# Users

Our Investment API is structured around users and accounts. The use cases presented here show you how to make the most of the available endpoints for users and accounts.

* [User onboarding](/products/tol/guides/users/users_onboarding_overview) 
Learn how to set up a user on our Investment API, including how to create a user and all the legal checks.
* [Tax onboarding](/products/tol/guides/users/users_tax_onboarding) 
Understand the steps required to provide tax residency and other identifiers when onboarding a user.
* [User data change](/products/tol/guides/users/users_data_change) 
This guide outlines how to change data about a user and which proof documents have to be provided.
* [User offboarding](/products/tol/guides/users/users_offboarding) 
Learn how to offboard users from the Investment API.