---
title: "Customer setup & master data | Rex"
description: "Rex keeps customer records, billing details, portal requirements, contacts, and payment instructions clean before they block cash."
canonical: https://www.rex.inc/customer-setup
last-updated: 2026-08-21
---

# Customer setup & master data | Rex

Rex keeps customer records, billing details, portal requirements, contacts, and payment instructions clean before they block cash.

- Agents keep customer contact, billing and account details up to date.

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)