Retail media · Ad server APIs · Auctions · AI optimization

SYSTEM LIVE

The AI Monetization
Infrastructure
for Modern Commerce.

Topsort helps marketplaces, retailers, delivery apps, travel platforms, and commerce networks launch and scale retail media — with ad server APIs, real-time auctions, sponsored listings, display, offsite, in-store, and AI optimization.

Book a Demo Explore the API

topsort · live monetization system

200 OK

Commerce signals ingress

GET /v2/auction · query=running shoes

GET /v2/auction · category=grocery/snacks

GET /v2/auction · pdp=sku_8821

GET /v2/auction · search=hotel · lisbon

POST /v2/events · type=click · auc_4421

GET /v2/auction · homepage · banner_top

GET /v2/auction · search=organic milk

POST /v2/events · type=purchase · $48.20

Decision engine auction · ranking · relevance

topsort.engine

Auction · Rank · Relevance

bids

12,481

elig.

98.2%

p99

4.3ms

Monetized surfaces egress

SP-LIST Sponsored Listing

→ sku_456

DISP-HP Display · Home

→ br_nike

BRAND-SB Sponsored Brand

→ br_kell

OFFSITE Offsite · Meta

→ cmp_812

INSTORE In-Store · EP-204

→ scr_a14

auctions/sec 184,209

latency · p50 2.1 ms

latency · p99 4.6 ms

fill rate 97.4%

Retail media networks

100+

Countries live

40+

Auction latency

<5ms

Powering Billions in Commerce Media across 40+ Countries

Why Topsort · 001

Ad servers were built for publishers.

Commerce needs infrastructure.

Retail media is not just another ad slot. Every sponsored product, banner, brand placement, and offsite campaign has to understand catalog data, search intent, inventory, budgets, bids, pacing, attribution, and shopper relevance. Topsort was built for that world.

Legacy ad server

01 Publisher display logic
02 Slot-based delivery
03 Manual trafficking
04 Cookie-era targeting
05 Basic impression reporting
06 Generic ad workflows

Topsort

01 Commerce-native auctions
02 Product, seller & catalog intelligence
03 API-first automation
04 First-party commerce signals
05 Revenue, ROAS & attribution
06 Retail media infrastructure

Global rail · 002

One global auction network.

Nine regions. Edge-deployed auction engine. Sub-5ms p99 latency wherever your shoppers are — from São Paulo to Singapore.

regions 9

countries 40+

p50 latency 2.1ms

uptime SLA 99.99%

Surface coverage · 003

One infrastructure layer.
Every commerce media surface.

SURFACE / 01

Display & Banners

Monetize homepage, category, product detail, and landing page inventory.

SURFACE / 03

Offsite Ads

Extend retail media demand into external channels and partner networks.

SURFACE / 05

In-Store Media

Connect physical screens and shopper signals to retail media campaigns.

SURFACE / 06

AI Agents & Analytics

Use Tomi, Data Genie, and T-Brain to automate operations, reporting, and optimization.

The stack · 004

Start with what you need.
Scale into the full stack.

PHASE 01

Launch

T-Zero

Ad Server API

Launch sponsored listings and display ads quickly with programmable monetization infrastructure.

T-Platform

Retail Media Platform

A complete platform to launch and operate a retail media business.

PHASE 02

Scale

T-Engine

Auction & Ranking Engine

High-performance auction infrastructure for large-scale commerce media.

T-Brain

Commerce Intelligence

Use catalog, auction, campaign, and performance data to power smarter monetization.

PHASE 03

Optimize

Toptimize

AI Optimization Layer

Improve yield, pacing, ROAS, and relevance on top of your existing ad stack.

Tomi

AI Ad Ops Agent

Launch and manage campaigns conversationally.

Data Genie

Retail Media Analytics

Unify reporting, insights, benchmarking, and performance analysis.

PHASE 04

Expand

Toppie DSP

Retail Media Demand

Connect retail media supply and demand across marketplaces, retailers, agencies, and brands.

Private Toppie

Private-label DSP

Give retailers and commerce networks their own demand-side buying layer.

Offsite Ads

External Channel Activation

Extend retail media into offsite channels.

In-Store Journey

Physical Retail Media

Connect screens and physical shopper signals to campaigns.

Who it's for · 005

Built for commerce companies
turning traffic into revenue.

SEGMENT / 01

Retailers

Launch and scale retail media networks across onsite, offsite, and in-store channels.

SEGMENT / 02

Marketplaces

Monetize search, category, and discovery surfaces with seller-funded advertising.

SEGMENT / 03

Delivery Apps

Power sponsored restaurants, grocery placements, CPG campaigns, and local commerce ads.

SEGMENT / 04

Travel Platforms

Create sponsored placements for hotels, destinations, airlines, experiences, and partners.

