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SMS Opt-In & Message Flow

Carina, by SoCal Decals · Last updated August 3, 2026

SoCal Decals is a California software studio in Arcadia, California. We build and operate Carina (carina.socaldecals.studio), our own appointment-booking app for independent service professionals — barbers, hair stylists, nail technicians, massage therapists, house cleaners, and similar small businesses.

SoCal Decals is the direct sender of every message described on this page. Carina is our own first-party product. We are not sending on behalf of another business, and we do not register or send on behalf of third parties.

Every message we send is transactional and tied to one specific appointment the recipient either made or received. There is no marketing, no promotional content, no lending or loan content, and no third-party or affiliate content.

Who receives messages

  • Customers who book an appointment — they receive a reminder about 24 hours before the appointment, a reminder about 2 hours before, and a notice if the professional has to cancel.
  • Service professionals who create a Carina account — they receive a text when a customer books or requests an appointment with them, so they can respond.

Both groups give consent the same way: by entering their own mobile number into a form in Carina and confirming that number with a one-time passcode we text to it. Nobody is ever added by import, by purchase, or by a third party. There is no list, and no number is ever messaged that did not type itself into one of the two forms below and then prove control of the phone.

How to see the opt-in, step by step

Both opt-in forms are on the public internet and neither is behind a login, a paywall, or an invitation. The exact URLs and steps are below, with screenshots of the screens themselves.

1 · Customer opt-in — booking an appointment

https://carina.socaldecals.studio/p/lucy

  1. Open the professional's public booking page at the URL above. No account and no login is required to reach it.
  2. Choose a service (for example, "60-min massage").
  3. Choose a day, then choose an available time.
  4. A booking form opens asking for Your name and Your phone number.
  5. The consent disclosure is displayed directly beneath the phone number field, before the customer submits anything. It is shown to every customer, on every booking, and it is not collapsed, hidden behind a link, or scrolled out of view.
  6. The customer taps Continue, we text a one-time passcode to the number they entered, and they type that code back in. The booking is not created, and no further message is ever sent, until that code is entered correctly — so a number can only be enrolled by someone physically holding that phone.
Shown at the point of opt-in, verbatim

"By continuing, you agree to receive appointment text messages from Carina at this number. Message frequency varies by your bookings. Msg & data rates may apply. Reply STOP to opt out, HELP for help."

2 · Professional opt-in — creating an account

https://carina.socaldecals.studio/auth/phone

  1. Open the sign-up page at the URL above. It is publicly reachable and requires no existing account.
  2. Enter your own mobile number.
  3. The consent disclosure is displayed directly beneath the "Send code" button, before anything is submitted, together with links to our Terms of Service and Privacy Policy.
  4. Tap Send code, then enter the one-time passcode we text to that number. The account is not created until the code is entered correctly.
Shown at the point of opt-in, verbatim

"By continuing, you agree to receive appointment text messages from Carina at this number. Message frequency varies by your bookings. Msg & data rates may apply. Reply STOP to opt out, HELP for help."

Screenshot of the Carina professional sign-up screen at carina.socaldecals.studio/auth/phone, showing the mobile number field, the Send code button, and the SMS consent disclosure directly beneath it with Terms and Privacy links.
Professional sign-up — carina.socaldecals.studio/auth/phone. The consent disclosure sits under the Send code button.
Screenshot of the Carina customer booking form, showing the service and appointment time, the Your name field, the phone number field, and the SMS consent disclosure directly beneath the phone number field.
Customer booking — the consent disclosure sits under the phone number field, before the booking is submitted.

What we send

These are the only messages Carina sends. Each is triggered by one specific appointment.

ToMessage
CustomerReminder: Haircut with Lucy on Fri, Jul 31, 2:00 PM. Reply STOP to opt out.
CustomerReminder: Haircut with Lucy today at 2:00 PM. Reply STOP to opt out.
CustomerLucy had to cancel your Haircut on Fri, Jul 31, 2:00 PM. Sorry for the inconvenience - please rebook a new time. Reply STOP to opt out.
ProfessionalNew booking 🎉 Maria booked Haircut · Fri Jul 31, 2:00 PM. Open Carina to view. Reply STOP to opt out.
ProfessionalNew booking request 🗓️ Maria asked to book Haircut · Fri Jul 31, 2:00 PM. Tap to approve. Open Carina to view. Reply STOP to opt out.

Frequency, rates, and opting out

Message frequency depends on the recipient's own booking activity — typically a few messages per appointment. Volume is low.

Message and data rates may apply.

To opt out, reply STOP to any message. Every message we send ends with "Reply STOP to opt out." Opting out stops appointment texts immediately; the recipient can still use the Carina app.

For help, reply HELP to any message, or email hello@socaldecals.studio.

Consent is never shared or sold. Mobile information is not shared with third parties or affiliates for marketing or promotional purposes. See our Privacy Policy and Terms of Service for the full statements.

Contact

Questions about our messaging program? Email hello@socaldecals.studio, or write to SoCal Decals, Arcadia, California, USA.