BillingCenter Cloud API Developer Guide
Endpoint architecture
Adding properties to resources
Modifying endpoint behaviors
Localizing schemas
Generating extension endpoints
Configuration for other specific use cases
Choosing an authentication flow
- Overview of authentication
- Selecting an authentication flow
Authentication flows in detail
Implementing authentication
ContactManager authentication
- ContactManager authentication

OAuth2 authorization code flow: External users

This topic describes how to implement Cloud API authentication for external users.

Published: November 20, 2025 18:58 GMT+00:00