Wasabi has been validated for use with Bubble.io using the Zeroqode plugin. Wasabi Cloud Storage Plugin for Bubble allows you to interact with your Wasabi account and easily upload and manage files from based application.
Reference Architecture

Requirements
An active Wasabi account
A bubble.io account
Zeroqode's Wasabi cloud storage plugin is installed in the Bubble.io app. (You can either buy or subscribe to the plugin. The Subscribe option is available only on paid Bubble plans.)
Installing the Plugin
Log in to the Bubble account.
Click Menu.
Select My App.

Select the application to install then plugin and click the pencil icon.
.png)
In the Editor, select the Plugin tab.
Click Add plugins.
.png)
In the opened window, enter the plugin name.
Select either Buy or Subscribe.
.png)
The subscribe button is available on paid Bubble bubble plans. When subscribing to a plugin, you pay only for the days in use.
Configuring the Plugin
Once you have installed the plugin, add the Wasabi Access Keys to connect to your Wasabi account.
.png)
The plugin is now ready for use.
Using the Plugin
To interact with the plugin and be able to upload files through it into the Wasabi account, place the Wasabi S3 element onto your page and configure any other upload preferences.
.png)
For more information on how to configure the plugin element and details about each field, refer to the Zeroqode plugin documentation for Wasabi Cloud Storage.
Now you have an uploader on the page, which you can use to upload files into the plugin element. In this case the plugin element keeps your file. To be able to upload the file directly into Wasabi account (in your bucket-> folder) you need to trigger the plugin action – Upload WasabiS3 A. To do so, click the Uploader, select the file from your PC in the open window, then click Upload to trigger the plugin action.
All these actions will upload the file from the Bubble app into the Wasabi account using the plugin.For example, if you click Uploader, select the file from your PC in the opened window, click Upload, it triggers the plugin action. All these actions will upload the file from the Bubble app into the Wasabi account using the plugin.

Review the following Bubble forum threads for information about the plugin configuration, use cases, and questions.
Additional Zeroqode Forum threads are:
For information about the plugin, see:
Plugin Docs—Wasabi Cloud Storage
Demo page—https://appkit.bubbleapps.io/wasabi
Editor—Appkit
For any issues with plugin, contact Zeroqode Support: support@zeroqode.com. For additional support, chat via Zeroqode or refer to the Zeroqode forum at Join the Bubble Community.