hoppscotch/packages/hoppscotch-selfhost-desktop/src-tauri/Info.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>CFBundleURLTypes</key>
        <array>
            <dict>
                <key>CFBundleURLName</key>
                <!-- Obviously needs to be replaced with your app's bundle identifier -->
                <string>io.hoppscotch.desktop</string>
                <key>CFBundleURLSchemes</key>
                <array>
                    <!-- register the myapp:// and myscheme:// schemes -->
                    <string>hoppscotch</string>
                </array>
            </dict>
        </array>
    </dict>
</plist>