---
title: "Changes to Create Form"
method: POST
path: "/forms"
---

# Changes to Create Form

`POST /forms`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 43 revisions.

- **2026-08-22** `11e4fd327eb3`: 1 warning, 2 info
- **2026-07-13** `228cc05ba97d`: 1 info
- **2026-06-07** `13f3bc084194`: 4 breaking, 2 warning, 9 info
- **2026-01-17** `8590daeecaea`: 1 info

## Changes

- **2026-08-22** `11e4fd327eb3`: 1 warning, 2 info
  - added the new `tag_not_found` enum value to the `code/allOf[subschema #1: CreateFormErrorCode]/` response property for the response status `400`
  - added the new optional request property `tags`
  - added the required property `tags` to the response with the `201` status
- **2026-07-13** `228cc05ba97d`: 1 info
  - added the non-success response with the status `429`
- **2026-06-07** `13f3bc084194`: 4 breaking, 2 warning, 9 info
  - the response property `code` became optional for the status `400`
  - the `code` response's property type changed from no type to `string` for status `403`
  - the `code` response's property type changed from `string` to no type for status `400`
  - the `id` response's property format changed from `uuid` to no format for status `201`
  - the `slug` request property's maxLength was set to `100`
  - the `title` request property's maxLength was set to `255`
  - the endpoint scheme security `ApiKeyAuth` was added to the API
  - the endpoint scheme security `PermissionAuthenticationRequirement` was removed from the API
  - api tag `Forms` added
  - added the non-success response with the status `401`
  - added `#/components/schemas/CreateFormErrorCode` to the `code` response property `allOf` list for the response status `400`
  - removed the `slug_already_exists` enum value from the `code` response property for the response status `400`
  - added the required property `confirmed_subscriber_count` to the response with the `201` status
  - added the required property `page_view_count` to the response with the `201` status
  - added the required property `subscriber_count` to the response with the `201` status
- **2026-01-17** `8590daeecaea`: 1 info
  - endpoint added

---

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