Hi @joncon62,
That’s interesting, thanks for sharing the link.
PayPal Payments is designed in a way that third-party developers can modify or extend even core plugin functionality with a custom module.
We haven’t performed any tests with this plugin, but on a technical level, it would certainly be possible to extend PayPal Payments with this functionality.
There is just no functionality built directly into the plugin that would allow you to connect multiple accounts at the same time (beyond one live and one sandbox account).
Until such a functionality is built into PayPal Payments (not sure if this will ever be the case), a plugin like the one you linked probably would be the best option.
I double-checked, and doubt the filter will be able to achieve this. The filter only modifies the order creation API request. But the PayPal account credentials are relevant during the page load when the PayPal button script is initialized.
The PayPal Standard integration only forwarded your buyers to the PayPal website. But PayPal Payments implements PayPal directly on your website. So while the filter can be used for similar purposes, there are major differences in how these integrations behave.
Kind regards,
Niklas