> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.emailwiz.ai/sitemap.xml
> Use this file to discover available pages before exploring further.
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# Using your own pop-up app with Wiz

Wiz comes with its own built-in pop-up for collecting sign-ups (see [How the pop-up works](#)). But if you already use a pop-up from another app - or you simply prefer a different one - you can keep using it with Wiz.

**Yes, it's supported - but there's one required step: contact Wiz support first.**

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## Why you need to contact support

When someone signs up through Wiz's own pop-up, that sign-up automatically triggers your **Welcome flow**. A pop-up from a *different* app doesn't do that on its own - Wiz needs to recognize it as a trusted source first.

So before you rely on a third-party pop-up, **reach out to Wiz support** and let them know which pop-up app you're using. Support will **whitelist** it so that sign-ups from that pop-up flow into Wiz and trigger your Welcome flow.

||| **Without whitelisting, sign-ups from another app's pop-up won't enter your Welcome flow** - meaning those new subscribers won't get your welcome emails. Contacting support first avoids that gap.

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## How to do it

1. Decide which pop-up app you want to use.

2. Contact **Wiz support** and tell them you'd like to use that pop-up instead of Wiz's.

3. Once support confirms it's whitelisted, sign-ups from your pop-up will trigger the Welcome flow as expected.

If you'd rather stick with the built-in option, you can customize almost everything about it - see [Customizing your pop-up design](#).

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## Common questions

**Can I use both my pop-up and Wiz's?**

Talk to support about your setup - they'll help you whitelist your pop-up and advise on avoiding two pop-ups competing for the same visitor.

**Will my Welcome flow still work?**

Yes, once your pop-up is whitelisted. That's exactly what the whitelisting step ensures.

**What if I don't contact support?**

Sign-ups from a non-whitelisted pop-up won't trigger the Welcome flow, so those subscribers won't receive your welcome emails.