Blog

WhatsApp marketing, in numbers — not buzzwords.

Benchmarks, flow recipes, and GDPR updates for Shopify merchants — conservatively calculated, ready to ship.

Meta WhatsApp prices, limits & rules — dated and sourced →

Categories
Keaz cover: how to calculate churn rate and read the published benchmark bands
Benchmarks

Churn Rate: How to Calculate It and What's Normal

Churn rate is a subscription metric. Here is the formula, the published benchmark bands, and what the number can and cannot tell a Shopify store.

Nils Spölgen8 min
Keaz cover: how a Shopify store measures and improves customer retention
Benchmarks

Ecommerce Customer Retention: The Two Numbers That Matter

Retention advice is written for SaaS. Here is how a Shopify store measures retention rate and repeat purchase rate — and the four levers that move them.

Nils Spölgen7 min
Keaz cover: how to calculate customer lifetime value and the four levers that raise it
Benchmarks

Customer Lifetime Value: How to Calculate and Raise It

What customer lifetime value really is, how to work it out from your Shopify data, and the four levers that move it - plus the mistakes that inflate the number.

Nils Spölgen8 min
Keaz cover: how to set up the WhatsApp Business app and when to move to the Platform
Basics

Set Up WhatsApp Business: App, Profile, What's Next

Download, register, verify and fill in your profile — plus the honest answer on converting a personal number and when to move to the Platform.

Nils Spölgen7 min
Keaz cover: Click to WhatsApp Ads and the free 72-hour messaging window
Marketing

Click to WhatsApp Ads: What Happens After the Click

Click to WhatsApp ads open a free 72-hour window if you reply within 24 hours. What the window covers, what messaging costs after it, and how to automate the reply.

Nils Spölgen8 min
Keaz cover: what a WhatsApp chatbot can and cannot answer in a Shopify store
Inbox

WhatsApp Chatbot for E-Commerce: What Actually Works

A WhatsApp chatbot in a shop is rules, not AI. The three keywords every Keaz account has, the one capped fallback, and why 24 hours decides the design.

Nils Spölgen5 min
Keaz cover: automating a WhatsApp reminder message with a Flow trigger, a delay and a message template
Automation

WhatsApp Reminder Message: How to Automate One

A WhatsApp reminder is a Flow: trigger, delay, template. Get the category right and it stays utility. Add a discount and Meta reprices it as marketing.

Nils Spölgen7 min
Keaz cover: what the WhatsApp Business API is and which Shopify stores need it
Basics

WhatsApp Business API: What It Is and Who Needs It

What the WhatsApp Business API is, why access runs through a provider, what changes day to day, and how to tell whether your Shopify store needs it yet.

Nils Spölgen9 min
Keaz cover: WhatsApp service messages become chargeable on 1 October 2026
Basics

WhatsApp Service Messages: What Changes on 1 October

From 1 October 2026 Meta charges for WhatsApp service messages and for utility templates sent inside the 24-hour window. What it means for a Shopify store.

Nils Spölgen8 min
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