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How do I install Applane and sign in?

Who
Builder: anyone in the builders group
Time
3 minutes

If your IT team force-installed Applane, the icon is already in your Chrome toolbar. Skip to sign in.

Otherwise, install it from the Chrome Web Store listing your IT team sent you, or search for Applane there. If the store says the extension is blocked by your administrator, ask IT to allow it: Chrome extension policy.

Applane works in Chrome, Edge and Brave.

  1. Click the Applane icon. The side panel opens.
  2. If asked, type your work email. Most managed setups skip this because IT pinned the company domain.
  3. Google’s sign-in opens under your company’s own app name (for example “Applane (Acme)”). Pick your work account and accept the permissions. What each one is for: Scopes reference.
  4. The panel opens on your workspace.

Use your work account. A personal Google account is refused before anything runs.

The first time, the panel shows a card: “Turn on the Apps Script API”. This is a personal Google setting that has nothing to do with Applane; without it Google refuses to create Apps Script projects for you.

  1. Click the link, or open script.google.com/home/usersettings.
  2. Set Google Apps Script API to On.
  3. Come back to the panel. It re-checks on its own.

More on why: Apps Script API per-user setting.

Message What it means Who fixes it
unknown_domain Your company has not verified its domain with Applane yet. The Applane admin. Verify your domain
seat_cap_reached All seats are taken. The message names the admins to ask. The Applane admin raises the cap or frees a seat.
not_allowlisted Your company uses an allowlist and you are not on it. The Applane admin adds you.
extension_too_old Your version is below the minimum. You: update at chrome://extensions, or wait for the managed update.
billing_required The trial or subscription has ended. The owner. Billing
access_denied from Google The consent screen is not Internal, or you used the wrong account. Try your work account; then the GCP admin.

All of them in one place: Error messages.

Your first app.

For AI agents: llms.txt, llms-full.txt, or any page with a .md suffix.