ntfy

ntfy (pronounce: notify) is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, entirely without signup, cost or setup. It’s also open source if you want to run your own. Visit ntfy.sh for more details.

{ntfy} is a lightweight R wrapper for this service. The magic sauce is just POST and GET calls equivalent to

curl -d "Process Complete