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Evan Knox
Cofounder, Homegrown
Marketing

SMS Compliance Basics: What You Legally Need Before You Text Customers

Texting your customers is one of the most effective things a food vendor can do, since a "fresh sourdough just came out of the oven" message gets read in minutes. But sending marketing texts without following the rules can expose you to real legal penalties, and the fines are per message, not per campaign. The good news is the rules are learnable and mostly common sense: get permission first, identify yourself, and let people opt out. This guide covers the SMS compliance basics you legally need before you text customers, so you can use texting confidently instead of nervously.

The short version: Before you send marketing texts, federal law (the TCPA) requires prior express written consent from each customer, meaning a clear, documented opt-in. You can't make that consent a condition of buying from you. Every marketing text has to identify your business and tell people how to opt out, and you must honor a "STOP" or other opt-out within ten business days. Transactional messages like an order confirmation are treated differently from promotional blasts. Violations can cost $500 per text, so use a proper texting platform and keep your consent records.

This guide covers whether texting needs compliance, the consent rule, marketing versus transactional messages, what a compliant program includes, penalties, timing, and how to stay compliant. This is general information for food vendors, not legal advice, so consult a qualified professional for your specific situation.

Does Texting Your Customers Really Need Legal Compliance?

Yes. Marketing text messages are regulated under a federal law called the Telephone Consumer Protection Act, or TCPA, which treats a text message the same as a phone call for consent purposes. If you send promotional texts to customers, these rules apply to you, even as a tiny operation.

Here's what that means at a high level:

  • The TCPA governs marketing texts, and regulators have confirmed that a text sent with automated systems counts as a "call" subject to the law.
  • It applies to small businesses, not just big companies. There's no exemption for being a one-person food vendor.
  • The rules center on consent and opt-out, so the core of compliance is getting permission before you text and letting people stop the texts easily.

The takeaway: if you're sending promotional texts, you're operating under real federal rules, and treating them casually is a genuine legal risk. The rest of this guide breaks down what those rules actually require, starting with consent. If texting is part of your plan, the guide on text message marketing for food vendors covers the strategy side.

What Consent Do You Need Before Texting Customers?

You need prior express written consent before sending any marketing or promotional text, which means a clear, documented opt-in where the customer agrees to receive automated marketing messages from you. A casual "sure, text me" isn't enough for promotional texts, and buried or pre-checked consent doesn't count.

What valid written consent looks like:

  • A clear, affirmative opt-in. The customer actively agrees, for example by checking an unchecked box or texting a keyword to join, with a disclosure that they're signing up for marketing texts.
  • It can't be required to buy. You cannot make agreeing to marketing texts a condition of purchasing your products. The federal rule is explicit that consent to marketing messages can't be a condition of a sale, as spelled out in the TCPA rules on the Cornell Law School site.
  • You keep the record. Document who opted in and when, so you can show consent if it's ever questioned.

The crisp rule: get a clear, written yes before any marketing text, keep proof of it, and never force it as a condition of a sale. Consent is the foundation everything else rests on, so if you can't show a customer opted in, you shouldn't be texting them promotions.

What's the Difference Between a Marketing Text and a Transactional One?

A marketing text promotes your products or encourages a purchase, while a transactional text simply gives a customer information about something they already did, like an order confirmation, and the two are treated very differently. Marketing texts need the written consent above, but purely transactional messages to someone who ordered are generally not the same kind of promotional message.

How to tell them apart:

  • Marketing or promotional: "Fresh cinnamon rolls this Saturday, order now" or "New flavor just dropped." These encourage a purchase and require consent.
  • Transactional: "Your order #114 is confirmed for Saturday pickup at 10am." This just informs a customer about their own order.
  • When in doubt, treat it as marketing. If a message mixes an order update with a promotion, the promotional part pulls it under the marketing rules.

The distinction matters because it defines which messages need the full consent process. An order confirmation message to a customer who just ordered is a normal part of doing business, while a promotional blast to your whole list is what the consent rules are built around. The rule: keep transactional and marketing messages clearly separate, and hold marketing texts to the written-consent standard.

