a Sails application
Note There is no publically documented API to invite users to Slack teams. However, as per this blog post (https://levels.io/slack-typeform-auto-invite-sign-ups/) there is an API used by Slack:
users.admin.invite
Grats
There are several implementations of this same task on github. Grats to those who got there first.
#Running this Server
Generate a Slack API Token. Create apikey.js in the root directory and export an object with one property: token
with the value of your Slack Token.