As a developer, I find this an useful API to validate links of my CMS generated websites within my CI system. This way, using sync requests to my sites, I can easily await the results and fail the jenkins job or promote the deployment.<p>By the way, here the output on news.ycombinator.com: <a href="https://brokenlink.io/api/check?url=https://news.ycombinator.com&mode=async" rel="nofollow">https://brokenlink.io/api/check?url=https://news.ycombinator...</a>