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Bidder Code welect Member no
Prebid.js Adapter yes Prebid Server Adapter no
Media Types video Multi Format Support will-bid-on-one
TCF-EU Support yes IAB GVL ID 282
GPP Support tcfeu DSA Support check with bidder
USP/CCPA Support no COPPA Support no
Supply Chain Support no Demand Chain Support no
Safeframes OK no Supports Deals check with bidder
Floors Module Support no First Party Data Support no
User IDs none ORTB Blocking Support no
Privacy Sandbox none


The Welect bidder adapter requires setup and approval from the Welect team. Please reach out to for more information.

Bid params

Name Description Example Type
placementId an identifier for your placement, provided by Welect 'exampleID' string
domain The domain of your placement '' string

Example Ad Unit Setup

var adUnits = [
    bidder: 'welect',
    params: {
      placementId: 'exampleId',
      domain: ''
    sizes: [[640, 360]],
    mediaTypes: {
      video: {
        context: 'instream'

"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_welect hb_bidder_welect hb_adid_welect
hb_size_welect hb_source_welect hb_format_welect
hb_cache_host_welect hb_cache_id_welect hb_uuid_welect
hb_cache_path_welect hb_deal_welect

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