What Has to Be in a Compliant Texting Program?

A compliant marketing text program clearly identifies your business, includes opt-out instructions, and honors opt-outs promptly. Beyond getting consent, each message and the program around it has to meet a few standard requirements.

The essentials of a compliant program:

  • Identify your business in your messages so people know who's texting them.
  • Include opt-out instructions, typically "reply STOP to unsubscribe," and make them clear.
  • Honor opt-outs fast. When someone texts STOP, quit, cancel, unsubscribe, or a similar word, that's a valid request to stop, and you must honor it within ten business days, though doing it immediately is better.
  • Disclose the basics at opt-in, like what kind of messages they'll get, roughly how often, and that message rates may apply.
  • Send a final confirmation when someone opts out, then stop texting them.

Most of this is handled automatically if you use a real SMS platform built for compliance, which manages opt-outs and keeps records for you. The takeaway: identify yourself, make stopping easy, and honor STOP quickly, and a compliant program becomes routine rather than a legal minefield.

What Happens If You Don't Comply?

Non-compliance is expensive, because the TCPA lets individuals sue for $500 per violating text, rising to $1,500 per text for willful or knowing violations. Since that's per message, a single non-compliant blast to a few hundred people can add up to serious money.

What the penalties look like:

  • $500 per text for a standard violation, with no need for the recipient to prove they were harmed.
  • Up to $1,500 per text for willful or knowing violations, which triples the exposure.
  • It scales with your list. Because it's per message, the risk grows with every recipient, so one bad send to a big list is a big liability.

These figures come from the statute itself, available through the official U.S. Code text on the government's govinfo site. The rule to remember: the penalties are per text and don't require proof of harm, which is exactly why getting consent and honoring opt-outs isn't optional. The cost of doing it right is a few minutes of setup, and the cost of doing it wrong is measured per message.

Are There Rules About When You Can Text?

Yes, there are timing rules: federal rules restrict solicitations to between 8 a.m. and 9 p.m. in the recipient's local time, and some states impose their own, often stricter, texting hours. Sending a promotional blast at 11 p.m. isn't just annoying, it can be a violation.

What to keep in mind on timing:

  • Stick to 8 a.m. to 9 p.m. in the customer's local time zone as the baseline window for promotional messages.
  • Check your state and your customers' states, since some set narrower windows, and the location that matters is where the customer is.
  • Respect the spirit, not just the letter. Even within legal hours, texting people at dinner or early morning hurts your brand and prompts opt-outs.

The rule: keep promotional texts inside the 8 a.m. to 9 p.m. window at minimum, and check whether your state is stricter. Good timing is both a compliance issue and a courtesy, and the guide on the best time to send a text blast covers when your messages actually perform best.

How Does a Small Food Vendor Stay Compliant?

You stay compliant by using a proper SMS platform, building your list only from clear opt-ins, and keeping records of consent. You don't have to become a lawyer, you just have to set the program up correctly and let good tools handle the mechanics.

A practical compliance checklist:

  • Use a real texting platform built for business SMS, which automates opt-out handling, adds required disclosures, and keeps consent records.
  • Grow your list from explicit opt-ins only, never by importing contacts who didn't agree to marketing texts.
  • Keep proof of consent for every subscriber, including when and how they opted in.
  • Always include a STOP option and honor it promptly.
  • Separate transactional from marketing so order updates and promotions are handled appropriately.

The way you build the list is where most vendors either stay clean or get into trouble. Grow it in the open: put a clear "text me when the next batch drops, reply YES to join" invitation on your booth sign, your storefront, or your receipts, so every number on your list got there by choosing to. Never scrape phone numbers from order forms, social media, or a friend's contacts and start texting them, since those people never opted in to marketing and that's exactly the kind of list that draws complaints. The same permission-first habit that protects you legally also gives you a list that actually wants to hear from you, which is the customer list you build from opt-ins that every retention channel depends on.

