m to Make AI do Tech's Dirty Worksafetykit.com · Jun 2025SafetyKit Funding | $750K Revenue | Complete Analysis | Extruct AIextruct.ai · Sep 2023API Reference | SafetyKitdocs.safetykit.com

Frequently asked questions

What does SafetyKit do?
SafetyKit provides an AI-powered fraud detection and abuse prevention platform for online marketplaces and platforms. The system uses a Network Foundation Model to ingest user actions via SDK and API, analyze behavioral signals in real-time, and automatically investigate cases to reduce manual review burden.
Who founded SafetyKit?
SafetyKit was founded by David Graunke, Steven Guichard in 2023.
Who are SafetyKit's investors?
SafetyKit's investors include First Round Capital, Y Combinator, Andreessen Horowitz, Liquid Ventures, Ribbit Capital.
How much funding has SafetyKit raised?
SafetyKit has disclosed $27.2M raised across 1 round.
Where is SafetyKit headquartered?
SafetyKit is headquartered in San Francisco, US.