Nordsynk Supplier InvoicesSupplier invoices into Fortnox.
Authorized on a phone.
Each company gets its own email address for invoices. Nordsynk reads and checks every invoice and suggests the coding. The right person authorizes it from a link, and then the invoice is booked in Fortnox with the PDF attached.
The service is not open for activation yet. Book a call and we will tell you when it opens.
Try it free on your first four invoices. Then 4 SEK per registered invoice, excl. VAT.
Authorize invoice
Anna, Acme Bygg AB has received an invoice for you to authorize.
- Supplier
- Kontorsgrossisten AB
- Invoice number
- 48213
- Due date
- 2026-11-13
- Amount due
- 12,500.00 SEK
How the invoice is booked
- 6110 Office supplies10,000.00
› Same account as the last 6 invoices
- 2640 Input VAT2,500.00
› 25% VAT per the invoice
No Fortnox login. The link is valid for 14 days.
From email to a booked invoice in Fortnox
Five steps from incoming file to booked supplier invoice.
The supplier
sends to the company's invoice address
Nordsynk
Reads and checks
eight checks and a coding suggestion
Authorization
The right person
link in the email, no login
Fortnox
Registered and booked
PDF attached
Held
Duplicates, new bank details and totals that do not add up come back to you instead of going out for authorization.
- 01
The invoice arrives
Each Fortnox company gets its own email address. Ask suppliers to send invoices there, or forward them from your own inbox. You can also upload files in the browser.
› acmebygg-7k2fq9mxte@nordsynkfaktura.com
- 02
AI reads the invoice
Nordsynk reads the supplier, organization number, invoice number, dates, lines, VAT, amounts and payment details. Receipts, reminders and other documents that are not invoices are set aside and cost nothing.
› Supplier, org. no., invoice number, dates, lines, VAT, amounts, bankgiro and OCR
- 03
Checks and coding
The invoice is checked against Fortnox and against earlier invoices. Nordsynk then suggests the coding based on how the supplier was booked before. Invoices that look wrong are held for review before anyone is asked to authorize them.
› 6110 Office supplies, same account as the last 6 invoices
- 04
The right person authorizes
Your rules decide who gets the invoice: by supplier, cost center, project or amount. The person gets an email with a link, sees the PDF next to the coding, and authorizes or rejects. A Fortnox account is not needed.
› Over 10,000 SEK: the finance manager authorizes
- 05
Registered and booked in Fortnox
After authorization Nordsynk creates the supplier invoice in Fortnox, connects the PDF to it and books it. If you only want it registered, turn off automatic booking in the settings.
› Supplier invoice registered and booked, PDF attached
Eight checks before anyone authorizes
These checks run on every invoice. Anything that does not add up is held for review, and duplicates are stopped.
Example · invented invoice
Kontorsgrossisten AB
Invoice
- Invoice number
- 48219
- Invoice date
- 2026-10-14
- Due date
- 2026-11-13
- Buyer
- Acme Bygg AB
- Bankgiro
- ••••-5431
- OCR
- 4821900018
- Copy paper A4, 40 boxes8,000.00
- Toner, 4 pcs2,000.00
- VAT 25%2,500.00
Checks
- OKNo duplicate48219 is not in Fortnox
- HeldNew bankgiro6 earlier invoices: ••••-5674
- OKTotals add up10,000.00 + 2,500.00 = 12,500.00
- OKCheck digitsorg. no., bankgiro and OCR
- OKRight buyerAcme Bygg AB
Waiting for review. Confirm the bankgiro with the supplier on a number you already have.
Is it already there?
Nordsynk compares with supplier invoices in Fortnox and with files that have already arrived. A duplicate is stopped and costs nothing.
New or changed bank details
If the bankgiro or plusgiro differs from what the supplier used before, the invoice is held until someone has checked it.
Do the totals add up?
Lines, VAT and the total are checked against each other.
Valid identifiers
Organization number, bankgiro, plusgiro and OCR number are checked against their check digits.
