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Bidder Code c1x Member no
Media Types display GDPR TCF Support yes
User IDs none USP/CCPA Support no
Supply Chain Support no COPPA Support no
Demand Chain Support no Safeframes OK check with bidder
Supports Deals check with bidder Prebid.js Adapter yes
IAB GVL ID check with bidder Prebid Server Adapter no
Floors Module Support no First Party Data Support check with bidder

"Send All Bids" Ad Server Keys

These are the bidder-specific keys that would be targeted within GAM in a Send-All-Bids scenario. GAM truncates keys to 20 characters.
hb_pb_c1x hb_bidder_c1x hb_adid_c1x
hb_size_c1x hb_source_c1x hb_format_c1x
hb_cache_host_c1x hb_cache_id_c1x hb_uuid_c1x
hb_cache_path_c1x hb_deal_c1x


The C1X Header Bidding adaptor requires approval from the C1X team. Please reach out to for more information.

Bid params

Name Scope Description Example Type
siteId required Site ID from which the request is originating '999' string
pixelId optional Publisher’s pixel ID '12345' string
floorPriceMap optional Minimum floor prices needed from the DSP’s to enter the auction {"300x250": 4.00,"300x600": 3.00} object
dspid optional DSP ID '4321' string
pageurl optional Url of the webpage where the request is originating from '4321' string

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