Scopes

FortnoxScope is a [Flags] enum — combine the resources your app needs with | and pass the result to BuildConnectUriAsync. Fortnox includes those scopes in the consent screen the user sees.

var scopes =
    FortnoxScope.CompanyInformation
    | FortnoxScope.Bookkeeping
    | FortnoxScope.Customer
    | FortnoxScope.Invoice;

var uri = await connectionService.BuildConnectUriAsync(requestKey, scopes);

Reference

Authoritative list: Fortnox scopes. Each scope maps to one or more Fortnox resources and requires the listed license.

Scope	License	Resource
CompanyInformation	Any	Company Information
Customer	Kundfaktura or Order	Customers
Article	Order or Kundfaktura	Articles, Article URL Connections
Offer	Order	Offers
Order	Order	Orders
Invoice	Order or Kundfaktura	Contract Accruals, Contract Templates, Contracts, Invoice Accruals, Invoices, Tax Reductions
Print	Order or Kundfaktura	Print Templates
Bookkeeping	Bokföring or Kundfaktura	Account Charts, Accounts, Financial Years, SIE, Voucher External URL Connections, Voucher Series, Vouchers
Settings	Any	Company Settings, Labels, Modes of Payment, Predefined Accounts, Terms of Delivery, Terms of Payment, Units, Way of Delivery
Price	Order or Kundfaktura	Price Lists, Prices
Archive	Any	Archive
ConnectFile	Bokföring or Anläggning or Arkivplats	Article File Connections, Supplier Invoice File Connections, Voucher File Connections
CostCenter	Bokföring or Order or Kundfaktura	Cost Centers
Currency	Bokföring or Order or Kundfaktura	Currencies
Inbox	Any	Inbox
NoxFinansInvoice	Kundfaktura	Nox Finans Invoice
Payment	Bokföring or Order or Kundfaktura	Invoice Payments, Supplier Invoice Payments
Profile	Any	Profile
Project	Bokföring or Order or Kundfaktura	Projects
Salary	Lön	Absence transactions, Attendance transactions, Employees, Expenses, Salary transactions, Schedule times, Vacation Debt Basis
Supplier	Bokföring	Suppliers
SupplierInvoice	Bokföring	Supplier Invoice Accruals, Supplier Invoice External URL Connections, Supplier Invoices
TimeReporting	Tidredovisning	Time Reporting

Picking scopes

Request the smallest set you can. Two reasons:

• User trust. Fortnox shows the requested scopes on the consent screen. Asking for Salary when you only read invoices makes users (rightly) suspicious.
• License gating. If the user's Fortnox subscription doesn't include the licensed component a scope requires, granting fails. Asking for Salary from a customer without the Lön module means they cannot complete the connection at all.

If your app has optional features (e.g. "import bookkeeping vouchers"), consider building separate connect URIs for the base set and the optional set, and reconnecting only when a user opts into the larger feature.