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SMS review requests: texting laws for business in plain English

Yes, you can text your own customers review requests. The US texting rules in plain English, what Reviewflowz handles, and what stays with you.

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Written by Axel Lavergne

Yes, you can text your own customers to ask for a review. The rules come down to three things: get consent before you send, make opting out easy, and text at reasonable hours. Reviewflowz handles the sending infrastructure, and a few obligations stay with you: this article spells out which is which. Nothing changed recently that makes texting your customers illegal.

The rules for texting customers in the US

Consent comes first. Marketing texts require prior express written consent, and transactional texts require prior express consent, which a customer can give just by providing their number during a booking or a purchase. Whether a review request counts as marketing or transactional is legally unsettled, so don't gamble on the lighter standard: you're texting your own customer after a transaction, and the safe practice is to collect consent at the moment you take their number. And if you've read about a new consent rule taking effect, you can relax: it was struck down before it ever applied.

Here's what actually changed recently: opt-outs, not consent. Since April 2025 a customer can revoke consent in any reasonable way, not just by replying STOP, and you have 10 business days to honor it. Since April 2026 an opt-out on one channel covers your other channels too, so a customer who unsubscribes from your emails is also off your texting list. Nothing switched to opt-out by default: consent was always required first, and what changed is how opt-outs must be honored.

Quiet hours apply. No texts before 8am or after 9pm in the recipient's local time, and several states layer stricter texting laws of their own on top of the federal rules.

Breaking the rules is expensive: $500 to $1,500 per message, with a private right of action and no cap.

There's also a carrier layer, separate from the law. Business texting in the US requires a registered sender identity (a brand and campaign registration with the carriers), and unregistered traffic gets filtered or blocked before it reaches a phone. This is the part your platform owns, which is where Reviewflowz comes in.

Read more: Is it legal to ask for reviews? covers the rules for every other channel.

What Reviewflowz handles

Your account sends from its own dedicated local phone number, registered with carriers under your business identity through that brand and campaign registration. The number is yours alone, not shared with other businesses, and it stays tied to your account permanently.

Recipients can reply. Delivered messages include opt-out instructions, and a STOP reply gets an automatic confirmation. A reply of STOP, STOPALL, UNSUBSCRIBE, CANCEL, END, or QUIT is recorded as an opt-out on the contact. That opt-out is permanent: nothing in Reviewflowz re-subscribes a contact, and opted-out contacts are excluded from automated review request flows.

Each contact receives at most one text per campaign. There are no reminder texts and no follow-up texts, by design: a review request is a favor you ask once, not a drip sequence.

Every reply that isn't one of those keywords or a HELP request is forwarded to you by email and by in-app notification, so a customer who writes back reaches you, not a void. That forwarding matters, because it's how you catch the opt-outs the keywords miss (more on that below).

Sent messages are logged with a timestamp, a delivery status, and a provider message ID, so there's a record of what went out and when.

If you send outside the US

This article covers US rules. In the EU, your account sends under your brand name (an alphanumeric sender ID) instead of a phone number, and those messages are one-way: recipients can't reply to them. Different rules apply there, so check the requirements for your country before you launch a campaign.

What you do

Three obligations stay on your side. None of them is hard, but all three are yours.

Collect consent when you take the phone number

The moment a customer hands you their number (at booking, at intake, at checkout) is the moment to collect consent, because that's when texting them is a natural part of the service. Add one line to your intake or booking form and you're set. Here's a short version for a checkbox:

I agree to receive service-related text messages from [Business name], including review requests. Message and data rates may apply. Reply STOP to opt out. Consent is not a condition of purchase.

And a longer version for your terms or booking confirmation page:

By providing your phone number, you agree that [Business name] may send you text messages related to your visit, including requests to review your experience. Message and data rates may apply, and message frequency varies. You can opt out at any time by replying STOP. Consent is not a condition of any purchase.

Replace [Business name] with your business name, keep a copy of the form your customer saw, and note when they agreed. If a dispute ever comes up, that record is your answer.

Act on opt-outs that arrive outside STOP replies

The keyword replies are handled for you. Everything else is on you, because the law counts any reasonable request as an opt-out. A customer who replies "no more texts please" hasn't used a keyword, so that reply doesn't trigger the automatic opt-out: it lands in your email and your notifications instead. When a reply asks you to stop, remove that contact from texting.

The same goes for the customer who asks by phone, by email, or across the counter: each of those counts as an opt-out too, and honoring it is your job, not the platform's.

Send at reasonable hours and say who you are

Time your campaigns inside the 8am to 9pm window where your customers live. Reviewflowz doesn't hold messages for quiet hours, so the timing call is yours: if your customers sit in several time zones, schedule for the overlap that keeps every recipient inside the window.

And identify yourself in the message. Your text arrives from a phone number, not from your name, so type your business name into the body of the message. A customer who can't tell who's texting them has no reason to leave you a review, and every reason to reply STOP.

This article is general information, not legal advice: consult a lawyer for your situation.

Read more: Google review policy: the myths everyone repeats, debunked with Google's own words covers the platform-policy side of asking for reviews.

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