没有这样的直接 api 来获取迭代中剩余的天数.您需要使用下面的 api 获取迭代的团队设置，以在teamSettings"中获取startDate"、finishDate"、workingDays"并计算迭代中剩余的天数:

There is no such direct api to get the days remaining in the iteration. You need to get the team setting for an iteration with api below, to get "startDate", "finishDate", "workingDays" in "teamSettings" and calculate the days remaining in the iteration:

GET https://{instance}/DefaultCollection/{project}/{team}/_apis/work/TeamSettings/Iterations/{iterationId}?api-version={version}