alertible.com
Easy message-to-mobile (m2m) service

Incoming:
IP: 216.73.216.203, Host: 216.73.216.203

Usage
OPT-IN: ../api/opt-in/start?to=<phone-number>
OPT-IN: ../api/opt-in/verify?to=<mobile-phone-number>&key=<keycode>

OPT-OUT: ../api/opt-out/start?to=<phone-number>
OPT-OUT: ../api/opt-out/verify?to=<mobile-phone-number>&key=<keycode>

SEND: ../api/send/?to=<number>&message=<message>&title=<title>