The right buyer
The invoice must be addressed to the company that receives it.
New supplier
If the supplier is not in Fortnox, that is shown, and the supplier is only created once you have approved it.
Dates and financial year
Invoice dates in the future, due dates before the invoice date and dates with no financial year are flagged.
Unusual amounts and uncertain reading
If the amount differs a lot from the supplier's earlier invoices, or the AI is unsure about something it read, the invoice is flagged.
Credit notes and invoices in a foreign currency are flagged too, so that someone looks at them before they are booked.
Coding based on how the supplier was booked before
Nordsynk looks at the supplier's latest invoices in your Fortnox company and suggests the same account, VAT, cost center and project. Each line shows why the account was chosen, so whoever checks it sees the reason at once.
With no history, the supplier's default account in Fortnox is used if there is one. Otherwise the AI makes a suggestion limited to the company's active accounts, and it is shown as an AI suggestion.
An administrator can change the account, amount, VAT rate, cost center and project before the invoice is sent for authorization or booked.
Example · invented invoice
Coding suggestion · Kontorsgrossisten AB
Invoice 48213 · cost center 20 Office
| Account | Debit | Credit | Reason |
|---|---|---|---|
| 6110 Office supplies | Debit10,000.00 | Credit | ReasonSame account as the supplier's last 6 invoices |
| 2640 Input VAT | Debit2,500.00 | Credit | Reason25% VAT per the invoice |
| 2440 Accounts payable | Debit | Credit12,500.00 | ReasonThe amount owed to the supplier |
Authorize supplier invoices without a Fortnox login
The person who authorizes gets an email with a personal link. The page shows the supplier, amount, due date, the coding with the reasons, and the PDF. The person authorizes or rejects and can leave a comment.
The link works for one invoice and for 14 days. If nobody answers, reminders are sent, and an administrator can always authorize in Nordsynk.
Authorization happens in Nordsynk and does not replace Fortnox's own authorization flow. If the company uses that flow, the invoice may be registered but not booked. Nordsynk then shows that booking is still to do.
Example · the email an approver gets (sent in Swedish)
Nordsynk Leverantörsfakturor
Attestera faktura från Kontorsgrossisten AB
Hej Anna,
Acme Bygg AB har fått en faktura från Kontorsgrossisten AB på 12 500,00 kr som du ska attestera.
Inget ändras i Fortnox innan du har attesterat. Du behöver inte logga in.
- Leverantör
- Kontorsgrossisten AB
- Fakturanummer
- 48213
- Belopp
- 12 500,00 kr
- Förfallodatum
- 2026-11-13
Länken gäller till 2026-10-28.
Hälsningar,
Nordsynk
Pay per registered invoice
Try it on your first four invoices. They cost nothing, and after that you only pay for invoices that have been registered in Fortnox. No monthly fee and no licenses per user.
Nordsynk Supplier Invoices
4 SEK
per invoice registered in Fortnox, excl. VAT
What is free
- Rejected invoices
- Duplicates that are stopped
- Documents that are not invoices
When the free invoices are used up, you activate billing in Nordsynk. Nordbeam AB then invoices you every month for the invoices registered. Billing comes from Nordbeam, not through Fortnox.
With 60 registered invoices the total is 240 SEK. Nordsynk Supplier Invoices is a separate integration and is not part of Nordsynk's per-company, per-user licenses.
Example · one month, invented numbers
Monthly invoice from Nordbeam AB
Nordsynk Supplier Invoices · October
| Item | Count | Price | Total |
|---|---|---|---|
| Registered invoices | Count60 | Price4 SEK | Total240 SEK |
| Rejected invoices | Count3 | Price0 SEK | Total0 SEK |
| Duplicates stopped | Count2 | Price0 SEK | Total0 SEK |
| Receipts and reminders | Count5 | Price0 SEK | Total0 SEK |
For accounting firms with many client companies
Activate the service for each client company. Each company gets its own invoice address, its own approvers and its own rules, and an overview shows how many invoices are waiting in each company. The client can authorize their own purchases while you check the coding.
