Cancel an ongoing negotiation on a proposal. This does not cancel or end serving for the deals if the proposal has been finalized, but only cancels a negotiation unilaterally.
HTTP request
POST https://adexchangebuyer.googleapis.com/v2beta1/accounts/{accountId}/proposals/{proposalId}:cancelNegotiation
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["Cancel an ongoing negotiation on a proposal without impacting finalized deals."],["Requires sending an empty POST request to the specific endpoint with account and proposal IDs."],["Upon successful cancellation, the API returns the updated Proposal object."],["This functionality necessitates the `https://www.googleapis.com/auth/adexchange.buyer` OAuth scope for authorization."]]],[]]