Sign up, API key, channel, POST — if you can copy-paste curl, you're dangerously close to done.
Download Trigv for iOS or Android. Sign in, join your workspace, and enable notifications on a channel (e.g. general).
In app.trigv.com, generate a workspace API key. Format: trgv_XXXXXXXX_…
Send JSON to /api/v1/events. We validate, deliver the push, and return a status record. Your phone shows the alert; we don't keep the message on our servers. History saves on your device.