Buyers and their clients can use the Authorized Buyers Marketplace UI to view
and negotiate proposals. A client’s access to features in the Authorized
Buyers Marketplace UI depends on the client's
Only buyers can use the Martketplace API.
buyer field is populated in a
Proposal, then the publisher is
negotiating directly with you. If
client is populated, then the publisher is
negotiating with one of your clients. You can negotiate on behalf of your
buyer account, or any
Client associated with your account.