# RevenueCat Documentation — Customer Management

> Customer identity and user IDs, customer attributes, customer info, and refund control. Part of the RevenueCat documentation for building in-app purchases and subscriptions.

Each link below points to the Markdown version of a page in this section. For every other section, see the root index at [llms.txt](https://www.revenuecat.com/docs/llms.txt). For the complete documentation as a single Markdown file, see [llms-full.txt](https://www.revenuecat.com/docs/llms-full.txt).

## Customer Management

- [Blocking Customers](https://www.revenuecat.com/docs/customers/blocking-customers.md): How to block RevenueCat customers
- [Setting Attributes](https://www.revenuecat.com/docs/customers/customer-attributes.md): Adding custom properties to users in RevenueCat
- [Getting Subscription Status](https://www.revenuecat.com/docs/customers/customer-info.md): Determining the subscription status for a user.
- [Identifying Customers](https://www.revenuecat.com/docs/customers/identifying-customers.md): How RevenueCat handles user identity
- [Refund Control](https://www.revenuecat.com/docs/customers/refund-control.md): How RevenueCat responds to Apple and Google refund requests
- [Configure refund policies](https://www.revenuecat.com/docs/customers/refund-control/configure-refund-policies.md): Configure project-level Refund Control policies for Apple and Google
- [Troubleshooting Refund Control](https://www.revenuecat.com/docs/customers/refund-control/troubleshooting.md): Diagnose common Refund Control configuration and reporting issues
- [Trusted Entitlements](https://www.revenuecat.com/docs/customers/trusted-entitlements.md): Protect your purchases from attackers by enabling Response Signature Verification
- [Customers in RevenueCat](https://www.revenuecat.com/docs/customers/user-ids.md)