Medusa v2 Customer Management

Before writing code

Fetch live docs:

1. Web-search site:docs.medusajs.com customer module for customer data model and service methods
2. Web-search site:docs.medusajs.com auth module for authentication providers and flows
3. Web-search site:docs.medusajs.com customer group for group management and pricing rules
4. Fetch https://docs.medusajs.com/resources/references/customer and review the ICustomerModuleService interface
5. Web-search medusajs v2 auth provider social login 2026 for latest authentication patterns

Customer Data Model

Entity Relationships