Get invoice
One invoice with its rows, totals, booked state and payments.
MCP tool fortnox_read → get_invoice
read
Returns one invoice with every row, net, VAT and total, whether it is saved or booked, whether it was sent, and the payments registered so far. Read it before register_payment so a short payment is registered as partial.
Parameters
| Name | Type | Description |
|---|---|---|
| invoice_number string required | string | Invoice number from list_invoices or create_invoice. |
tools/call
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "fortnox_read",
"arguments": {
"operation": "get_invoice",
"arguments": {
"invoice_number": "invoice number"
}
}
}
} Example response
{
"content": [
{
"type": "text",
"text": "{ ... same JSON as structuredContent ... }"
}
],
"structuredContent": {
"invoice_number": "2377",
"customer_number": "1042",
"customer": "Nordlys Design AB",
"state": "booked",
"sent": true,
"invoice_date": "2026-09-13",
"due_date": "2026-10-13",
"rows": [
{
"description": "Consulting, September",
"quantity": 10,
"unit_price": 1200,
"net": 12000
}
],
"net": 12000,
"vat": 3000,
"total": 15000,
"balance": 15000,
"payments": [],
"currency": "SEK"
},
"isError": false
}