---
title: "/lists/{list_id}/companies/bulk"
method: POST
path: "/v1/lists/{list_id}/companies/bulk"
tags: ["internal"]
---

# /lists/{list_id}/companies/bulk

`POST /v1/lists/{list_id}/companies/bulk`

## Request

- Base URL: `https://api.companydata.dk` (the document declares no server; this is the origin it was published from)
- URL: `https://api.companydata.dk/v1/lists/{list_id}/companies/bulk`
- Auth: HTTP bearer

Add many companies to a list at once (CVR paste / CSV import).

Tokens that aren't 8-digit CVR numbers are reported as invalid; CVRs not
in the registry are reported as not_found. Both are skipped, the rest are
added (duplicates within the list are skipped silently).

## Path parameters

- `list_id` string, required

## Request body

- BulkAddCompaniesRequest: Request to add many companies to a list at once (paste/CSV import). Input is free-form lines/tokens; the endpoint extracts CVR numbers, so the client can pass raw pasted text split into tokens.
  - `cvrs` string[], required

## Response `200`

Successful Response

- BulkAddCompaniesResult: Outcome of a bulk add.
  - `added` integer, required
  - `already_in_list` integer, required
  - `not_found` string[]
  - `invalid` string[]
  - `total_in_list` integer, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/companydata/apis/companydata-dk-api.md) · [All operations](https://skmtc.dev/companydata/apis/companydata-dk-api/llms.txt) · [OpenAPI document](https://skmtc.dev/companydata/apis/companydata-dk-api/revisions/1cc6c361ae64?raw)