Welcome to Marketplace Demand


This portal is for Demand Side Partners (DSPs) who are integrating as an RTB Bidder via Fyber Marketplace. In addition to this page, DSPs should refer to the following document: IAB OpenRTB API Specification Version 2.5.

Information to Note

It is important to take note of the following information.

Data Center Location

Fyber's data center is located in Virginia (US-East in AWS). Please notify your Fyber POC of your DC's location.


The timeout for responding with an ad is 350ms.

OpenRTB Version

Fyber supports OpenRTB 2.5.

Impression Counting

Fyber counts display impressions once when at least one pixel is visible to the user on the screen, and per MRAID 2.0 specifications, when relevant. Fyber counts video impressions when the video ad begins to play and is shown to the user according to the standard VAST 2.0 protocol.

Back to Top ⇧