With Microservices now being all the rage, applications consuming Xero APIs need to be able to deal with their availability/non-availability. A "health-check" similar to the Java Microprofile Health service (see https://github.com/eclipse/microprofile-health) would support to enabling/disablng functionality related to Xero APIs based on the result these "health-checks". As a result user interfaces could enable or suppress functionality that requires the use of Xero APIs depending on these health-checks.