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Chalk

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Risk intelligence platform enhancing fraud detection and credit underwriting with real-time data and machine learning

San Francisco, United StatesFounded 2022AI
Valuation $500M–1B Latest valuation · 2025
Headcount 100–500 Current team size
Total funding $50–100M Disclosed equity funding
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About Chalk

Chalk.ai is a cutting-edge startup that specializes in providing advanced risk intelligence solutions for businesses. The company operates in the financial technology (fintech) sector, focusing on fraud detection and credit underwriting. Chalk.ai's platform leverages machine learning (ML) and data engineering to help companies manage and mitigate risks associated with financial transactions.

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The primary clients of Chalk.ai are businesses that require robust fraud detection and credit analysis capabilities. These include financial institutions, e-commerce platforms, and other companies that handle large volumes of transactions and need to ensure the security and reliability of their financial operations. Notable clients include Ramp, Affirm, and Airbnb, which have integrated Chalk.ai's solutions into their risk management processes.

Chalk.ai operates in the highly competitive market of risk management and financial technology. The company differentiates itself by offering customizable and scalable solutions that allow businesses to tailor their fraud detection and credit analysis to their specific needs. This is achieved through the use of online machine learning, which enables real-time data processing and decision-making.

The business model of Chalk.ai revolves around providing a subscription-based service. Companies pay for access to the platform, which includes tools for fraud detection, credit underwriting, and data engineering workflows. The platform is designed to be user-friendly, allowing businesses to implement and manage their risk intelligence processes without the need for extensive infrastructure or technical expertise.

Chalk.ai makes money by charging subscription fees for its platform. These fees are likely tiered based on the level of service and the volume of transactions processed. Additionally, the company may offer premium features or custom solutions at an additional cost, providing further revenue streams.

In summary, Chalk.ai is a fintech startup that offers advanced risk intelligence solutions to businesses, helping them manage fraud and credit risks through a customizable, scalable platform powered by machine learning.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2022
Headquarters
San Francisco, United States
Employees
120
Open positions
29
Dealroom signal
93.8/100
Industry
Enterprise Software
Sector
AI, Software Development
Technology
Artificial Intelligence, Big Data, Machine Learning
Business model
SaaS
Client focus
b2b

Latest news

Press, funding announcements and product moves mentioning Chalk.

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Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AOther financing May 2025 $50M $500M Xfund · Unusual Ventures · Triatomic Capital · Felicis
SEEDOther financing Dec 2023 $10M $40M Xfund · General Catalyst · Unusual Ventures
Showing the latest 2 of 2 recorded eventsBook a demo for the full funding history →

Growth signals

Chalk website traffic

Latest recorded traffic for Chalk is 33K monthly website visits, down 15.4% over the last three months. Chalk's team grew 53.8% over the past year.

Latest monthly visits33K 3-month web change-15.4% 1-year team growth+53.8%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investors

5 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

Series A2 investors entered at this stage

Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States98.8%
🇸🇬 Singapore1.2%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Chalk on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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