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Prebid.org

Independent organisation that maintains Prebid, the open-source header-bidding software used across the web.

New York, USA · founded 2017 · prebid.org

What Prebid.org does

Prebid.org looks after Prebid, free open-source code that publishers use to run header bidding auctions, letting many SSPs compete for each impression. Prebid.js started at AppNexus in 2015 and moved to an independent organisation in 2017.

Its members include SSPs, publishers and DSPs, and it also maintains Prebid Server and Prebid Mobile.

How it makes money

Funded by membership dues from companies in the ad industry.

Where it meets invalid traffic

Provides modules that let publishers plug in brand-safety and fraud-detection vendors directly into the auction.

Products

  • Prebid.js
  • Prebid Server
  • Prebid Mobile
  • SharedID