# Add seats by invoice (/docs/support/billing/add-seats-by-invoice)

If your workspace is on invoice billing, you can add multiple seats and receive an invoice for them.

1. Go to Settings → Billing.
2. Select ⋯ next to your plan and choose **Add seats by invoice**.

   

3. Enter the number of additional seats. The total is prorated for the remainder of your current billing period.
4. Select **Send invoice**.

The seats are added to your plan right away, so you can [add members](/docs/support/workspace-and-teams/add-people-to-your-workspace) immediately.\
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The invoice is emailed to your billing email and appears under Invoices in Settings → Billing, marked **Unpaid** until it’s paid. It’s due within 30 days.

Only the billing owner can add seats by invoice, and the option is available once you’ve switched to invoice billing (see [Switch to invoice billing](/docs/support/billing/switch-to-invoice-billing)). If your payment is past due, pay the outstanding invoice first.