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Ramp Intelligence is an AI-powered finance management platform that helps businesses control spending, manage expenses, and optimize software procurement
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Stripe Radar
Stripe Radar is an AI-powered fraud prevention tool integrated into Stripe's payment processing platform
Updated Jun 2026· 70/100
Free plan API
About Stripe Radar
Stripe Radar is an AI-powered fraud prevention tool integrated into Stripe's payment processing platform. It uses machine learning to detect and block fraudulent transactions in real-time, with pricing starting at 2¢ per screened transaction for standard Stripe accounts or 5¢ for standalone use.
Stripe Radar is a fraud detection system built into Stripe's payment infrastructure that uses machine learning to identify and prevent fraudulent online transactions. The tool automatically screens payments using adaptive algorithms trained on data from millions of businesses across the Stripe network, maintaining API success rates above 99.999%. Users can manually review flagged transactions, customize fraud rules, and access analytics to track fraud patterns. Radar is designed for businesses processing online payments through Stripe, from small merchants to enterprises with dedicated fraud teams requiring advanced customization options.
Pros & cons
Pros
- Integrated directly into Stripe's payment processing with no separate setup required
- Machine learning trained on data from millions of businesses across the Stripe network
- Maintains API uptime above 99.999% with minimal downtime even during peak seasons like Black Friday
- Users consistently praise ease of use and effective fraud detection that simplifies securing transactions
- Customizable rules and actionable insights for businesses with specific fraud prevention needs
Cons
- Increasingly expensive when factoring in dispute fees, auto-submission costs, and optional features like pre-dispute resolution
- Advanced features in Radar for Fraud Teams cost significantly more (7¢ per transaction vs 2¢ for standard)
- Stripe's algorithmic risk actions can freeze funds, and scaled support makes getting additional account review difficult
- Only works with Stripe payment processing, limiting flexibility for multi-processor setups
Key features
Api
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Stripe Radar
Ramp Intelligence
Vic.ai
Pricing
Freemium
Freemium
Freemium
Free plan
Yes
Yes
No
Free trial
No
No
Yes
API
Yes
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—
Self-hosted
No
No
—
Team support
—
Yes
Yes
Frequently asked questions
Is Stripe Radar free?+
Stripe Radar is not free. For accounts with standard Stripe pricing (2.9% + 30¢), the basic machine learning screening costs 5¢ per transaction but is waived. For other accounts, it costs 2¢ per screened transaction. The advanced Radar for Fraud Teams costs 7¢ per transaction or 2¢ with standard processing pricing.
What does Stripe Radar integrate with?+
Stripe Radar is built directly into Stripe's payment processing platform and works with Stripe-supported payment methods. It integrates with Stripe's broader ecosystem including Checkout, Payment Links, and Terminal. Integration details with external third-party tools were not found in our research — check the official Stripe documentation for specific integration capabilities.
How does Stripe Radar compare to alternatives?+
According to G2 reviews, the top alternatives to Stripe Radar are Sift, Signifyd, and Kount. Users note that Radar's main advantage is seamless integration with Stripe payments and ease of use, while alternatives may offer more flexibility for multi-processor environments. Some users report trying multiple solutions and finding varying results, with cost being a consideration as Radar's pricing increases with dispute management features.
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