Classes, objects and states
The integration separates the shared program definition from each customer’s individual instance. State and benefit can change without duplicating the full configuration.
Responsible messaging
Google supports certain message and notification actions, subject to frequency, user settings and anti-abuse controls. A campaign still needs a relevant reason.
Client-owned account
During MVP, each organization connects a dedicated service account to its issuer. Vuelvy is ready to evolve if Google grants aggregator status.