---
title: "Changes to Create Flag"
method: POST
path: "/v1/configs/{configId}/settings"
---

# Changes to Create Flag

`POST /v1/configs/{configId}/settings`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 16 revisions.

- **2026-07-13** `51d01f66e99a`: 4 info
- **2026-06-08** `fc2e575e2bd3`: 1 info
- **2025-11-20** `c45d8854233a`: 6 breaking, 3 warning
- **2025-10-09** `8b8a102e5ed1`: 3 breaking, 14 info
- **2025-05-16** `2949501eef38`: 19 info
- **2024-11-02** `5e41b01aba83`: 3 info
- **2024-05-18** `f14408c16a8c`: 7 breaking, 3 warning, 4 info

## Changes

- **2026-07-13** `51d01f66e99a`: 4 info
  - added the new optional request property `isJson` (media type: application/json)
  - added the new optional request property `isJson` (media type: text/json)
  - added the new optional request property `isJson` (media type: application/*+json)
  - added the required property `isJson` to the response with the `201` status
- **2026-06-08** `fc2e575e2bd3`: 1 info
  - added the required property `tags/items/product/approveRequired` to the response with the `201` status
- **2025-11-20** `c45d8854233a`: 6 breaking, 3 warning
  - the request property `initialValues/items/value` became not nullable (media type: application/json)
  - the request property `initialValues/items/value` became not nullable (media type: text/json)
  - the request property `initialValues/items/value` became not nullable (media type: application/*+json)
  - the request property `initialValues/items/value` became required (media type: application/json)
  - the request property `initialValues/items/value` became required (media type: text/json)
  - the request property `initialValues/items/value` became required (media type: application/*+json)
  - removed the request property `initialValues/items/predefinedVariationIndex` (media type: application/json)
  - removed the request property `initialValues/items/predefinedVariationIndex` (media type: text/json)
  - removed the request property `initialValues/items/predefinedVariationIndex` (media type: application/*+json)
- **2025-10-09** `8b8a102e5ed1`: 3 breaking, 14 info
  - added `#/components/schemas/SettingValueType` to the `initialValues/items/value` request property `allOf` list (media type: application/json)
  - added `#/components/schemas/SettingValueType` to the `initialValues/items/value` request property `allOf` list (media type: text/json)
  - added `#/components/schemas/SettingValueType` to the `initialValues/items/value` request property `allOf` list (media type: application/*+json)
  - added the new optional request property `initialValues/items/predefinedVariationIndex` (media type: application/json)
  - added the new optional request property `initialValues/items/predefinedVariationIndex` (media type: text/json)
  - added the new optional request property `initialValues/items/predefinedVariationIndex` (media type: application/*+json)
  - added the new optional request property `predefinedVariations` (media type: application/json)
  - added the new optional request property `predefinedVariations` (media type: text/json)
  - added the new optional request property `predefinedVariations` (media type: application/*+json)
  - added the new optional request property `settingIdToInitFrom` (media type: application/json)
  - added the new optional request property `settingIdToInitFrom` (media type: text/json)
  - added the new optional request property `settingIdToInitFrom` (media type: application/*+json)
  - the response property `createdAt` became required for the status `201`
  - the response property `hint` became required for the status `201`
  - the response property `tags/items/color` became required for the status `201`
  - the response property `tags/items/product/description` became required for the status `201`
  - added the required property `predefinedVariations` to the response with the `201` status
- **2025-05-16** `2949501eef38`: 19 info
  - added the optional property `createdAt` to the response with the `201` status
  - the response property `configId` became required for the status `201`
  - the response property `configName` became required for the status `201`
  - the response property `key` became required for the status `201`
  - the response property `name` became required for the status `201`
  - the response property `order` became required for the status `201`
  - the response property `settingId` became required for the status `201`
  - the response property `settingType` became required for the status `201`
  - the response property `tags` became required for the status `201`
  - the response property `tags/items/name` became required for the status `201`
  - the response property `tags/items/product` became required for the status `201`
  - the response property `tags/items/product/name` became required for the status `201`
  - the response property `tags/items/product/order` became required for the status `201`
  - the response property `tags/items/product/organization` became required for the status `201`
  - the response property `tags/items/product/organization/name` became required for the status `201`
  - the response property `tags/items/product/organization/organizationId` became required for the status `201`
  - the response property `tags/items/product/productId` became required for the status `201`
  - the response property `tags/items/product/reasonRequired` became required for the status `201`
  - the response property `tags/items/tagId` became required for the status `201`
- **2024-11-02** `5e41b01aba83`: 3 info
  - removed the pattern `^[a-zA-Z]+[a-zA-Z0-9_-]*$` from the request property `key` (media type: application/json)
  - removed the pattern `^[a-zA-Z]+[a-zA-Z0-9_-]*$` from the request property `key` (media type: text/json)
  - removed the pattern `^[a-zA-Z]+[a-zA-Z0-9_-]*$` from the request property `key` (media type: application/*+json)
- **2024-05-18** `f14408c16a8c`: 7 breaking, 3 warning, 4 info
  - the `key` request property's minLength was increased from `0` to `1` (media type: application/json)
  - the `key` request property's minLength was increased from `0` to `1` (media type: text/json)
  - the `key` request property's minLength was increased from `0` to `1` (media type: application/*+json)
  - the `name` request property's minLength was increased from `0` to `1` (media type: application/json)
  - the `name` request property's minLength was increased from `0` to `1` (media type: text/json)
  - the `name` request property's minLength was increased from `0` to `1` (media type: application/*+json)
  - removed the media type `application/hal+json` for the response with the status `201`
  - changed the pattern of the request property `key` from `^[a-zA-Z]+[a-zA-Z0-9_]*` to `^[a-zA-Z]+[a-zA-Z0-9_-]*$` (media type: application/json)
  - changed the pattern of the request property `key` from `^[a-zA-Z]+[a-zA-Z0-9_]*` to `^[a-zA-Z]+[a-zA-Z0-9_-]*$` (media type: text/json)
  - changed the pattern of the request property `key` from `^[a-zA-Z]+[a-zA-Z0-9_]*` to `^[a-zA-Z]+[a-zA-Z0-9_-]*$` (media type: application/*+json)
  - added the new optional request property `order` (media type: application/json)
  - added the new optional request property `order` (media type: text/json)
  - added the new optional request property `order` (media type: application/*+json)
  - removed the non-success response with the status `401`

---

[Operation](https://skmtc.dev/configcat/apis/configcat-public-management-api/docs/v1/configs/:configId/settings/post.md) - [API](https://skmtc.dev/configcat/apis/configcat-public-management-api.md) - [Page](https://skmtc.dev/configcat/apis/configcat-public-management-api/changes/v1/configs/:configId/settings/post)