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Templates
Build membership sites in days, not months.
Custom Messages
Error Messages That Match Your Brand, Not Ours
Customize every error and success notification your members see. Design them in Webflow. Control the copy, colors, timing, and dismiss behavior. Your site, your messages.
Error notification
Oops! That password doesn't match.
Double-check and try again.
7s
Setup
<div data-ms-message ="error" >
4 attributes total
Welcome back!
You're all set.
3s
Auto-dismiss
Design control
FontYour brand font
ColorsYour palette
LayoutAny position
AnimationYour choice
WebflowCustom CSSAnimations
Your fonts. Your colors. Your timing. Fully branded notifications with 4 data attributes.
Why Builders Love Custom Messages
Your site, your messages. Every notification matches your brand.
No More Generic Platform Alerts
Default error messages scream "this site uses a third-party tool." Custom messages blend into your design. Members see your brand's tone and styling, whether they just signed up successfully or entered a wrong password.
100% Designed in Webflow
These aren't JavaScript alerts or browser popups. They're Webflow elements you design in the Designer. Use your fonts, your colors, your layout. Add icons, animations, or whatever fits your site.
Smart Timing and Dismiss Controls
Error messages display for 7 seconds. Success messages display for 3 seconds. Memberstack handles the timing automatically. You can also add a close button so members can dismiss notifications early.
How It Works
See it in action
The following video will show you how to customize the look of your error and success messages.
Learn how to implement this feature with step-by-step guides and examples.
View DocsFour data attributes control everything
data-ms-message="error"Memberstack shows this element for 7 seconds when something goes wrong (wrong password, failed payment, validation error). Hidden the rest of the time.
data-ms-message="success"Shows for 3 seconds when an action succeeds (signup complete, password reset, plan updated). Hidden otherwise.
data-ms-message-text="true"Memberstack auto-fills this element with the specific error or success text. "Invalid email address." "Password updated successfully." The message changes based on the situation.
data-ms-message-close="true"Adds a dismiss button. Members click to hide the notification before the timer runs out.
Design the message container however you want in Webflow. Memberstack controls when it appears and what it says.
Default vs Custom Messages
See why builders choose custom messages over generic browser alerts.
| Feature | Default Browser Alerts | Custom Memberstack Messages |
|---|---|---|
| Design control | None | Full (Webflow Designer) |
| Brand consistency | Generic | Matches your Webflow design |
| Timing | Manual | Auto (7s error, 3s success) |
| Dismiss button | Browser-controlled | Optional, designable |
| Dynamic text | No | Yes (auto-populated) |
| Setup | None | 4 data attributes |
Design control
Default: None
Custom: Full (Webflow Designer)
Brand consistency
Default: Generic
Custom: Matches your Webflow design
Timing
Default: Manual
Custom: Auto (7s error, 3s success)
Dismiss button
Default: Browser-controlled
Custom: Optional, designable
Dynamic text
Default: No
Custom: Yes (auto-populated)
Setup
Default: None
Custom: 4 data attributes
Common Questions
Got questions? We've got answers
Everything you need to know about Memberstack. Can't find what you're looking for? Reach out to our team.
No. Memberstack shows default messages if you don't add custom ones. But custom messages look better and match your brand.
The default timing (7 seconds for errors, 3 seconds for success) is set by Memberstack. Adding a close button gives members manual control.
Context-specific messages based on the action. Login failures, signup confirmations, password resets, payment errors. The text updates automatically based on what happened.
Related Features
View allMore in Design Control
Details like this separate polished sites from obviously-templated ones.
Customize Your Messages
Free on all plans. Four data attributes. Full design control. Join 50,000+ teams using Memberstack to build polished member experiences.
Free on all plans
4 data attributes
Full design control