---
title: "Create line items"
method: POST
path: "/api/v2/line_items"
tags: ["Line Items - Bulk"]
---

# Create line items

`POST /api/v2/line_items`

Create a new line item.

## Headers

- `X-Organization-Id` string, required

## Response `201`

Collection line item

## Other responses

- `422` — Unprocessable Entity

## Changes

- **2026-09-02** `743d67840637` — 1 breaking, 2 warning
  - the `data` response's property type changed from `object` to `array` for status `201`
  - removed the optional property `data/attributes` from the response with the `201` status
  - removed the optional property `data/relationships` from the response with the `201` status
- **2026-08-31** `0e862879d77b` — 1 breaking, 2 info
  - the `data` response's property type changed from `array` to `object` for status `201`
  - added the optional property `data/attributes` to the response with the `201` status
  - added the optional property `data/relationships` to the response with the `201` status
- **2026-08-26** `c5790dcc537a` — 1 breaking, 2 warning
  - the `data` response's property type changed from `object` to `array` for status `201`
  - removed the optional property `data/attributes` from the response with the `201` status
  - removed the optional property `data/relationships` from the response with the `201` status
- **2026-08-18** `7e6cad75fd81` — 1 breaking, 2 info
  - the `data` response's property type changed from `array` to `object` for status `201`
  - added the optional property `data/attributes` to the response with the `201` status
  - added the optional property `data/relationships` to the response with the `201` status
- …earlier changes not shown

[Full history](https://skmtc.dev/productive/apis/api-documentation/changes/api/v2/line_items/post.md)

---

[API](https://skmtc.dev/productive/apis/api-documentation.md) · [All operations](https://skmtc.dev/productive/apis/api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/productive/api-documentation/revisions/743d67840637/schema)