SEGMENT / 05

Financial Platforms

Build privacy-conscious monetization using first-party context and controlled inventory.

SEGMENT / 06

Classifieds & Networks

Turn high-intent discovery traffic into native ad revenue.

How it works · 006

From commerce signal
to monetized experience.

STEP / 01

Send commerce context

Search, category, catalog, inventory, user/session context streamed via API.

STEP / 02

Topsort runs the auction

Eligibility, bids, budgets, pacing, relevance, and quality — all in <5ms.

STEP / 03

You render the experience

Sponsored listings, display, brands, offsite, in-store — surfaced in your UI.

STEP / 04

Outcomes flow back

Impressions, clicks, purchases, attribution, revenue, and ROAS — fully measured.

Case studies · 007

From launch to scale,
commerce leaders use Topsort to grow media revenue.

01 · Launch

Launch a new retail media program in weeks.

02 · Scale

Grow seller-funded advertising across categories and countries.

03 · Optimize

Improve yield, ROAS, pacing, and relevance.

04 · Expand

Move from onsite into offsite, in-store, and AI-native formats.

Developers · 008

Built API-first
for teams that want control.

Topsort integrates with your existing catalog, search, checkout, and reporting systems. Send auction requests, return sponsored results, track events, and measure revenue without rebuilding the full ad stack yourself.

Read the Docs Talk to Solutions Engineering

POST /v2/auctions200 · 3.2ms

// request
{
  "placement": "search_results",
  "query": "running shoes",
  "candidates": [
    "sku_123",
    "sku_456",
    "sku_789"
  ],
  "marketplace": "us",
  "session_id": "abc_123"
}

// response
{
  "winners": [
    {
      "product_id": "sku_456",
      "type": "sponsored_listing",
      "auction_id": "auc_789",
      "rank": 1
    }
  ]
}

AI-native commerce · 009

AI changes commerce.
Commerce infrastructure has to change with it.

As shopping moves from pages to prompts, recommendations, agents, and omnichannel journeys, monetization can no longer depend on static ad slots. Topsort brings auctions, relevance, measurement, and optimization into the AI-native commerce layer.

MODULE / 01

T-Brain

Commerce intelligence for ranking, relevance, and optimization.

MODULE / 02

Tomi

AI agent for retail media operations.

MODULE / 03

Data Genie

AI-ready analytics and reporting.

MODULE / 04

What enterprise commerce teams
say about Topsort.

“

Topsort gave us retail media infrastructure that actually understands commerce — not display.

VP, Monetization

Global Marketplace

“

We went from zero to a full sponsored listings program in under six weeks. The auction is fast and the API is clean.

Director of Engineering

Top-10 Retailer

“

Toptimize lifted our ROAS by 38% on the same supply. It feels like an unfair advantage.

Head of Ads Product

Delivery Platform

END / 011

Build the monetization layer
your commerce business deserves.

Launch faster, scale globally, and optimize every commerce media surface with infrastructure built for marketplaces, retailers, and enterprise platforms.

Book a Demo Explore the API

Book a Demo

The AI Monetization Infrastructure for Modern Commerce.

Ad servers were built for publishers.

Commerce needs infrastructure.

One global auction network.

One infrastructure layer.Every commerce media surface.

Sponsored Listings

Display & Banners

Sponsored Brands

Offsite Ads

In-Store Media

AI Agents & Analytics

Start with what you need.Scale into the full stack.

Launch

Scale

Optimize

Expand

Built for commerce companiesturning traffic into revenue.

Retailers

Marketplaces

Delivery Apps

Travel Platforms

Financial Platforms

Classifieds & Networks

From commerce signalto monetized experience.

Send commerce context

Topsort runs the auction

You render the experience

Outcomes flow back

From launch to scale,commerce leaders use Topsort to grow media revenue.

Launch a new retail media program in weeks.

Grow seller-funded advertising across categories and countries.

Improve yield, ROAS, pacing, and relevance.

Move from onsite into offsite, in-store, and AI-native formats.

Built API-firstfor teams that want control.

AI changes commerce.Commerce infrastructure has to change with it.

T-Brain

Tomi

Data Genie

Sponsored Prompts

What enterprise commerce teamssay about Topsort.

Build the monetization layeryour commerce business deserves.

The AI Monetization
Infrastructure
for Modern Commerce.

One infrastructure layer.
Every commerce media surface.

Start with what you need.
Scale into the full stack.

Built for commerce companies
turning traffic into revenue.

From commerce signal
to monetized experience.

From launch to scale,
commerce leaders use Topsort to grow media revenue.

Built API-first
for teams that want control.

AI changes commerce.
Commerce infrastructure has to change with it.

What enterprise commerce teams
say about Topsort.

Build the monetization layer
your commerce business deserves.