Shopper Login and API Service (SLAS) now supports an authorization method called trusted agent on behalf (TAOB).
Using this method, a trusted agent can get a shopper token that allows the agent to assume the role of a particular shopper and perform actions on their behalf. For example, an agent can assume the role of a shopper and perform actions such as updating their order.
The typical API requests and responses used to implement a login flow for a trusted agent.