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Keep buyers and sellers safe with AI

Prevent fraud, spam and scams from reaching your online marketplace.

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Fraudulent sellers put your customers,  your reputation
- at risk

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Online marketplaces face constant threats from fake or poor quality product listings, fraudulent sellers and outright scams. These risks don’t just frustrate buyers - they undermine trust in your platform, expose customers to real harm and ultimately impact growth.
Give buyers and sellers confidence that what they see is authentic and safe. Protect your reputation, with moderation solutions built for online marketplaces.

54%
of consumers said they encountered fraudulent or suspicious items on the Internet

Benefits

Give buyers confidence in every transaction

Checkstep’s AI platform protects your marketplace from fraud, fake listings and scams at scale.

 

Real-time decisions

With sub-50 millisecond latency, Checkstep processes and reviews listings in real-time. An 8x reduction in moderation time helps keep buyers safe 24/7.

Accurate detection

Access to the best LLMs on the market lets you detect harmful content and violative products with the highest level of accuracy - up to 99%.

Compliance first

Go beyond basic moderation with policies tailored for product compliance - detect prohibited items like restricted knives, controlled chemicals or forged documents alongside other harmful content.

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The go-to platform for product compliance and marketplace safety

Our platform has been designed with the unique challenges of online marketplace moderation and compliance in mind.

Automate moderation to let human moderators focus on what matters most

Send ‘suspicious content’ to our sophisticated AI reasoning model, Advanced ModBot, to take decisions on content. Updates to your policies are immediately learned by the bot. Keep humans in the loop and allow the bot to escalate when it’s not sure.

Streamline case management - close flags faster

Manage flagged content in one central place with full visibility into violations. Case management gives your team clear context, policy alignment and enforcement options - review, escalate, or resolve cases quickly and confidently.

Create custom detection models in minutes, not months

Our technology-forward approach allows you to create custom models to detect what matters to your marketplace - in a matter of minutes. Gone is the need to wait months for a machine learning team to train a model from scratch. 

Access leading compliance intelligence and integrations

Stay ahead of evolving compliance requirements with our intelligence reporting, giving you early insight into regulatory changes. Our direct API integration with the EU Commission automates DSA reporting, reducing manual effort and ensuring your marketplace remains compliant at scale.

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FAQs

Most frequently asked questions about Checkstep marketplaces

Learn more about our AI content moderation platform

  • How does your risk level classification system work?

    The client decides on the risk thresholds using the harm category and the AI scores. Checkstep can provide guidance. These risk thresholds can be adjusted in the moderation interface.

  • Do you have developer docs?

    Yes, developer documentation can be found here

  • Do you offer age verification?

    Yes, we offer Age Verification services. We can apply age estimation algorithms and also integrate end-to-end age and/or identity verification flows.

  • What languages do you cover?

    We currently process 100 languages natively and we can support every language through translation. 

Want to see our AI content moderation platform for yourself?

Book a demo to see how it can help you deliver safer, more inclusive content at scale. 

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