# Merchant portal Documentation > Documentation for Merchant portal ## Guides - [How does FlexFactor work?](https://guides.flexfactor.io/docs/how-does-flexcharge-work.md) - [Money Flows](https://guides.flexfactor.io/docs/money-flows.md) - [Credentials](https://guides.flexfactor.io/docs/credentials.md) - [Site ID](https://guides.flexfactor.io/docs/site-id.md) - [SFTP](https://guides.flexfactor.io/docs/sftp.md) - [Managing Users](https://guides.flexfactor.io/docs/users.md) - [Users list](https://guides.flexfactor.io/docs/users-list.md) - [Add new user](https://guides.flexfactor.io/docs/add-new-user.md): This feature is available for Amin users only - [Edit a user's info](https://guides.flexfactor.io/docs/edit-a-users-profile.md): This feature is available to Amin users only. - [Unblock a user](https://guides.flexfactor.io/docs/unblock-user.md): This feature is available to Admin users only. - [Manage a user's roles](https://guides.flexfactor.io/docs/users-permission.md) - [Allow/mask user's access to Customer Info](https://guides.flexfactor.io/docs/allowmask-access-to-customer-info.md) - [Reset a user's password](https://guides.flexfactor.io/docs/reset-a-users-password.md) - [Delete a user's account](https://guides.flexfactor.io/docs/delete-a-users-account.md) - [Profile and settings](https://guides.flexfactor.io/docs/profile-and-settings.md) - [Edit your personal information](https://guides.flexfactor.io/docs/edit-your-personal-information.md) - [Change your password](https://guides.flexfactor.io/docs/change-your-password.md) - [Two Factor Authentication (2FA)](https://guides.flexfactor.io/docs/two-factor-authentication-2fa.md) - [Set up 2FA for your account](https://guides.flexfactor.io/docs/set-up-2fa.md) - [Log in with 2FA](https://guides.flexfactor.io/docs/logging-in-with-2fa.md) - [Removing 2FA](https://guides.flexfactor.io/docs/removing-2fa.md) - [Language and Time Zone](https://guides.flexfactor.io/docs/preferences.md) - [Orders](https://guides.flexfactor.io/docs/orders.md): Track and take actions on all orders that were sent to Flex. - [Detailed orders](https://guides.flexfactor.io/docs/detailed-orders.md): Detailed view of an order allow you retrieve specific info as well as to take action on an order - [Refund an order](https://guides.flexfactor.io/docs/refund-an-order.md): Here are the steps you can take to issue a total or partial refund. - [Block a customer / payment instrument](https://guides.flexfactor.io/docs/block-a-customer-payment-instrument.md): Placing a payment on the block list results in the automatic blocking of all subsequent charges sharing identical characteristics. - [Cancel an order](https://guides.flexfactor.io/docs/cancel-an-order.md): You can instruct Flex to stop trying processing an order - [Settlements](https://guides.flexfactor.io/docs/settlements.md): Reconcile with Flex payouts and settlements. - [Reserve](https://guides.flexfactor.io/docs/reserve.md)