What Slate texts you, and how to make it stop.
Slate can send you short text messages about your own dealings with us — a demo you asked for, a support request you opened, a notice when something on Slate affected you. Only if you ticked the box, only about that, and never anything promotional. This page is the whole program.
Facts checked 14 August 2026
Slate and a business that asked for a demo or opened a support request
What these texts are
If you asked for a demo on our website and ticked the box that says we may text you, Slate sends short messages about that and about anything you raise with us afterwards: confirming a demo time, reminding you the day before, telling you a support request was received or resolved, and telling you when something on Slate affected your booking page and when it was fixed.
Nothing promotional. No offers, no announcements, no “have you seen our new feature”. If that ever changes it will be a separate program with a separate, separately ticked box, and this page will say so before the first such message goes out.
Who is sending them
Calibrate Holdings LLC, a Florida limited liability company, trading as Slate. When Slate texts you, the message comes from one US number registered to Slate, and the company that carries it is named, with exactly what it can see, on our subprocessors page.
How you opted in
By ticking an unticked box on the demo request form at slate-booking.com, next to wording that named Slate, said what the messages are, said how often, said that message and data rates may apply, and linked here. Leaving the box empty changes nothing about your demo. We keep the date and time you ticked it, which form it was on, the number you gave, and the exact wording you saw.
Nobody is added by default, and nobody is added because they signed up for Slate, booked something through a business on Slate, or emailed us. The box is the only way in.
How often
It depends on what you have going on with us. A demo produces two or three messages. A support request produces one when it arrives and one when it is resolved. Service notices are rare. Fewer than ten a month, and in most months none at all.
What it costs
Slate charges nothing for them. Message and data rates may apply from your own carrier, depending on your plan.
How to stop
Reply STOP to any message and they stop. That takes effect immediately at the carrier, before Slate even sees it, and Slate records it against your contact so nothing here sends to you again. You will get one final message confirming you are unsubscribed. Reply START if you change your mind.
Replying STOP does not cancel a demo or close a support request. It only stops the texts; email carries on as before.
How to get help
Reply HELP to any message and you get a short reply naming Slate and how to reach a person. Or email support@slate-booking.com, which is read by a person and does not pass through Slate.
Carriers
Carriers are not liable for delayed or undelivered messages. Neither, in practice, are we: if a text does not arrive, the email you gave us is the record, and your demo or support request stands regardless.
Changes
When this page changes, the date at the top changes with it. If a change would mean sending you a kind of message you did not tick a box for, you will be asked again first.
How to reach us
One address, read by a person. It does not run through Slate.