---
title: "Customer portal operations | Rex"
description: "Rex automates PO fetching, invoice delivery, rejection handling, and status tracking across third-party customer portals."
canonical: https://www.rex.inc/customer-portal-operations
last-updated: 2026-08-21
---

# Customer portal operations | Rex

Rex automates PO fetching, invoice delivery, rejection handling, and status tracking across third-party customer portals.

- Submit invoices and reconcile POs automatically, across any portal.

Rex is rex is the AI operations partner for order-to-cash. Its agents run accounts receivable for global enterprises, covering every account and resolving exceptions before cash gets stuck.

[Learn more / book a walkthrough](https://www.rex.inc/learn-more) · [Platform](https://www.rex.inc/platform) · [Contact](https://www.rex.inc/contact)