Blog

Customer.io Liquid Tutorial: Dynamic Email Personalisation Without Writing Code

Learn Customer.io Liquid personalisation with copy-paste examples: conditional content, dynamic CTAs, product recs, and fallbacks.

Customer.io Custom Objects: The Complete Guide to Account-Level Messaging for B2B and Multi-Seat SaaS

Learn how Customer.io Custom Objects power account-level messaging for B2B SaaS—win-back campaigns, renewal nudges, workspace health signals, and more.

The Art of Not Sending: A Practical Guide to Suppression and Messaging Frequency Management

Learn how global frequency caps, suppression lists, and cross-channel fatigue logic protect your best customers—and your revenue. A Customer.io framework.

Email Send Time Optimisation: The Data-Driven Guide to Customer.io Intelligent Timing

Beyond 'Tuesday at 10am'—how Customer.io's AI send time optimisation works, what data it uses, and the real performance lifts it delivers.

The Real Cost of Manual Marketing: How Automation Frees Your Team to Focus on Strategy

48% of marketers cite manual processes as a challenge. Calculate the real cost and discover how Customer.io automation reclaims hours.

Beyond the Welcome Email: A Stage-by-Stage Lifecycle Marketing Guide for Day 30, 60, and 90

Most brands go dark after the welcome sequence. Here's how to build lifecycle marketing campaigns at 30, 60, and 90 days using Customer.io branching journeys and custom objects.

Event Schema for Marketing Teams: The Foundation Most Teams Skip

How a well-structured event schema unlocks smarter Customer.io automations. Naming conventions, track vs page events, and why upstream data quality matters.

What the Unsubscribe Button Is Really Telling You (And How to Listen)

One click on unsubscribe reveals gaps in your lifecycle marketing. Learn how to use Customer.io suppression lists and exit surveys as a diagnostic tool.

Lifecycle Marketing Maturity Assessment: Where Does Your Programme Actually Stand?

Score your lifecycle marketing across data, automation, personalisation, measurement & team skills. Find your maturity level and your next step.

Customer.io vs. Braze vs. Klaviyo vs. Iterable vs. HubSpot: An Honest Comparison for SaaS Teams

An honest, balanced comparison of Customer.io against top competitors. Which marketing automation platform is right for your SaaS business?

The Complete Guide to Customer.io Design Studio: Components, Brand Consistency, and Responsive Email Design

Master Customer.io Design Studio: component libraries, global styles, drag-and-drop, code-based design, collaboration, responsive email, and accessibility.

How to Turn Transactional Emails Into a Revenue Engine with Customer.io

Turn receipts, shipping updates & password resets into revenue. Learn how Customer.io's transactional messaging powers personalised upsells while staying compliant.

How to Migrate to Customer.io: The Complete ESP Migration Guide

Moving to Customer.io from another ESP? This step-by-step migration guide covers data, journeys, IP warming, team training, timelines, and checklists.

The Practical A/B Testing Guide for Email Marketers: How to Test, What to Test, and How to Act on the Results

A practical A/B testing guide for email marketers. Subject lines, send times, CTAs, statistical significance, sample sizes, and Customer.io implementation.

Advanced Segmentation in Customer.io: The Complete Guide

Master Customer.io segmentation: behavioural segments, RFM analysis, AI predictive segments, and custom objects. Real templates for active, at-risk, and dormant users.

The Complete Email Deliverability Guide: Authentication, Reputation, and Getting to the Inbox

Master email deliverability. DMARC, SPF, DKIM, IP warming, list hygiene, content best practices, and a full audit checklist for Customer.io senders.

How to Build a Subscription Centre in Customer.io That Actually Reduces Churn

Give subscribers control over what they receive—and watch unsubscribes fall. A step-by-step guide to building a subscription centre in Customer.io.

Why Chasing New Customers Is Quietly Killing Your Growth

60% of marketers prioritise acquisition while retention drops. Learn how lifecycle marketing bridges the gap and drives compounding LTV growth.

Customer.io Liquid Personalisation: The Practical Marketer's Tutorial

Learn how to use Customer.io Liquid to create dynamic emails with conditional content, product recommendations, and smart CTAs. No coding required.

The Complete Guide to Integrating Data Sources with Customer.io: APIs, Webhooks, Reverse ETL, and Beyond

Learn to integrate APIs, webhooks, Segment, Snowflake, and CRMs with Customer.io. Build unified customer profiles that power personalization.

How to Create High-Converting Onboarding Email Sequences: The Complete 7-Email Framework

Learn to build onboarding emails with 49-51% open rates. Includes 7-email template, Liquid personalization tactics, and A/B testing strategies.

AI in Email Marketing: What's Real, What's Hype, and What Actually Works

85% of marketers increased AI usage year-over-year. Discover what actually works: segmentation, send-time optimization, and more.

Email Marketing to Reduce Customer Churn in SaaS: The Complete Retention Playbook

Reduce SaaS churn with proven email strategies: re-engagement, feature adoption, cancellation prevention, and win-back campaigns.

Are You Losing Money by Not Using These 3 Pricing Techniques

Pricing your product takes more than merely allotting a number after the dollar sign—and this is one area where you cannot ask customers for what they want it to be—it requires you to understand buyer psychology.

Are You Asking Your Customers This One Question

Good research consists of two parts: finding out *where* there are problems (through your website analytics) and finding out *why* these problems are happening (talking to customers and visitors).

How To Write Headlines That Don't Suck

It’s true: Writing a decent headline *is* simple. However, writing a truly awesome headline, one that’s effective and optimized for maximum conversion … well, that’s a little trickier.

The Complete Guide to Lifecycle Email Marketing in 2026—Including Examples

Despite the rise of numerous communication channels, email remains the undisputed champion of ROI—with 83% of brands citing it as their most effective channel.

The Ultimate Guide to Customer.io Journeys: Building Automations That Actually Convert

"Build high-converting customer journeys in Customer.io with our step-by-step guide to automations, multi-channel campaigns, and real-world examples.

The Complete Guide to Omnichannel Messaging Strategy: Email, SMS, Push, and Beyond

Learn when to use email vs SMS, coordinate channels without overwhelming customers, and build seamless multi-channel campaigns.

Why Time-Based Email Drips Are Dead: The Complete Guide to Behaviour-Triggered Journeys

Time-based drips are killing your conversions. Learn how behaviour-triggered journeys drive 3.36% fewer cancellations and 200% more referrals.

The Complete Guide to Lifecycle Marketing Reporting and Attribution

56% of marketers struggle with attribution. Learn how to set up proper tracking, measurement, and dashboards in Customer.io.

Why 56% of Marketers Struggle with Attribution—And How to Fix It with Customer.io

Learn why 56% of marketers struggle with attribution and how Customer.io solves it with conversion goals, analytics, and data integrations.