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March 26, 2026Ad PlatformNew Feature

The Problem

Previously, Topsort offered limited ability to create audience segments in the UI, and there was no centralized place for marketplace users to view and manage all existing audiences.

The Solution

Topsort now offers a powerful new Audience Builder feature, a central place to create and manage segments. The new Audiences tab in the marketplace Admin Dashboard displays every audience with its name, source type, and user count in a single table. From the Audiences tab, marketplace users can create segments using three methods:
  • Upload via CSV: Upload a file of opaque user IDs directly from your computer. Once processed, the audience appears in the table with its calculated size.
  • Behavioral Audiences: Build audiences by filtering users based on their past behavior, such as views, clicks, or purchases on specific products or any products within specific categories, within the last 7, 30, or 90 days. Include filters can be combined with ANY (or) or ALL (and), and exclude filters remove unwanted users.
  • Combined Lists (new): Create a new audience by combining previously uploaded lists using logical rules. Add up to two include groups (each with up to 3 lists) using Any (union) or All (intersection) logic, connected by OR. An optional exclude block removes users from the final audience.
All audiences, regardless of how they are created, are available to all vendors within the retailer environment and can be used as boosters in the campaign creation flow for every ad format. Topsort also offers the ability to restrict audiences to specific vendors via API.

How It Works

1

Navigate to Audiences

Open the Audiences tab in the Admin Dashboard sidebar. You’ll see a table of all audiences available to your account with their source type and user count.
2

Create an Audience

Click Create Audience and choose your method: Upload via CSV, Behavioral Audience, or Combined Lists.
3

Configure Your Audience

Follow the guided flow for your chosen type. For CSV uploads, provide your file. For behavioral audiences, set your include/exclude filters. For combined lists, use include and exclude blocks to layer your existing uploaded lists.
4

Use in Campaigns

Your audience appears in the campaign creation flow as a booster, available across all ad formats and vendors.
Available now. Contact your Topsort account team to enable the Audiences tab, or see the Audience Segments documentation for full details.