OptionalbriefNatural language description of campaign requirements. When refining a proposal, can include instructions like 'focus more on German speakers' or 'increase mobile allocation'.
Optionalproposal_Optional proposal ID to refine. When provided with a brief, the publisher will use the brief as refinement instructions for the specified proposal and return an updated version.
Optionalbrand_Optionalaccount_Account context for product lookup. When provided, returns products with pricing specific to this account's rate card. Optional if the agent has a single account.
OptionalfiltersOptionalproperty_OptionalcontextOptionalext
Request parameters for discovering available advertising products