> For the complete documentation index, see [llms.txt](https://docs.mediarithmics.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mediarithmics.io/connectors/destinations/criteo/s2s.md).

# S2S

Set up Criteo retargeting from mediarithmics audiences, using cookies.

The Criteo Audience Feed S2S lets you set up retargeting campaigns with Criteo using audiences built in mediarithmics, sending cookies.

<table data-search="false"><thead><tr><th width="220">Connection</th><th></th></tr></thead><tbody><tr><td><strong>Type</strong></td><td>Server-side</td></tr><tr><td><strong>Category</strong></td><td><a href="/connectors/partner-types/dsp.md">DSP</a></td></tr><tr><td><strong>Identifiers sent</strong></td><td>Cookies</td></tr><tr><td><strong>Authentication</strong></td><td>Criteo partner ID shared with your account manager</td></tr></tbody></table>

## Description

### What you can do with this connector

* Retarget on Criteo with an audience computed in the CDP, matched on cookies.

### Which identifiers are sent

* **Cookies**

Criteo is reached by several connectors and they behave differently - [the comparison is on the Criteo page](/connectors/destinations/criteo.md).

## Connector setup

### Prerequisites

* Your **criteo\_partner\_id**, for cookie synchronisation, given to your account manager.

{% hint style="warning" %}
Cookie matching must be activated on your organisation. Contact your account manager to confirm.
{% endhint %}

### Setup steps

{% stepper %}
{% step %}
**Send your criteo\_partner\_id to your account manager.**
{% endstep %}

{% step %}
**Select the Criteo S2S connector and fill in its configuration.**

<table data-search="false"><thead><tr><th width="280">Field</th><th></th></tr></thead><tbody><tr><td><strong>Name</strong></td><td>Identifies the feed on the platform.</td></tr><tr><td><strong>Credential name</strong></td><td>Provided by your mediarithmics account manager.</td></tr></tbody></table>
{% endstep %}
{% endstepper %}

Creating and activating the feed on a segment is covered in the **Audience & Activation** section, under *Activate your audiences › Send your first-party data to a destination*.

## Good to know

{% hint style="warning" %}
Following CNIL guidance on cookies and trackers, make sure that:

1. the partner is correctly named when you collect user consent for targeting purposes, or the equivalent;
2. the partner is named in your cookie policy - these partners may drop a cookie on your users' browsers from your websites.
   {% endhint %}

## FAQ

#### Can I send emails through this connector?

No. S2S carries cookies only. Use [Criteo - Direct](/connectors/destinations/criteo/direct.md) for emails or mobile IDs.

## Partner documentation

Criteo documents its own platform at <https://help.criteo.com/kb/en>. Use it for anything that happens on the partner side of this connector: account setup, the fields the partner expects, and its own limits.


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