--- title: AI-native fraud prevention for online marketplaces by Ravelin date: 2026-06-03T16:06:00+01:00 author: Nikoleta Dimitriou canonical_url: "https://www.ravelin.com/sector/fraud-prevention-for-online-marketplaces" section: Sectors --- # AI-native fraud prevention for online marketplaces by Ravelin ![Ravelin research reveals that the average marketplace loses to fraud $11.4 million every year.](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/sector-pages/Sector-images_Sector-Images-Marketplace.webp) Ravelin research reveals that the average marketplace loses to fraud $11.4 million every year. Marketplaces are multi-sided ecosystems, and **fraud exploits every edge of the network**. Relationship-driven fraud can be difficult to deal with. On-demand ordering, aggregation, hundreds of partners and dozens of locales add to the challenge, while social media exposure presents a real threat to your brand image, from spreading fraud techniques to disgruntled customer amplification. Ravelin helps online marketplaces maximize opportunities and minimize threats with AI-native decisioning and link analysis **ideal for high-volume, complex online marketplaces**. We take a holistic view of marketplace risk, detecting dishonest behavior in real time across your ecosystem while keeping things smooth for legitimate customers. **Protect margins, accelerate scale, and maximize marketplace value with Ravelin.** See the Ravelin difference today ↓ ## TRUSTED BY YOUR PEERS AT - ![Just eat 2 svg 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/just-eat-2.svg_1x.webp) - ![Spotify rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Spotify-rolling-logo_1x.webp) - ![Ankorstore rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Ankorstore-rolling-logo_1x.webp) - ![Deliveroo 7 svg 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/deliveroo-7.svg_1x.webp) - ![Wolt rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Wolt-rolling-logo_1x.webp) - ![Skip the Dishes rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Skip-the-Dishes-rolling-logo_1x.webp) - ![N1co rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/n1co-rolling-logo_1x.webp) - ![Minicabit Rolling Logo 2x 1](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/minicabit-Rolling-Logo_2x-1.webp) - ![Zooplus rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Zooplus-rolling-logo_1x.webp) - ![Fanvue rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/fanvue-rolling-logo_1x.webp) - ![Glovo white](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/Glovo-white.png) - ![Curb rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Curb-rolling-logo_1x.webp) - ![Trainline white](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/trainline-white.png) - ![Just eat 2 svg 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/just-eat-2.svg_1x.webp) - ![Spotify rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Spotify-rolling-logo_1x.webp) - ![Ankorstore rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Ankorstore-rolling-logo_1x.webp) - ![Deliveroo 7 svg 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/deliveroo-7.svg_1x.webp) - ![Wolt rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Wolt-rolling-logo_1x.webp) - ![Skip the Dishes rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Skip-the-Dishes-rolling-logo_1x.webp) - ![N1co rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/n1co-rolling-logo_1x.webp) - ![Minicabit Rolling Logo 2x 1](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/minicabit-Rolling-Logo_2x-1.webp) - ![Zooplus rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Zooplus-rolling-logo_1x.webp) - ![Fanvue rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/fanvue-rolling-logo_1x.webp) - ![Glovo white](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/Glovo-white.png) - ![Curb rolling logo 1x](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/rolling-logos/Curb-rolling-logo_1x.webp) - ![Trainline white](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/trainline-white.png) ![Reporting refund abuse](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_1400xAUTO_fit_center-center_90_none_ns/272685/Reporting-refund-abuse.webp) ## Why online marketplaces choose Ravelin Whether as innovative standalone platform or supplementing a retailer's own offering, marketplaces are an attractive business model with many opportunities – provided you can contain the **trio of professional fraudsters, opportunist customers, and potentially dishonest partners**. Ravelin provides online marketplaces with the confidence to accept more payments, more partners and more customers without compromising on security. ![Blue circle 1](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-1-1.png)### End-to-end coverage for all your pain points Customized AI unique to your business empowers you to apply checks and balances suitable for each customer. Ravelin's platform prevents payment fraud, refund abuse, promo abuse, account takeover, and marketplace partner fraud, while also addressing fake account creation, fraudulent chargebacks, and dishonest consumers. ![Blue circle 2](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-2-1.png)### Powerful refund abuse protection Ravelin distinguishes legitimate customer behavior from opportunistic abuse and organized fraud, including fraud-as-a-service. Confidently issue refunds to good customers while blocking suspicious