# Users

You can use the Users operations only if you have the Multi-entity feature enabled.

For detailed information about the Multi-entity feature, see <a href="https://knowledgecenter.zuora.com/Billing/Tenant_Management/Multi-entity" target="_blank">Multi-entity</a>.


## Multi-entity: Send user access requests

 - [PUT /v1/users/{username}/request-access](https://developer.zuora.com/v1-api-reference/older-api/users/put_senduseraccessrequests.md): Sends access requests to the entities that a user wants to access.

### User Access Permission
You must make the call as an administrator of the entity, in which the request user is created. Also, this administrator must have the permission to access the entities that the request user wants to access.

## Multi-entity: Accept user access

 - [PUT /v1/users/{username}/accept-access](https://developer.zuora.com/v1-api-reference/older-api/users/put_acceptuseraccess.md): Accepts user access to an entity.

### User Access Permission
You must make the calls as an administrator of the entity that you want to accept the user access to.

## Multi-entity: Deny user access

 - [PUT /v1/users/{username}/deny-access](https://developer.zuora.com/v1-api-reference/older-api/users/put_denyuseraccess.md): Denies a user access to an entity. 

### User Access Permission
You must make the calls as an administrator of the entity that you want to deny the user access to.

## Multi-entity: List all entities that a user can access

 - [GET /v1/users/{username}/accessible-entities](https://developer.zuora.com/v1-api-reference/older-api/users/get_entitiesuseraccessible.md): Retrieves detailed information about all the entities that a user has permission to access.

### User Access Permission
You can make the call as any entity user.