Stripe Radar

Stripe Radar is Stripe’s fraud and abuse protection service, best suited to merchants and platforms that already process payments through Stripe. Its breadth across payment methods is compelling; businesses that need detailed risk controls should budget for a paid tier.

It is a practical choice when fraud screening belongs inside the payment flow, but it is not a substitute for the business’s own judgment about risk decisions.

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. That makes Radar a strong fit for Stripe-native payment screening, while the scale of the model should not be mistaken for a transfer of responsibility: businesses remain accountable for how they use Radar data and the decisions they make from it.

For businesses already processing payments with Stripe, Radar runs in the background without additional setup. Coverage includes supported bank debits, buy now pay later, crypto, digital wallets, real-time payments and cash vouchers, as well as cards. Stripe Connect can be used without additional integration for accounts onboarded to a platform. Businesses using other payment providers can access Radar risk signals through APIs, though this is distinct from its background protection for Stripe payments.

Key features

Fraud controls vary by tier

Lite focuses on card fraud prevention and card-testing alerts. Standard broadens protection across payment methods and adds analytics, which is the meaningful step up for businesses accepting more than cards. Plus and Pro add risk scores, custom rules and backtesting, manual reviews, risk preferences, adaptive 3D Secure and advanced fraud analytics. These tools give risk teams more ways to tune decisions, but they require a paid plan.

Pro adds dynamic risk thresholds, which Plus does not include, and abuse signals for bots, multiple accounts, account sharing and pay-as-you-go activity, along with free-trial abuse protection. That makes Pro the more relevant tier for businesses facing account or trial abuse, rather than just transaction fraud.

Platforms and external processors

Radar is described as built for platforms, marketplaces and AI companies. Stripe says platforms can use it with Connect without extra integration for accounts onboarded to the platform. For businesses processing through another provider, API risk signals offer a route to Radar data, but the product’s no-setup background operation applies to Stripe payment processing.

Pricing

Radar is freemium. Lite is included at no additional charge for businesses on standard payments pricing, but covers card fraud prevention and card-testing alerts rather than the broader payment-method coverage of Standard.

The paid merchant tiers start at $10 per month, with Plus at $14 and Pro at $20; the platform and marketplace versions start at higher prices. Choose Standard for wider payment coverage and analytics, Plus when rules and risk tuning matter, and Pro when the added abuse signals or dynamic thresholds justify the premium. Enterprise is the fit for tailored recommendations or protection around payments outside Stripe, at custom pricing.

Platforms

Radar supports Android, iOS, web and API. Its API risk signals are particularly relevant to businesses using other payment service providers; Stripe payment users can instead use its background operation.

Who it's for

Radar suits Stripe merchants seeking fraud protection within their existing payment flow, and platforms or marketplaces using Connect. Businesses with mostly card transactions and modest control needs can start with Lite; those accepting varied methods should consider Standard. Teams that need to adjust risk rules or investigate decisions have a reason to move to Plus, while Pro is better suited to businesses confronting bot, multi-account or trial abuse. Businesses using a different processor may value API risk signals, but should weigh that against Radar’s tighter fit with Stripe payments.

Pros and cons

• Broad payment-method coverage: Standard protection spans supported methods beyond cards, useful for merchants with varied payment mixes.
• Low-friction for Stripe users: Radar runs in the background without extra setup for existing Stripe payment processing.
• Useful controls at higher tiers: Plus and Pro add risk scores, custom rules and backtesting; Pro alone adds dynamic thresholds and specific abuse protections.
• Meaningful limits on Lite: The no-additional-charge tier covers cards and card testing, not the broader payment protection of Standard.
• Business remains accountable: Radar signals inform decisions, but the business is responsible for how it uses them.

Alternatives

For a wider category comparison, browse Payment Fraud Detection Software.

• Sift Payment Protection is a paid option with Android, API, iOS and web support; its price is available by contacting the provider.
• DataVisor Fraud Platform is a paid enterprise platform across Android, API, iOS and web, with custom pricing and a demo request.
• Riskified is a paid alternative for API, extension and web, with no price specified.
• FraudLabs Pro is worth considering for a capped free tier: Micro includes 500 queries per month, sales under 25K USD per month, five validation rules, no grouping rules or sub accounts, 50 custom blacklists and Standard Support.
• IPQualityScore Fraud Prevention offers a free tier with 10 custom rules, 1,000 lookups per month, 35 per day and three CSV uploads per day; its listed Startup plan is 99.00 USD.
• Forter Trust Platform is a paid option for Android, iOS and web.
• Kount 360 is a paid alternative with Android, API, iOS and web support; its Shopify app plan is $25 a month recurring, discounted by 80% for the first three months, with up to $0.12 per transaction tiered by monthly transactions.
• Vesta is a paid alternative available for Android, API, iOS and web.

Verdict

Choose Stripe Radar if your business already processes payments through Stripe and wants fraud screening across supported payment methods without adding a separate step to the payment flow. Its strongest case is broad coverage paired with low-friction Stripe operation; look elsewhere if you need a different fit, and account for the paid tiers required for deeper controls and the business’s responsibility for decisions based on Radar data.