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Paycux

Custom Domains

Custom Domains

How Custom Domains works in Paycux, what it is for, and the smallest setup that gets it running.

Overview

Custom Domains is part of the Paycux platform. This page explains what it does, when to reach for it, and the smallest working setup you can ship.

Everything below applies to both environments. Build and test in staging, then promote the same configuration to production without changing your code — only the API key and client ID differ.