You may also want to check out the sibling project https://github.com/google/openrtb-doubleclick https://github.com/google/openrtb-doubleclick (relevant for Adx

You may also want to check out the sibling project https://github.com/google/openrtb-doubleclick https://github.com/google/openrtb-doubleclick (relevant for Adx bidders, using OpenRTB or not).