> ## Documentation Index
> Fetch the complete documentation index at: https://docs.topsort.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

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<div style={{textAlign: 'justify', marginBottom: '1.5rem'}}>
  Toppie is Topsort's ad exchange and demand-side platform that unifies retail media buying and selling across multiple retailers. It functions as both a **demand-side ad exchange** (facilitating real-time transactions between buyers and sellers) and **ad network** (aggregating inventory from multiple retailers for streamlined access).
</div>

## The Core Problem Toppie Solves

<div style={{textAlign: 'justify', marginBottom: '1.5rem'}}>
  Retail media suffers from severe fragmentation. Agencies and brands struggle to manage campaigns across multiple mid-sized retailers, while these retailers can't attract the brand spend that larger players like Amazon and Walmart command. This creates a "budget fragmentation" problem where smaller retailers struggle to monetize their inventory effectively, and brands miss opportunities to reach high-intent shoppers outside the major platforms.
</div>

## Toppie's Solution

<div style={{textAlign: 'justify', marginBottom: '1.5rem'}}>
  * **[For Agencies and Brands:](/en/knowledge-base/toppie/agencies-brands/agencies-brands/)** One platform to create, manage, and optimize campaigns across multiple retailers with unified reporting and budget allocation
  * **[For Retailers and Marketplaces:](/en/knowledge-base/toppie/retailers-marketplaces/retailers-marketplaces/)** Access to incremental brand budgets and demand without operational overhead or lengthy sales cycles
</div>

## Key Differentiators

<div style={{textAlign: 'justify', marginBottom: '1.5rem'}}>
  * Universal Product Catalog that maps SKUs across retailers
  * Real-time budget optimization using Topsort's **BIDLESS™** technology
  * Unified attribution and reporting across all participating retailers
  * Integration options ranging from plug-and-play (for existing Ad Platform clients) to custom API implementations
</div>

***

<LastUpdated date="2025-11-18" />