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Request a demo

Request a demo

Book a demo with your own catalog.

In 30 minutes we will show onmark scanning Wallapop, Vinted, eBay and Milanuncios for your products, in the locations you care about. Built for loss-prevention teams, brand-protection analysts and investigators.

What we will cover
  1. 01

    Your catalog, matched live

    We load a sample of your products and show real listings that match, with confidence scores.

  2. 02

    Suspicious sellers, grouped

    See how repeat sellers turn into evidence-backed cases you can hand to a marketplace or the police.

  3. 03

    Your locations and alerts

    Set the cities and marketplaces that matter and choose who gets notified.

Tell us about your team

We reply within one business day to schedule your walkthrough.

Marketplaces you care about
Select marketplaces

By submitting, you agree to be contacted about onmark. We never share your details or catalog data.

After you submit

From request to first results in one week.

  1. Day 1

    We reply and schedule

    A loss-prevention specialist confirms a time that suits your team and asks for a sample of your catalog.

  2. Day 2-3

    Live walkthrough

    We run onmark on your products and locations and walk through real matches, sellers and cases together.

  3. Day 7

    Pilot with your team

    If it fits, we connect your catalog, set your alerts and start monitoring the marketplaces you choose.