# Contacts API - Lists

> \[!WARNING]
>
> This covers the obsolete Legacy Marketing Campaigns API.

> \[!NOTE]
>
> For the most up-to-date information on SendGrid's Contact Lists API, please visit the [new Marketing Campaigns Lists API](/docs/sendgrid/api-reference/lists).

The Lists API allows you to manage your Marketing Campaigns contact lists. You can create, retrieve, update, and delete lists, as well as add and remove contacts from lists.