> ## 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.

# Welcome to Criteo

The Criteo API empowers developers to programmatically build on the world’s largest advertising network. We have two lines of products: Marketing Solutions API and Retail Media API.

With the API, you can unlock the power of Criteo’s industry-leading innovations. Leverage Criteo's powerful targeting solutions to create flexible apps customized to your needs, then automate and scale them.

 

## Common use cases for Marketing Solutions API

* **[Build custom reports](/marketing-solutions/v2023.07/docs/analytics):** Get granular insights into campaigns, with the ability to compare performance across 100+ metrics

* **Automated campaign management:** Retrieve and update [ad sets](/marketing-solutions/v2023.07/docs/campaigns)

* **Create and update[audiences](/marketing-solutions/v2023.07/docs/audiences):** Easily create and manage specific audience segments, using your own CRM or data from your CDP, DMP, and other sources

* **Automated creative management:** Setup and manage creatives and ads

For advertisers managing large, complex, or many accounts, the Criteo API can help by providing fine-tuned controls, customization, and automation capabilities.

Through the API, you can also integrate Criteo campaigns with your internal or third-party tools.