> ## 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.

# Criteo API Swagger

Criteo has a live OpenAPI file with our API reference available to developers.

## How to download it

The file can be accessed on:

```http theme={null}
 https://api.criteo.com/{version}/{criteo-service}/open-api-specifications.json
```

Where:

* `{version}`: Any stable version starting from v2020-10 or higher without the "v" or non-stable Preview version.

* `{criteo-service}`:

  * **marketingsolutions** for our Marketing Solutions' endpoints
  * **retailmedia** for our Retail Media's endpoints
  * **api** for our oauth endpoint used by Marketing Solutions and Retail Media endpoints

<Check>
  **Check available versions**

  You can check all versions per service in the dropdown on the top of the page.
</Check>

For example, the URL below will download the specification for the Marketing Solution\`s v2021-04:

```http theme={null}
https://api.criteo.com/2021-04/marketingsolutions/open-api-specifications.json
```