How do I start using Relay Autobooker Cardamon?

Getting Started & Usage

To start using Relay Autobooker Cardamon, install the Chrome extension, open the Amazon Relay load board, and click START:

Cardamon AutoBooker settings window
The Settings window: Refresh Settings, Auto Booking, Differential Mode and the Relay Assistant.
  1. Install the extension from the Chrome Web Store (takes 30 seconds)
  2. Go to Amazon Relay (relay.amazon.com, .co.uk, .de, etc.) and log in
  3. Open the load board
  4. The Relay Autobooker control panel appears on the page automatically
  5. Click "START" and the auto-refresh tool begins working right away (FREE tier - no payment required)

Important: Keep the Amazon Relay tab open so the extension can keep working. You can minimize the window, but if you close the tab, monitoring stops.

More about getting started & usage

Last updated June 11, 2026. See what changed in the changes history.

Go deeper with a guide

All guides are listed on the guides page.

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Need Help?

Contact our support team at support@cardamon.org