Send Invoice

Describes how to send an eInvoice to a valid consumer.

Send a valid eInvoice to a verified consumer's online bank using the eFaktura platform.

Endpoint Details:

post

Header parameters

AuthorizationstringRequired

Authorization bearer access token

companyIdinteger · int64Required

ERP companyId

Example: 1

organisationNumberinteger · int64Required

Organisation Number

Example: 986559469

customerIdinteger · int64Required

customer identifer from the ERP system

Example: 10

invoiceNumberinteger · int64Required

amountnumber · doubleRequired

minimumAmountnumber · doubleOptional

dueDatestring · dateRequired

billingAmountNumberinteger · int64Optional

Overrides default billing account number from the company

invoiceURIstringOptional

presigned URI to download invoice document from the object storage

kidstringOptional

langstringOptional

language option such as no, en ( default is always no)

Responses

202

eInvoice sent successfully.

application/json

409

Failed to send eInvoice.

application/json

post

/v2/invoices

HTTPcURLJavaScriptPython

POST /efaktura/v2/invoices HTTP/1.1
Host: api.beta.zerp.no
Authorization: text
companyId: 1
organisationNumber: 1
customerId: 1
invoiceNumber: 1
amount: 1
dueDate: 2025-12-12
Accept: */*

{
  "invoice": {
    "invoiceId": 1,
    "customerId": 1,
    "invoiceNumber": 1,
    "status": "text",
    "statusId": 1,
    "rejectedReason": "text"
  },
  "code": 1,
  "message": "text",
  "messageArgs": [
    "text"
  ],
  "companies": [
    1
  ],
  "attributes": [
    "text"
  ]
}