# Advertisers

An Advertiser is a company that runs a campaign.
You can use the Advertiser APIs to resolve the `advertiser_id` on a Creative to a human-readable name.

 - [GET /advertisers](https://developers.vistarmedia.com/apis/media-owner/advertisers/ssp_listadvertisers.md): List all Advertisers
 - [GET /advertisers/{id}](https://developers.vistarmedia.com/apis/media-owner/advertisers/ssp_getadvertiser.md): Get an Advertiser by ID