---
title: "POST /v2beta1/accounts/{accountId}/proposals/{proposalId}:cancelNegotiation"
method: POST
path: "/v2beta1/accounts/{accountId}/proposals/{proposalId}:cancelNegotiation"
tags: ["accounts"]
---

# POST /v2beta1/accounts/{accountId}/proposals/{proposalId}:cancelNegotiation

`POST /v2beta1/accounts/{accountId}/proposals/{proposalId}:cancelNegotiation`

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.

## Path parameters

- `accountId` string, required
- `proposalId` string, required

## Request body

- CancelNegotiationRequest — Request to cancel an ongoing negotiation.

## Response `200`

Successful response

---

[API](https://skmtc.net/google/apis/adexchangebuyer2.md) · [All operations](https://skmtc.net/google/apis/adexchangebuyer2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/google/adexchangebuyer2/revisions/ec45fdc03096/schema)