To link Payt with Exact Online, a connection user is required. This is a user in Exact Online with full permissions, allowing Payt to log in to Exact Online to grant access to the Exact Online environment.
The connection user in Exact Online needs at least the following permissions:
General > Create, update, and delete documents
Financial > Enter, edit, and delete bank entries
Financial > View general ledger reporting
Financial > View relationships
Financial > View financial master data
Sales > Process and print invoices
Roles can be set under [Administration Name] > Master Data > Users | Overview > [Username] > Rights (right side of the screen).