Disclaimer: This is NOT the Blink approved SmartApp, but that one isn’t free which is why I created my own. Blink hasn’t made their API specs public so I was unable to implement a lot of the features that are in the paid version.
The original FAQ information in this thread refers to the original smartthings architecture, which was in place through the end of 2022 and a little beyond. Custom code was written in the groovy programming language and ran in the smartthings cloud.
As of May 2023, you can no longer add new Groovy DTH‘s or smartapps to your smartthings account. So if you came here because of a link in an old forum thread, or on another site, I’m afraid the Groovy information is no longer usable.
All of this was replaced by a new architecture. Cloud to cloud integrations use the smartthings API. Hub connected devices, mostly Zigbee and zwave, now use “Edge Drivers,” written in the LUA programming language. Here’s the official announcement on those:
The process for using a custom Edge Driver in the new …