A method including authenticating one or more service providers that provide one or more services to users, the one or more service providers being authenticated for sending content to the users via a document banking system. The method further includes receiving one or more templates from the one or more service providers. The method furthermore includes receiving content from a service provider corresponding to a service used by a user, the content is received via secure Application Program Interfaces (APIs). The method includes determining whether the service provider is an authenticated service provider and based on the determination, the method includes identifying a template corresponding to the service for which the content is received. Additionally, the method includes overlaying the received content over the identified template and adding the generated document or the updated document to the document bank account of the user.