---
layout: bidder
title: Roundel
description: Prebid Roundel Bidder Adapter
biddercode: roundel
aliasCode: ix
pbjs: true
pbs: true
userIds: identityLink, netId, fabrickId, zeotapIdPlus
pbs_app_supported: true
schain_supported: true
coppa_supported: true
tcfeu_supported: true
usp_supported: true
media_types: banner, video
gvl_id: 10
prebid_member: yes
sidebarType: 1
---

### Overview

Roundel is an aliased bidder for Index Exchange and must be configured alongside the [RampID](/dev-docs/modules/userid-submodules/ramp.html) user ID module.

### Bid Params

Bidder params for roundel follow the same structure as the Index Exchange bidder. Please reference configuration examples [here](/dev-docs/bidders/ix).