The continuous flow of bid requests, responses, and metadata moving through programmatic infrastructure. Every page load triggers an auction: publisher signals, audience data, floor prices, and contextual cues all travel with the request. It is high volume, low latency, and carries more data than most buyers ever look at. The bid stream is also a surveillance layer. How that data gets used beyond the auction is a regulatory conversation that is not finished.
Ad tech glossary
Bid Stream
Technical definition
The flow of bid requests, responses, and associated metadata between publishers and advertisers in programmatic advertising.
The ADLINGO translation
Get the full Mega Glossary as a PDF
Nearly 200 ad tech terms, translated. Plus the ADLINGO newsletter to your inbox. Free.
Where this shows up
Guide: How Much Does Programmatic Really Cost?
Don't let fees and confusion burn a hole in your wallet. Like your morning coffee - it deserves a disproportionate amount of your time and attention.
🍿 The microwave popcorn of media
Bragging about agency programmatic capabilities is a flex as strong as bragging about how good you are at microwave popcorn.
