Methods, apparatus, systems and articles of manufacture are disclosed to manage digital assets owned by a user and hosted by a first online service provider and a second online service provider. Provided herein is a gateway system comprising: a trusted authentication interface; one or more processors; and memory including instructions that, when executed, cause the one or more processors to at least: authenticate the user with the first and second online service providers using the trusted authentication interface; and instruct, via the trusted authentication interface, the first and second online service provider to take an action with respect to one or more of the digital assets, the first and second online service providers to trust the instructions from the trusted authentication interface without further authenticating the user.