But for now, we need to understand the following API form QuickBooks: 1. Expenses 2. Suppliers 3. Invoice details

It's a saas solution that pulls invoices serials from accounting systems like QuickBooks Online and Xero
a saas web app able to pull payment transactions for web applications (apps) from popular accounting systems like QuickBooks Online, Xero, and Sage online, and analyze the app's expenses in a dashboard per user access.
So really it’s pulling data from accounting systems and just visualizing it
It is based on users, so if I am in IT, it will show expenses for all IT applications
If Marketing then the same thing,

integration needs to occur via API’s when the invoice data is pulled, we can create different reports per department. For example: if I am in marketing, I would be be able to able to pull marketing tools invoices, and from there we create generate reports for marketing,

In regards to sources: we can start with QBO (QuickBooks online) & (Xero)

These are the top 2 popular accounting systems with APIS



But for now, we need to understand the following API form QuickBooks: 1. Expenses 2. Suppliers 3. Invoice details