The price is the same as for a single company: 4 SEK per registered invoice. Users cost nothing extra.
Security and your data
You approve first
Nothing changes in Fortnox until you approve it. The invoice is registered only after the right person has authorized it, and a new supplier is created only after you have approved it.
Files in the EU, originals deleted after 30 days
Files are stored in the EU. The original file is deleted 30 days after the invoice is booked or rejected, and the PDF stays in Fortnox. Invoice details and a log of who did what stay in Nordsynk.
Only the permissions it needs
To read an invoice, the file is sent to an AI service that Nordbeam uses. Nordsynk asks only for the Fortnox permissions the service needs, and not for payroll.
Frequently asked questions
How does automatic coding of supplier invoices in Fortnox work?
A program suggests the account, VAT and any cost center for each line, and a person reviews the suggestion. Nordsynk starts from how the supplier was booked before in your Fortnox company and shows the reason for each account. With no history, the AI makes a suggestion.
Can you authorize supplier invoices without a Fortnox license?
Yes, in Nordsynk. The person who authorizes gets a link by email and needs neither a Fortnox user nor a Fortnox license. It is a separate step before the invoice is registered in Fortnox. Fortnox's own authorization flow happens inside Fortnox.
What does Nordsynk Supplier Invoices cost?
Each Fortnox company gets its first four registered invoices free. After that the price is 4 SEK per invoice registered in Fortnox, excl. VAT. Rejected invoices, duplicates and documents that are not invoices are always free. There is no monthly fee and there are no licenses per user. Nordbeam invoices you every month, not through Fortnox.
What happens if the supplier changes bankgiro?
The invoice is held for review before anyone authorizes it. Nordsynk compares the bankgiro and plusgiro with what the supplier used before. Call the supplier on a number you already have and confirm the new bankgiro before you release the invoice.
Does it work for accounting firms with many clients?
Yes. You activate the service for each client company, and each company gets its own address, approvers and rules. An overview shows how many invoices are waiting in each company. The price is 4 SEK per registered invoice. Users cost nothing extra.
Which file formats can I send in?
PDF, JPEG and PNG, either as an email attachment or as an upload in the browser. One email can carry up to 10 attachments of up to 20 MB each. If there is no attachment but the email contains the invoice text, Nordsynk reads the text.
How is it different from Fortnox's own invoice interpretation?
Fortnox reads invoices and suggests accounts inside Fortnox, and that may be enough if it is all you need. Nordsynk adds its own email address per company, checks for duplicates, bank details and totals, coding from the supplier's history, and authorization by link without a Fortnox login.
Does Nordsynk pay the invoices?
No. Nordsynk registers and books the supplier invoice in Fortnox with the PDF attached. You pay it in Fortnox as usual.
Is it the same as Nordsynk for AI assistants?
No. Nordsynk Supplier Invoices is a separate Fortnox integration that is activated on its own, and Nordsynk's per-company, per-user licenses do not apply to it. You can use both.
What happens to my files?
Files are stored in the EU. The original file is deleted 30 days after the invoice is booked or rejected, and the PDF stays in Fortnox. Invoice details and a log stay in Nordsynk.
Can you authorize supplier invoices on a phone?
Yes. The approver opens the link in the email on a phone or a computer and sees the PDF, the coding and the reasons on one page. No app and no Fortnox login are needed.
Read more
- What authorizing an invoice means (Swedish)
- How to code a supplier invoice (Swedish)
- Fake invoices and changed bankgiro (Swedish)
- Alternatives to Reda (Swedish)
- Supplier invoices for accounting firms (Swedish)
- Automatic coding of supplier invoices (Swedish)
- Supplier invoices in Fortnox: inbox, OCR and authorization (Swedish)
- Nordsynk for AI assistants
Start with next month's supplier invoices
The service is not open for activation yet. Book a call and we will tell you when it opens.