# Campaigns API

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

> \[!NOTE]
>
> For the most up-to-date information on the Sender Identities API, please visit the [new Marketing Campaigns Single Sends API](/docs/sendgrid/api-reference/single-sends).

The Campaigns API allows you to create and manage marketing campaigns. You can create campaigns, manage campaign content, and schedule campaigns to be sent at a later time.