# Simbrief XML file **URL:** \ **Category:** General\ **Created:** [March 3, 2026, 8:38pm UTC](https://forum.navigraph.com/t/simbrief-xml-file/22801 "2026-03-03T20:38:23Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![SimBrief](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/simbrief/32/4850_2.png) [@SimBrief](https://forum.navigraph.com/u/SimBrief)\ **Post date:** [March 4, 2026, 1:42pm UTC](https://forum.navigraph.com/t/simbrief-xml-file/22801/2 "2026-03-04T13:42:08Z")
Hi, this data is no longer available in v1 of the API. The developer will need to move to a newer version of the API, which requires them to implement the [Navigraph Authentication flow](https://developers.navigraph.com/docs/authentication/overview). If this is something they are interested in, they should reach out to [dev@navigraph.com](mailto:dev@navigraph.com) for further guidance! Best regards, --- _[View the full topic](https://forum.navigraph.com/t/simbrief-xml-file/22801)._