External Authorization

Partner-managed balances with Master Account settlement.

Before You Start

Read the following guides before proceeding:

GuideWhy
Getting StartedPlatform overview and setup
Api BasicsRequired headers and request configuration
AuthenticationHow to obtain access tokens

External Authorization is an alternative integration model where partners manage user balances in their own systems while Wirex settles transactions against a prefunded Master Account.

This section covers all differences from the standard integration flow.

GuideDescription
OverviewWhat External Authorization is and how it differs from standard flow
User OnboardingSimplified registration without on-chain wallet deployment
Authorization APIImplement the authorization endpoint Wirex calls before transactions
Card TransactionsHow card transactions settle against the Master Account