As per https://lists.wikimedia.org/pipermail/services/2016-May/000052.html
Service-template-node v0.3.2~[1] has been released. This is an important
update for all services that contact the MW Action API or RESTBase, as it
brings a unified way of dealing with such requests. To make requests
against the MW API use apiUtil.mwApiGet() (from lib/api-utils.js), while
for RESTBase there is apiUtil.restApiGet().
Additionally, as per https://lists.wikimedia.org/pipermail/services/2016-July/000067.html:
service-template-node v0.4.0 has just been released~[1]. The new version
represents an important security and feature upgrade from v0.3.2 and you
are urged to update as soon as possible~[2].