The crisp version: the right platform plus a clean, opt-in-only list plus good records is 90 percent of compliance. The takeaway: treat consent as the price of entry, use tools that do the heavy lifting, and texting becomes a safe, high-performing channel instead of a liability. This is general guidance, so check with a professional for your specific setup.

Order Updates Are Fine; Marketing Blasts Need Consent

The line that trips vendors up is the one between messaging a customer about their order and blasting your whole list with a promotion, and it's worth building your setup around that line. Homegrown is a $10-per-month online storefront, with no percentage fees beyond standard payment processing, where customers order and get order-related communications as part of the normal flow, so the transactional side of staying in touch is handled without you managing a marketing-consent process for it.

That matters because it lets you keep the two clearly separated. Your order confirmations and pickup reminders are a routine part of the transaction, while any promotional texting you do lives in a dedicated, consent-based SMS tool built for it. Compare that to blurring everything together in one uncontrolled phone-contacts list, where a promotional blast to people who only ever placed an order is exactly the kind of message that creates TCPA exposure.

To be clear about what Homegrown does not do: it is not an SMS marketing platform, it won't send your promotional text blasts, and it does not manage TCPA consent or opt-outs for marketing campaigns. For that, you use a dedicated compliant texting service. What Homegrown gives you is a clean storefront where the transactional customer communication happens as part of the order, so marketing is the only place you need the full consent process. If you want a solid foundation for your customer relationships, set up your Homegrown storefront, and keep your promotional texting in a tool built to keep it compliant.

Frequently Asked Questions

Do I need consent to text my customers?

For marketing or promotional texts, yes. Federal law requires prior express written consent, meaning a clear, documented opt-in, before you send promotional messages. A purely transactional message, like confirming an order someone just placed, is treated differently. But any text that promotes your products or encourages a purchase needs that written consent first, even from customers who have bought from you before.

What is the TCPA?

The TCPA is the Telephone Consumer Protection Act, a federal law that regulates marketing calls and texts. Regulators treat a text message sent with automated systems as a "call" under the law, so the TCPA's consent and opt-out rules apply to promotional texting. It's the main law you're complying with when you build a text-marketing program, and it applies to small businesses, not just large ones.

Can I text people who have bought from me before?

Not automatically for marketing. A past purchase alone isn't the same as consent to receive promotional texts. You can send transactional messages about their order, but to send marketing texts you still need their prior express written consent to receive them. The cleanest approach is to collect a clear opt-in for marketing texts at or after checkout, separate from the sale itself.

What happens if I don't comply with texting laws?

The penalties are steep and per message. Individuals can sue for $500 per violating text, rising to $1,500 per text for willful or knowing violations, with no requirement to prove they were harmed. Because it's charged per message, a single non-compliant blast to a large list can create major liability, which is why consent and easy opt-outs are essential rather than optional.

Do I have to let people opt out of my texts?

Yes, and you have to honor it promptly. When someone replies STOP, cancel, unsubscribe, or a similar word, that's a valid request to stop, and you must honor it, within ten business days at the latest and ideally right away. Every marketing text should include clear opt-out instructions, and a good SMS platform handles the opt-out automatically so you stay compliant.

What's the easiest way for a small vendor to text customers legally?

Use a dedicated business SMS platform and build your list only from clear opt-ins. A proper texting tool automatically includes required disclosures, handles STOP requests, and keeps consent records, which covers most of your compliance obligations. Add clean opt-in-only list growth and saved proof of consent, and a one-person food business can run a compliant text program without much ongoing effort.

Texting is a powerful way to bring customers back, and it's completely usable as long as you respect the rules: get written consent, identify yourself, and make opting out easy. Set it up correctly once with a proper tool, and the compliance runs itself. Start your Homegrown storefront so your order communications are handled cleanly, and keep your promotional texting in a platform built to keep it within the law.

About the Author

Evan Knox is the cofounder of Homegrown, where he works with hundreds of small food vendors across the country to sell online. He and his cofounder David built Homegrown after seeing how many local vendors were stuck taking orders through DMs and cash-only sales.

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