SAP Concur will be installing and activating new network infrastructure on Saturday, April 7, 2018. The maintenance will last approximately 10 hours from 12:00 p.m. to 10:00 p.m. PT (7:00 p.m. Saturday, April 7 to 5:00 a.m. Sunday, April 8 UTC).

During this time API calls via may be affected or not work.

For more information see the Infrastructure Upgrade Maintenance FAQ