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Retention Marketing · WhatsApp channel

Sell where your customers are every day.

Cart reminders, restock alerts, exclusive drops and advice in the chat. With opt-in, integrated with your email flows.

Book an intro callSee examples

Not an inbox. A chat.

0.0%

of internet users in Germany aged 16 and over use WhatsApp at least once a month.

0%

average open rate of WhatsApp marketing messages.

0.0%

average click rate, measured across 382 brands.

Sources: Statista, Q2 2025 · Chatarmin benchmark March–May 2026 (provider data, 13.9m messages)

What WhatsApp is good for in a shop

Few messages, perfect timing. Exactly the moments when an email is too slow.

  • Cart reminderMinutes after the drop-off, with a direct payment link.
  • Restock alertBy size and colour, for everyone on the waiting list.
  • Drops & VIPEarly access for subscribers only.
  • BroadcastThe newsletter that actually gets read.
  • Advice in the chatQuestions about size, delivery or use, answered directly.
  • Integrated with emailWhatsApp when the email wasn't opened. Never twice.

What other shops achieve with it

Published results from other brands, as reported by the respective providers.

  • Fashion · Germany

    SNOCKS

    WhatsApp newsletter with opt-in via pop-up, A/B tested against email.

    2.5×
    higher open rate than email
    6×
    more value per send
    Source: charles

  • German brand · Test market Italy

    Bears with Benefits

    WhatsApp-exclusive pre-access drop, waiting list and 24-hour flash sale.

    10×
    ROAS
    85%
    open rate
    20,000
    subscribers in 3 months
    Source: charles

  • Caps & beanies · Austria

    apol

    Welcome message, restock alert by colour and size, early access to drops.

    41×
    ROI
    6×
    higher click rate than email
    Source: WhatsApp Business (Meta)

  • Beds & bedrooms

    Luxusbetten24

    Cart reminder within minutes, with a direct payment link and questions answered in the chat.

    14.5%
    conversion rate
    €157,119
    revenue on €41.97 sending costs
    Source: Chatarmin

  • Personal care

    Duschbrocken

    Email first, then two days later WhatsApp to everyone who hadn't opened or bought.

    €35,000
    revenue
    €1,100
    WhatsApp costs
    Source: charles

  • Furniture · Netherlands

    MeubelBaas

    Welcome and cart flow, coordinated with the email flows in Klaviyo.

    13.58%
    conversion in the welcome flow
    Source: Chatarmin

External examples, not Minotaurus clients. Figures are self-reported by the brands or software providers.

How we set it up

  • Clean opt-inConsent via pop-up, checkout or chat bubble, documented and revocable.
  • Official platformWhatsApp Business Platform, connected to Shopify and Klaviyo.
  • Flows firstCart, restock, welcome. Then broadcasts as the list grows.

WhatsApp marketing: quick answers

Can WhatsApp marketing be GDPR-compliant?
Yes, with explicit consent (opt-in), documented and revocable at any time, via the official WhatsApp Business Platform. Your legal advisers handle the legal review of individual cases.
What does it cost?
WhatsApp is one channel of our Retention Marketing. Working together starts from €1,500 net per month; the exact price depends on channels and scope. On top come the fees Meta charges for marketing messages and the cost of the sending software. You pay both directly.
Does WhatsApp replace email?
No, it complements it. Email remains the channel for content and large lists. WhatsApp plays to its strengths in moments that need to be quick: cart, restock, drops, questions.
Doesn't it annoy customers?
Only if you overdo it. We plan few, relevant messages, segmented and with a clear way to unsubscribe. People who have signed up want exactly this information.

Is WhatsApp right for your shop?

In 20 minutes you will know which flows are worth it and how to win your first subscribers.

Prefer to write? hey@minotaurus.com

Intro call with Sascha Blum20 min · Google Meet · free
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