# Bidders

A Bidder is a DSP where a campaign originated.

You can use the Bidder APIs to resolve the `bidder_id` on a Creative to a human-readable name.


## List Bidders

 - [GET /bidders](https://developers.vistarmedia.com/ssp/ssp/bidders/ssp_listbidders.md): List all Bidders

## Get Bidder by ID

 - [GET /bidders/{id}](https://developers.vistarmedia.com/ssp/ssp/bidders/ssp_getbidder.md): Get a Bidder by ID