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In-app is a channel like email or SMS. The difference is that the message shows up inside your app, so you build the UI first. That UI runs on eight platforms, so it has a tab of its own. Everything below lives in .

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Add it to your app

Add an inbox

Put the notification center in your app.

Sign users in

Your backend gives the SDK a token. Start here.

Add an inbox to Next.js

Every step, written for the App Router.

Pick your platform

React, Vue, Angular, iOS, Android, Flutter, and more.

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Then send a message

Send to the inbox

The send call, in every language.

How the inbox behaves

Live updates, and how long a message stays.

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Add more to your app

Add toasts

Pop a message up the moment it arrives.

Add a preference center

Let users choose what they get.
is enough for all of it. The inbox works in Test with no provider connected. Email is the only other channel that does.