Developer Documentation

Here you can find documentation on the advanced features of your app that you can access through JavaScript or the webtoapp.design API. If you don't know how to code yourself, your web developer can help you with the integration.

Are you looking for our guides for non-developers? Check out the blog.

How to: Prompt for the Device Password

Here's a JavaScript function that allows you to prompt the user for their device password or biometric authentication if available.

Updated on 21. March 2026 by Jan Bunk

How to: Test Your Push Notifications

Here's how you can test your push notification API calls without sending test notifications to your actual app users.

Updated on 9. May 2025 by Jan Bunk

How to: Set the App Bar Title

You can use this JavaScript function to customize the title displayed in your app's app bar.

Posted on 26. July 2024 by Jan Bunk

Send Push Notifications to Individual Users

Documentation on how you can use our push notification API to send customized push notifications to individual users of your app created from your website.

Updated on 20. December 2023 by Jan Bunk

Send Push Notifications to All App Users

Documentation on how you can use our push notification API to send push notifications to every user of your app created from your website.

Updated on 20. December 2023 by Jan Bunk

How to: Open and Close Custom Tabs

Some website features don't work in the regular WebView the webtoapp.design apps use. These features can be used in a custom tab in your app.

Updated on 18. May 2023 by Jan Bunk

App Helper Script

A javascript file with some useful functions that help you with communicating with your app.

Updated on 27. December 2022 by Jan Bunk