requests, preventing casual abuse, and delivering exceptional service to your VIPs. ![Blue circle 3](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-3-1.png)### Industry-leading support for your secure growth We pride ourselves on the expertise, helpfulness and responsiveness of our teams. Ravelin's marketplace merchants benefit from our renowned support, spanning data scientist-led investigations, engineers, product specialists and dedicated account manager. ![Blue circle 1](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-1-1.png)### End-to-end coverage for all your pain points Customized AI unique to your business empowers you to apply checks and balances suitable for each customer. Ravelin's platform prevents payment fraud, refund abuse, promo abuse, account takeover, and marketplace partner fraud, while also addressing fake account creation, fraudulent chargebacks, and dishonest consumers. ![Blue circle 2](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-2-1.png)### Powerful refund abuse protection Ravelin distinguishes legitimate customer behavior from opportunistic abuse and organized fraud, including fraud-as-a-service. Confidently issue refunds to good customers while blocking suspicious requests, preventing casual abuse, and delivering exceptional service to your VIPs. ![Blue circle 3](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/large-blue-circle-3-1.png)### Industry-leading support for your secure growth We pride ourselves on the expertise, helpfulness and responsiveness of our teams. Ravelin's marketplace merchants benefit from our renowned support, spanning data scientist-led investigations, engineers, product specialists and dedicated account manager. ## Unlock the patterns behind your losses Detect dishonest suppliers, promo abuse, collusion, coordinated abuse and multi-accounting with Connect – Ravelin's visual link analysis tool. By mapping connections between devices, payment instruments and other characteristics, Connect reveals what other tools can't. The results benefit you threefold, improving your AI models, feeding into rules, and unlocking better investigations. **Our AI-native solutions, continuous innovation, and exceptional understanding of online fraud and payments** have established Ravelin as a trusted partner for iconic online marketplaces. ## Online marketplace fraud is shifting... are you adapting? ### 56% report an increase in payment fraud ### 66% saw a rise in fraud in 2026 ### $11.4m average annual loss per marketplace ### 66% say they could do more to stop fraud ## Marketplace fraud prevention spotlight ![](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/clients-page-Glovo-Testimonial-Logo.svg) ### Boosting authentications for Glovo "Managing risk and 3DS through Ravelin helps me create a feedback loop between 3DS and risk. 3DS outcome information is fed back into the risk engine." – Boris Montin, Director of Risk & Identity at Glovo [See how we achieved +132.6% auth success and +1% conversion rate ](https://www.ravelin.com/case-studies/glovo-ravelin-3ds-case-study) [![499 Agentic Commerce analysis Feature 885x505 1x 1](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/499-Agentic-Commerce-analysis-Feature-885x505_1x-1.webp)1. Guides ### Agentic Commerce fraud strategy: What you need to do "If there’s anything fraudsters like, it’s a new thing." Courtesy of our CPO, Mark Barlow, here's how to protect your online shop from agentic commerce fraud – which can target you no matter whether you're actively adopting AI shopping or not. Read the article](https://www.ravelin.com/blog/agentic-commerce-fraud-prevention-strategy-analysis)[![FS26 Paid Social 855x505px](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/FS26-PaidSocial-855x505px.png)1. Guides ### Driven by AI, customers now rival criminals for ecommerce fraud Global ecommerce fraud enters a new phase as losses continue to climb. Merchants now view criminals and their own customers as presenting a comparable risk, and there's a gap in AI adoption. Get the report](https://www.ravelin.com/blog/ravelin-fraud-survey-2026-press-release)[![344 Food delivery merchant 885x505](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/344-Food-delivery-merchant-885x505.png)1. Case studies ### How a delivery merchant saved $300,000 stopping referral abuse Limiting bad actors is essential to long-term growth. Here's how a food delivery marketplace teamed up with Ravelin to stop referral abuse, and saved $80k a month. Read the case study](https://www.ravelin.com/blog/case-study-delivery-referral-promo-abuse) ![Zachary morgan dashboard](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_1400xAUTO_fit_center-center_90_none_ns/281086/Screenshot-2026-07-01-at-18.30.23.webp) ## See it for yourself We’re proud of our exceptional track record of holistic fraud prevention that enables merchants' global growth. Get in touch with our team to discover Ravelin's approach to secure growth and everything we can do for your company. [Book a call](https://www.ravelin.com/contact-us) ## Latest resources for online marketplaces [![Global Fraud Trends 2026 – Get Ravelin's new fraud survey report](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/FS26-LandingPage_885x505px-1.webp)Guides & reports ### Global Fraud Trends 2026 – Get Ravelin's new fraud survey report ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://pages.ravelin.com/fraud-trends-report-2026-ecommerce?utm_campaign=FS26-FRAUD-SURVEY-REPORT-2026_REPORT_CONTENT&utm_source=website&utm_medium=tile&utm_term=tile&utm_content=tile) [![Your refund policy could land you in VAMP hot water – here's how refunds affect chargeback ratios](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/277294/488-VAMP-Article-image-Feature-885x505.webp)Articles ### Your refund policy could land you in VAMP hot water – here's how refunds affect chargeback ratios ![Unnamed 3](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/265422/unnamed-3.webp)Nelda Biltauere, Senior Fraud and Payments Researcher](https://www.ravelin.com/blog/refund-policy-vamp-ratio) [![Demo: Agentic shopping – and agentic fraud detection – in action](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/agentic-demo/_885x505_crop_center-center_50_line_ns/276400/agentic-shopping-article-479-RavSwag-885x505-Ver2-1.webp)Articles ### Demo: Agentic shopping – and agentic fraud detection – in action ![Wamie](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/228584/wamie.webp)Jamie Willis, Senior Software Engineer](https://www.ravelin.com/blog/agentic-shopping-and-agentic-fraud) [![AI-powered refund abuse and dispute fraud: The democratization of deception](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/273738/461-Refund-abuse-via-GenAI-article-885x505.webp)Articles ### AI-powered refund abuse and dispute fraud: The democratization of deception ![Jamie George](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/265866/894c04e0-d135-420b-8259-f63549a36cf3.webp)Jamie George, VP Account Management and Partnerships](https://www.ravelin.com/blog/ai-powered-refund-abuse-dispute-fraud) [![Online Marketplace Fraud Trends – new report](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/270080/457-Marketplace-Sector-Report-885x505-1.webp)Guides & reports ### Online Marketplace Fraud Trends – new report ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://www.ravelin.com/blog/online-marketplace-fraud-trends) [![Global Payments Report 2026: Regulation, Authentication, Security](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/PR26-PAYMENTS-REPORT-2026/_885x505_crop_center-center_50_line_ns/Mock-up_1200x627px.webp)Guides & reports ### Global Payments Report 2026: Regulation, Authentication, Security ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://pages.ravelin.com/global-payments-report-2026-authentication) Load more <![CDATA[YII-BLOCK-BODY-END]]> [![Global Fraud Trends 2026 – Get Ravelin's new fraud survey report](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/FS26-LandingPage_885x505px-1.webp)Guides & reports ### Global Fraud Trends 2026 – Get Ravelin's new fraud survey report ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://pages.ravelin.com/fraud-trends-report-2026-ecommerce?utm_campaign=FS26-FRAUD-SURVEY-REPORT-2026_REPORT_CONTENT&utm_source=website&utm_medium=tile&utm_term=tile&utm_content=tile) [![Your refund policy could land you in VAMP hot water – here's how refunds affect chargeback ratios](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/277294/488-VAMP-Article-image-Feature-885x505.webp)Articles ### Your refund policy could land you in VAMP hot water – here's how refunds affect chargeback ratios ![Unnamed 3](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/265422/unnamed-3.webp)Nelda Biltauere, Senior Fraud and Payments Researcher](https://www.ravelin.com/blog/refund-policy-vamp-ratio) [![Demo: Agentic shopping – and agentic fraud detection – in action](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/agentic-demo/_885x505_crop_center-center_50_line_ns/276400/agentic-shopping-article-479-RavSwag-885x505-Ver2-1.webp)Articles ### Demo: Agentic shopping – and agentic fraud detection – in action ![Wamie](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/228584/wamie.webp)Jamie Willis, Senior Software Engineer](https://www.ravelin.com/blog/agentic-shopping-and-agentic-fraud) [![AI-powered refund abuse and dispute fraud: The democratization of deception](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/273738/461-Refund-abuse-via-GenAI-article-885x505.webp)Articles ### AI-powered refund abuse and dispute fraud: The democratization of deception ![Jamie George](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/265866/894c04e0-d135-420b-8259-f63549a36cf3.webp)Jamie George, VP Account Management and Partnerships](https://www.ravelin.com/blog/ai-powered-refund-abuse-dispute-fraud) [![Online Marketplace Fraud Trends – new report](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_885x505_crop_center-center_50_line_ns/270080/457-Marketplace-Sector-Report-885x505-1.webp)Guides & reports ### Online Marketplace Fraud Trends – new report ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://www.ravelin.com/blog/online-marketplace-fraud-trends) [![Global Payments Report 2026: Regulation, Authentication, Security](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/PR26-PAYMENTS-REPORT-2026/_885x505_crop_center-center_50_line_ns/Mock-up_1200x627px.webp)Guides & reports ### Global Payments Report 2026: Regulation, Authentication, Security ![1669287463716 2023 12 07 164059 ybjd](https://storage.googleapis.com/ravelin-website-assets-production/assets/images/_33x33_crop_center-center_none_ns/196785/1669287463716_2023-12-07-164059_ybjd.webp)Nikoleta Dimitriou, Senior Content Manager](https://pages.ravelin.com/global-payments-report-2026-authentication) Load more