---
title: "Changes to Create User"
method: POST
path: "/users"
---

# Changes to Create User

`POST /users`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 43 revisions.

- **2026-07-13** `228cc05ba97d`: 1 info
- **2026-06-07** `13f3bc084194`: 5 breaking, 6 info
- **2026-01-17** `8590daeecaea`: 1 breaking, 2 info
- **2025-02-18** `7b086652e3cf`: 3 info

## Changes

- **2026-07-13** `228cc05ba97d`: 1 info
  - added the non-success response with the status `429`
- **2026-06-07** `13f3bc084194`: 5 breaking, 6 info
  - the response property `code` became optional for the status `400`
  - response property `last_logged_in` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - the `code` response's property type changed from no type to `string` for status `403`
  - the `code` response's property type changed from no type to `string` for status `404`
  - the `code` response's property type changed from `string` to no type for status `400`
  - the endpoint scheme security `ApiKeyAuth` was added to the API
  - the endpoint scheme security `PermissionAuthenticationRequirement` was removed from the API
  - api tag `Users` added
  - added the non-success response with the status `401`
  - added `#/components/schemas/Failure` to the `code` response property `allOf` list for the response status `400`
  - removed the `email_already_exists` enum value from the `code` response property for the response status `400`
- **2026-01-17** `8590daeecaea`: 1 breaking, 2 info
  - the `id` response's property format changed from `uuid` to no format for status `201`
  - added the new optional request property `permissions/forms`
  - added the optional property `permissions/forms` to the response with the `201` status
- **2025-02-18** `7b086652e3cf`: 3 info
  - the endpoint scheme security `PermissionAuthenticationRequirement` was added to the API
  - the endpoint scheme security `AuthenticationRequirement` was removed from the API
  - added the optional property `last_logged_in` to the response with the `201` status

---

[Operation](https://skmtc.dev/buttondown/apis/buttondown-api/docs/users/post.md) - [API](https://skmtc.dev/buttondown/apis/buttondown-api.md) - [Page](https://skmtc.dev/buttondown/apis/buttondown-api/changes/users/post)