---
title: "POST /companies/{companySlug}/invoices/send"
method: POST
path: "/companies/{companySlug}/invoices/send"
tags: ["invoices"]
---

# POST /companies/{companySlug}/invoices/send

`POST /companies/{companySlug}/invoices/send`

## Request

- Base URL: `https://api.fiken.no/api/v2`
- URL: `https://api.fiken.no/api/v2/companies/{companySlug}/invoices/send`
- Auth: OAuth 2
  - Authorization code: `https://fiken.no/oauth/authorize`
  - Token URL: `https://fiken.no/oauth/token`

Sends the specified document

## Request body

- SendInvoiceRequest
  - `method` string[], required: The method of sending. Has to be auto, email, ehf, efaktura, sms or letter. If several methods are provided they should be in prioritized order as Fiken will only send the invoice to the first successful available method. Method "auto" tries available methods for given customer based on the information registered for the customer. The order of priority is EHF, eFaktura, Sms, and email. Method "letter" means physical letter, printed and sent by our postal service partner (extra charge per letter, available for recipient addresses in Norway only). The option "includeDocumentAttachments" is not supported by method "letter", attachments are not included even if this option is set.
  - `includeDocumentAttachments` boolean, required: Whether the document's attachment should be included when sending (True) or not (False).
  - `recipientName` string
  - `recipientEmail` string
  - `message` string: Additional message to send with document.
  - `emailSendOption` 'document_link' | 'attachment' | 'auto': document_link, attachment or auto. Defaults to auto which uses customer/company settings.
  - `mergeInvoiceAndAttachments` boolean: If sending with emailSendOption = attachment, this merges them into a single document if true.
  - `organizationNumber` string: Brreg organization number. Defaults to the customers organization number if not provided.
  - `mobileNumber` string: Defaults to the customers phone number. Format should include the country code. If a Norwegian phone number, the country code is not necessary.
  - `invoiceId` integer, required: Id of invoice to send.

## Response `200`

Sent

## Changes

- **2026-03-28** `dff97b55851e`: 1 breaking
  - removed the enum value `vipps` of the request property `allOf[#/components/schemas/sendInvoiceishRequest]/method/items/`
- **2023-05-26** `e093a0c9db87`: 1 breaking, 1 warning
  - added `#/components/schemas/sendInvoiceishRequest` to the request body `allOf` list
  - removed `#/components/schemas/sendFakturaisjRequest` from the request body `allOf` list
- **2021-12-08** `4813e5666340`: 1 info
  - the endpoint scheme security `fiken_api_oauth` was removed from the API

[Operation history](https://skmtc.dev/fiken/apis/fiken-api/changes/companies/:companySlug/invoices/send/post.md)

---

[API](https://skmtc.dev/fiken/apis/fiken-api.md) - [All operations](https://skmtc.dev/fiken/apis/fiken-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fiken/apis/fiken-api/revisions/29111da67f94?raw)