How the integration is authorised against a QuickBooks Online company.
The integration uses Intuit's OAuth 2.0 authorisation flow. No QuickBooks username or password is ever entered into, stored by, or visible to the integration.
If the refresh token expires or the connection is revoked, repeat the same steps. A new authorisation replaces the previous tokens.
com.intuit.quickbooks.accounting), which covers customers, invoices, products and services, and company information.