# Notifications PAI sends automated email notifications to keep users and vendors informed as work moves through key workflows. All system notifications come from **[email protected]** — add this address to your safe senders list to ensure delivery. --- ## Email Notifications ### User Invitations When you invite a new workspace user, PAI sends them an email with a link to accept the invitation and sign in. Invitation links expire after **7 days** — if a user doesn't activate within that window, send a new invitation. ### Sign-In Emails PAI emails each user, and each vendor, the links they need to sign in: - **Sign-in link**: sent when someone signs in by email, or when an admin uses **Send Sign-In Link** on a user record. Works once and expires after 5 minutes. - **Set-password link**: sent from **Forgot or set password** on the sign-in page. Expires after 24 hours. Both come from [email protected]. ### Vendor Notifications **Vendor invitation** — when you invite a vendor to connect, they receive an email with instructions to register on the vendor portal. Existing PAI users see a connection request instead. The invitation link expires after **7 days**; if the vendor doesn't register in that window, send a new invitation. **Expense posting** — when you post expense lines to a vendor, PAI sends them an email notification that they have expenses ready to invoice. This notification is delayed approximately **2–3 hours** after posting. Posted lines on future days appear in the portal on that day. **Invoice reminder** — if a vendor hasn't submitted a posted invoice, PAI sends a reminder every week. **Invoice approved** — vendor receives confirmation when their invoice is approved. **Invoice changes requested** — vendor is notified when their invoice is rejected and changes are needed. **Payment complete** — vendor is notified when their invoice is marked as Paid. > [!note] > Setting a scheduled payment date sends **no** notification. The date is visible to the vendor in their portal, but nothing announces it — only payment completion is emailed. To notify vendors when a date is set, use the **Invoice Payment Date Set** trigger described in [AP Automations](../05-Vendors-and-Payments/AP-Automations.md). --- ## In-App Notifications The bell at the top right of every page opens your **Notifications**: a running list of what's happened in your organization, newest first, each with who did it, what they did, and a link to the project, vendor or invoice. Click **Show More** to go further back. ### Choosing what you're notified about Go to **Settings → Notifications** to switch each event on or off for yourself: | Group | Events | |---|---| | Projects and campaigns | **New Project**, **New Campaign**, **Project Reconciled**, **Project Approved**, **Overage Approved** | | AP | **Invoice Approved** | | Messages | **Mentioned in Message** | | Vendors | **Vendor Created**, **Vendor Invitation Sent**, **Vendor Accepted Invitation**, **Vendor Declined Invitation**, **Vendor Connection Confirmed** | | Users | **User Account Expired** | All are on by default.