We updated our last url today in app settings. We are receiving 403 error.
Response header:
{date=[Mon, 24 Sep 2018 13:03:01 GMT], null=[HTTP/1.1 403 Forbidden], server=[tsa_k], content-length=[203], x-ua-compatible=[IE=edge,chrome=1], expires=[Tue, 31 Mar 1981 05:00:00 GMT], x-response-time=[178], x-frame-options=[SAMEORIGIN], x-transaction=[00648e15002e4ed3], strict-transport-security=[max-age=631138519], pragma=[no-cache], set-cookie=[guest_id=v1%3A153779418177712780; Expires=Wed, 23 Sep 2020 13:03:01 GMT; Path=/; Domain=.twitter.com, personalization_id="""“v1_urhpx8fQfp1tpZi1Ivgnng==”"""; Expires=Wed, 23 Sep 2020 13:03:01 GMT; Path=/; Domain=.twitter.com], last-modified=[Mon, 24 Sep 2018 13:03:01 GMT], x-xss-protection=[1; mode=block; report=https://twitter.com/i/xss_report], x-content-type-options=[nosniff], x-connection-hash=[96c52c87caa5d7dd5b9e35c4d58f3f10], x-twitter-response-tags=[BouncerCompliant], content-type=[application/xml;charset=utf-8], cache-control=[no-cache, no-store, must-revalidate, pre-check=0, post-check=0], status=[403 Forbidden], ml=[S]}"