SMS and Messaging Marketing Consent Under GDPR and ePrivacy

Electronic marketing in the EU and UK is governed by two sets of rules: GDPR for the personal data, and the ePrivacy rules — the UK's PECR — for the message itself. For SMS, WhatsApp, RCS and Viber marketing, the starting point is the same: get consent first.

In Short

Get clear, specific opt-in before sending marketing messages. A narrow existing-customer exception may allow marketing similar products to people who bought from you and were offered an opt-out. Record consent, and make stopping work immediately.

The Rules in Plain Words

  • The ePrivacy Directive Article 13 requires prior consent for marketing by electronic mail, which covers SMS and similar messages (ePrivacy Directive).
  • It allows an exception for existing customers: similar products, contact details collected during a sale, and a clear chance to object at collection and in every message. EU countries implement this differently.
  • In the UK, PECR regulation 22 sets the same rule and "soft opt-in" (ICO).
  • GDPR consent must be freely given, specific, informed and unambiguous — no pre-ticked boxes — and you must be able to show it.

Service Messages vs Marketing

Order updates, appointment reminders and codes are service messages and don't need marketing consent. Mixing a promotion into a service message turns it into marketing. On WhatsApp, Meta also separates marketing and utility templates.

A Good Opt-In

  • Name the channel: "Send me offers on WhatsApp."
  • Say what and how often: "Up to two offers a month."
  • Keep the box unticked and separate from your terms.
  • Store when, where and the wording shown.

Opt-Out

Every marketing message needs a simple way to stop, such as replying STOP or tapping Stop Promotions. Arino One records opt-outs per channel and blocks further marketing automatically.

FAQ

Do I need consent to send marketing SMS?

In the EU and UK, generally yes, unless the narrow existing-customer exception applies. This is general information, not legal advice.

Does a WhatsApp chat count as consent for marketing?

Not on its own. A customer messaging you about an order hasn't agreed to receive offers. Ask for marketing consent separately.

Are appointment reminders marketing?

No. Reminders and order updates are service messages. Adding a promotion to them makes them marketing.

How long is consent valid?

There's no fixed period, but consent can go stale. Refresh it if you haven't messaged someone in a long time, and always honour opt-outs.

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