UserAlertX (User Alerts)

Text yourself from your bot - legally, on a registered number, with no way to spam anyone else.

UserAlertX is a narrow, high-trust SMS product: you sign up, verify your own mobile number, and that number is the only place it will ever text. There's no directory, no bulk list, no marketing blast, and no ability to message anyone but you.

Built for people who already run automations - webhooks, scheduled agents, AI tool hooks - and want a reliable "tap me on the shoulder" text when something happens: a price alert, a bot finishing a long job, a monitoring tripwire, a failed deploy.

Get started

How it works

1. Enter your email and your phone number.
2. We hold your first message and email you a link to confirm your account.
3. Click the link - your phone gets a one-time text: reply Y to approve alerts to this phone (N to stop any time, P to pause, S if a text was ever spam, HELP for help).
4. Once you reply Y, your first message goes out and your automations can text you from then on.

Free for your first 50 texts. After that we'll email you a billing link - nothing stops working until you've had a chance to set it up.

For developers / AI agents

Once you're set up, send a message with a simple HTTP request:

POST /cgi-bin/itsignup.cgi
  [email protected]
  to=6125551234
  from=8883861258
  body=your automation finished

The first request for a new email holds the message and starts the confirm-by-email / opt-in-by-text flow above. Once your number is confirmed and subscribed, further requests send immediately.