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

# Campaigns

## Introduction

<Info>
  Campaigns define the high-level configuration for advertising across retailer inventory.
</Info>

They act as containers for line items, which control delivery, targeting, and bidding. Campaign behavior and configuration may vary depending on the buy type (e.g., Sponsored Products or Onsite Display).

<Frame>
  <img src="https://mintcdn.com/criteo-e1682996/cmPz0RjwwK8-Y1zy/images/retail-media/v2026-preview/docs/ccf956f-campaign1.png?fit=max&auto=format&n=cmPz0RjwwK8-Y1zy&q=85&s=f1a304e7d8aa1e6ddd29c337a9cd7f98" width="1872" height="909" data-path="images/retail-media/v2026-preview/docs/ccf956f-campaign1.png" />
</Frame>

### What to Know about Campaigns

* A campaign represents a marketing objective and contains *line items*
* Campaigns may hold line items across multiple brands and retailers
* Campaigns support optional budgeting and attribution controls
* Budgets may additionally be controlled at the line item level
* Several [reports](/retail-media/v2025.07/docs/demand-side-analytics-get-started) are available to measure campaign performance
* Accounts are limited to 100,000 active campaigns
* Supported campaign types depend on the buy type (e.g., Sponsored Products, Onsite Display)

***

## Quick Start Process

1. Create a campaign

2. Create a line item

3. Configure targeting, creatives, and bidding on the line item

4. Assign the campaign to an account balance

5. Activate your line item

## What's next

* [Onsite Display Campaigns](/retail-media/v2026-preview/docs/onsite-display-campaigns)
* [Sponsored Products Campaigns](/retail-media/v2026-preview/docs/sponsored-products-campaigns)