Stripe Radar

Stripe Radar is a fraud and abuse protection service for businesses processing payments. It uses AI to block fraudulent payments, flag suspicious accounts, and address customer abuse in real time. Stripe says the AI draws on more than 70 trillion data points across its network. Radar covers supported payment methods including bank debits, buy now pay later, crypto, digital wallets, real-time payments, and cash vouchers. Businesses already processing payments with Stripe can use it in the background without additional setup. It can also be used with Stripe Connect, and risk signals are available through APIs for businesses using other payment providers. Plus and Pro include risk scores, custom rules and backtesting, manual reviews, risk preferences, adaptive 3D Secure, and advanced analytics. Pro adds bot, multi-account, account-sharing, pay-as-you-go, and free-trial abuse signals. Radar Lite is included at no additional charge for businesses on standard payments pricing; paid plans start at $10 per month. Users are responsible for decisions they make based on Radar data.

Radar offers fraud controls for Stripe payment flows as well as API risk signals for other processors. The free included option covers card fraud prevention, while paid plan features and prices vary by tier and use case.

Radar suits businesses processing payments that need fraud controls, including platforms and marketplaces. API risk signals are also available to businesses processing transactions through other payment providers.

Stripe Radar is Stripe’s fraud-prevention service, with API risk signals also available to businesses using other processors. It is strongest for merchants and platforms already taking payments through Stripe. Its broad payment coverage is compelling, but the more advanced controls and abuse signals sit behind higher-priced tiers.

Overview

Radar uses machine learning to block fraudulent payments, flag suspicious accounts, and help prevent customer abuse in real time. Stripe says its AI is trained on more than 70 trillion data points across its network. For businesses already processing payments through Stripe, Radar works in the background without additional setup; that makes it a practical way to add screening without a separate payment-flow integration.

Protection covers supported payment methods beyond cards, including bank debits, buy now pay later, crypto, digital wallets, real-time payments, and cash vouchers. Radar also works with Stripe Connect, with no additional integration required for Connect accounts onboarded to a platform. Businesses using other payment providers can access Radar risk signals through APIs, but should not confuse that with the background protection available for Stripe payments.

Key features

Controls scale with the plan

Radar Lite focuses on card fraud prevention and card-testing alerts. Standard adds fraud protection across supported payment methods and analytics. Plus and Pro add risk scores, custom rules and backtesting, manual reviews, risk preferences, adaptive 3D Secure, and advanced fraud analytics. Dynamic risk thresholds are reserved for Pro, so businesses that need that control must move beyond Plus.

Pro also adds signals for bot activity, multi-account behavior, account sharing, pay-as-you-go abuse, and free-trial abuse. These are useful for businesses facing account-level or trial misuse, but less relevant to merchants concerned only with card payment fraud. Stripe lists real-time scoring, custom rules, machine-learning models, and device fingerprinting among Radar’s capabilities.

Platform and external-processor use

Stripe describes Radar as suited to platforms, marketplaces, and AI companies. Connect support reduces integration work for platforms whose accounts are onboarded through Stripe. For businesses processing payments through other providers, the API risk signals offer a route to Radar data, while enterprise customers can seek tailored recommendations and protection for payments not processed on Stripe.

Radar data does not transfer decision responsibility to Stripe: users are responsible for how they use that data and for decisions made from it. Businesses should treat the scores and signals as inputs to their own risk process.

Pricing

Radar is freemium. Lite is included at no additional charge for businesses on standard payments pricing and provides AI fraud prevention for card payments plus fraud alerts. That is a useful starting point for card-focused Stripe merchants, but it does not include the all-payment-method protection of Standard or the advanced controls of Plus and Pro.

Standard is the lower-cost paid step for merchants who need coverage across payment methods; Plus suits teams that want to shape rules and risk tolerance. Pro is the tier to consider when abuse extends to bots, account behavior, or free trials. Platform and marketplace plans start at higher prices than their corresponding merchant tiers, so those businesses should weigh the platform-specific capabilities against that higher entry cost. Enterprise is for organizations seeking tailored recommendations or risk signals beyond Stripe-processed payments, with custom pricing.

Platforms

Radar supports Android, iOS, web, and API. Its API availability matters most to businesses using other processors or integrating risk signals into their own systems; Stripe merchants can use the background service within their existing payment flow.

Who it's for

Radar is a strong fit for Stripe merchants that want fraud screening built into payment processing, especially when they accept a mix of supported payment methods. Platforms using Connect can benefit from the lack of additional integration for onboarded accounts. Businesses that need extensive custom controls should budget for Plus or Pro rather than expecting the free tier to provide them. Those seeking a standalone fraud system for a non-Stripe payment operation should assess the API risk-signal use case carefully, since it differs from Radar’s Stripe-native protection.

Pros and cons

• Pro: Coverage spans supported payment methods beyond cards, making Standard relevant to businesses with varied payment flows.
• Pro: Lite is included at no additional charge for businesses on standard payments pricing, offering card fraud prevention and alerts without a separate Radar fee.
• Pro: Connect accounts onboarded to a platform need no additional integration for Radar.
• Con: Custom rules and risk scores require Plus or Pro, while dynamic risk thresholds require Pro, raising the cost for teams that need deeper control.
• Con: The free tier is card-focused, so merchants needing broader payment-method protection must move to a paid plan.
• Con: Businesses remain responsible for decisions based on Radar data, so the service does not replace an internal risk process.

Alternatives

For a broader comparison, browse Payment Fraud Detection Software.

• Sift Payment Protection is a paid option with Android, API, iOS, and web support; choose it if you want to evaluate a different paid fraud-protection service.
• DataVisor Fraud Platform is a paid enterprise platform with custom pricing; it may suit buyers seeking an enterprise platform and willing to request a demo.
• FraudLabs Pro offers a free Micro plan with 500 queries per month, sales below 25K USD per month, five validation rules, and 50 custom blacklists. It is worth considering when those stated caps fit a smaller-volume operation.
• IPQualityScore Fraud Prevention has a free plan with 10 custom rules, 1,000 lookups per month, and 35 per day; it is a fit to compare when a capped lookup allowance and rule quota suit the use case.
• Forter Trust Platform is another paid option for Android, iOS, and web.
• Kount 360 has no free plan; its Shopify app starts at $25.00 per month recurring, with a stated transaction charge of up to $0.12.
• Vesta is another paid option supporting Android, API, iOS, and web.
• ClearSale has no free plan and offers Growth plans with Chargeback Guarantee starting at $250.00 per month, with usage-based pricing tied to transaction volume.

Verdict

Choose Stripe Radar if your business already processes payments through Stripe and wants fraud screening across supported methods without adding another payment-flow integration. Its included Lite tier is a sensible card-focused start, while Plus and Pro provide a clear path to more control and abuse signals. Look elsewhere if you need a non-Stripe fraud platform first and Radar’s API risk-signal model does not fit, or if your required controls make the higher tiers hard to justify.