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Overview
Chalk.ai provides risk intelligence for businesses in fintech, focusing on fraud detection and credit underwriting. It offers a scalable platform powered by machine learning and data engineering to help companies manage risk during financial transactions. The product processes data in real time through online ML models, enabling live decision-making, and is delivered as a subscription service with configurable workflows and risk models that require minimal infrastructure to use. Chalk.ai differentiates itself by offering highly customizable and scalable risk solutions tailored to each business’s needs, along with real-time processing and an easy-to-use platform. Its goal is to help financial institutions, e-commerce platforms, and other high-volume transaction businesses reduce fraud and improve credit decisions by providing actionable risk insights through a managed ML-powered platform.
About Chalk
Industries
Data & Analytics
Enterprise Software
Fintech
AI & Machine Learning
Company Size
51-200
Company Stage
Series A
Total Funding
$60M
Headquarters
San Francisco, California
Founded
2022
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Simplify's Take
What believers are saying
- Chalk raised $50 million in May 2025 at a $500 million valuation.
- Customer stories in 2026 show Melio, Whatnot, Turo, and Verisoul expanding usage.
- Headcount reached about 141 by March 2026, signaling hiring and product momentum.
What critics are saying
- Databricks, BigQuery, and feature-store vendors pressure Chalk's pricing by 2026.
- Mission-critical fintech customers demand perfect uptime; any api.chalk.ai incident damages trust immediately.
- If AI inference infrastructure commoditizes, Chalk becomes a service layer with weak moat.
What makes Chalk unique
- Chalk's compute-first context engine runs in customer VPCs with sub-5ms latency.
- Mission Lane and Melio use Chalk for unified real-time underwriting and fraud decisions.
- Chalk's LLM toolchain bridges structured and unstructured data into auditable inference features.
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Funding
Total Funding
$60M
Above
Industry Average
Funded Over
2 Rounds
General CatalystIndustry standards
Benefits
Health Insurance
Dental Insurance
Vision Insurance
401(k) Retirement Plan
Paid Vacation
Paid Holidays
Flexible Work Hours
Phone/Internet Stipend
Growth & Insights and Company News
6 month growth
↑ 6%1 year growth
↑ 3%2 year growth
↑ 0%The most innovative data science companies of 2026. March 24, 2026 Why Unstructured, Feedzai, Synchron, and Chalk are among Fast Company's Most Innovative Companies in data science for 2026.
Chalk, the data platform for AI inference, announced today that it has raised a $50 million Series A at a $500 million valuation. The round was led by Felici...
On May 28, 2025, Neuralink secured $600 million to advance its brain-computer interface trials. The funding highlights a strong interest in frontier tech, with other notable investments including Horizon3.ai's $100 million for its AI-driven cybersecurity platform. The diverse funding landscape underscores continued support for innovative tech solutions.
Chalk, the data platform for AI inference, announced today that it has raised a $50 million Series A at a $500 million valuation.
SAN FRANCISCO (Reuters) -Artificial intelligence infrastructure startup Chalk said Wednesday it had raised a $50 million Series A funding round, valuing the company at $500 million.
Chalk is Hiring for 17 Jobs on Simplify!
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About Chalk
Industries
Data & Analytics
Enterprise Software
Fintech
AI & Machine Learning
Company Size
51-200
Company Stage
Series A
Total Funding
$60M
Headquarters
San Francisco, California
Founded
2022
Chalk is Hiring for 17 Jobs on Simplify!
Find jobs on Simplify and start your career today