i just get my mileage extract from Concur and happy daysSame for me. I use Teslamate(self hosted on a dedicated Pi) and recently started using Tessie. The data logging makes claiming business mileage expenses so much easier, as I can easily figure what drives in a particular time period where work trips and exactly how many miles to claim. I started using Tessie as Teslamate was going through some troubles with the original developer moving on and uncertainty about the new API.