The rule is simple: one Fintecture account corresponds to one legal entity. From this account, you will be able to centralize all the activities of your sites related to this company. You will have to configure the module on each site and create API keys for each URL.
If you want to use Fintecture for different companies, you will need to create another account per legal entity, and have them activated by our team. You can add a new company from your first account by clicking on your company name in the left menu:
The multi-company mode allows you to switch from one company to another without having to log out and back in: