---
title: "Changes to Create a task list"
method: POST
path: "/api/v2/task_lists"
---

# Changes to Create a task list

`POST /api/v2/task_lists`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 49 revisions.

- **2026-11-02** `fa3060fd0144`: 3 warning, 9 info
- **2026-10-27** `f11a8740641a`: 3 breaking, 2 warning

## Changes

- **2026-11-02** `fa3060fd0144`: 3 warning, 9 info
  - added the new `bad_decimal_format` enum value to the `errors/items/code` response property for the response status `422`
  - added the new `non_finite_number` enum value to the `errors/items/code` response property for the response status `422`
  - added the new `null_bytes_in_params` enum value to the `errors/items/code` response property for the response status `422`
  - added the non-success response with the status `400`
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - added the non-success response with the status `406`
  - added the non-success response with the status `408`
  - added the non-success response with the status `415`
  - added the non-success response with the status `423`
  - added the non-success response with the status `429`
  - added the non-success response with the status `500`
- **2026-10-27** `f11a8740641a`: 3 breaking, 2 warning
  - the `data/attributes/archived_at` response's property type changed from `string` to no type, and format from `date-time` to no format for status `201`
  - the `data/attributes/placement` response's property type changed from `integer` to no type for status `201`
  - the `data/attributes/position` response's property type changed from `integer` to no type for status `201`
  - deleted the `header` request parameter `X-Organization-Id`
  - removed the optional property `data/relationships/board` from the response with the `201` status
  - …this revision’s changelog is incomplete

---

[Operation](https://skmtc.dev/productive/apis/api-documentation/docs/api/v2/task_lists/post.md) - [API](https://skmtc.dev/productive/apis/api-documentation.md) - [Page](https://skmtc.dev/productive/apis/api-documentation/changes/api/v2/task_lists/post)