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Bidder Code welect Member no
Media Types video GDPR TCF Support no
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_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


The Welect adapter requires setup and approval from the Welect team, even for partners that already work with us. Please reach out to our team at

Bid params

Name Scope Description Example Type
placementId required Your personal id which will be given to you by the Welect team. 'aliasexample' string
domain optional Not mandatory but recommended. Our Team will provide you with a domain, if not given defaults to '' string


var adUnits = [
        code: 'test-welect-instream',
        sizes: [[640, 360]],
        mediaTypes: {
            video: {
                context: 'instream'
        bids: [
                bidder: 'welect',
                params: {
                    placementId: 'examplePlacement',
                    domain: '',

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