Subscribe to the Events API

Imagine a mild-mannered onboarding app — it’s instructive, interactive and reactive, and in this case it is built on Slack. If you watch the GIF below you can find just that! An onboarding app that updates its training message after the user completes each step of onboarding. Here’s the hitch: this app isn’t built with the RTM API, and it isn’t polling Slack for updates — it’s built with something

[bopperjp]

RTM APIがtoo much な人向けのHTTPのイベントAPIが追加された。リトライの仕様とか参考になる。