--- title: "Changes to Create comment" method: POST path: "/activity/comment" --- # Changes to Create comment `POST /activity/comment` > Every recorded change to this operation, newest first. ## Timeline Changed in 13 of 105 revisions. - **2026-10-09** `c9984766c765`: 1 info - **2026-10-08** `c7b8a842601b`: 3 breaking, 4 info - **2026-10-08** `2ed51b8af657`: 3 breaking, 3 info - **2026-10-07** `df1439c724ee`: 2 breaking, 3 info - **2026-09-23** `e25fae2994bd`: 1 warning - **2026-08-24** `08bbb5bedb5d`: 2 breaking, 14 info - **2026-07-11** `32cece1ebe43`: 3 breaking, 1 info - **2026-03-05** `c45ef22a736c`: 6 breaking, 6 info - **2026-03-04** `298877d6a79a`: 7 breaking - **2026-02-21** `4b8811b821e6`: 7 breaking, 6 info - **2026-01-11** `f6c7baa36924`: 1 breaking, 4 info - **2025-12-14** `38f83a691e6a`: 1 breaking, 10 warning - **2025-12-11** `93b231773126`: 1 breaking, 6 info ## Changes - **2026-10-09** `c9984766c765`: 1 info - added the non-success response with the status `404` - **2026-10-08** `c7b8a842601b`: 3 breaking, 4 info - removed the media type `text/plain` for the response with the status `400` - removed the media type `text/plain` for the response with the status `403` - removed the media type `text/plain` for the response with the status `429` - added the media type `application/json` for the response with the status `400` - added the media type `application/json` for the response with the status `401` - added the media type `application/json` for the response with the status `403` - added the media type `application/json` for the response with the status `429` - **2026-10-08** `2ed51b8af657`: 3 breaking, 3 info - removed the media type `application/json` for the response with the status `400` - removed the media type `application/json` for the response with the status `401` - removed the media type `application/json` for the response with the status `403` - added the media type `text/plain` for the response with the status `400` - added the media type `text/plain` for the response with the status `403` - added the non-success response with the status `429` - **2026-10-07** `df1439c724ee`: 2 breaking, 3 info - removed the media type `text/plain` for the response with the status `400` - removed the media type `text/plain` for the response with the status `403` - added the media type `application/json` for the response with the status `400` - added the media type `application/json` for the response with the status `401` - added the media type `application/json` for the response with the status `403` - **2026-09-23** `e25fae2994bd`: 1 warning - the `comment` request property's maxLength was set to `10000` - **2026-08-24** `08bbb5bedb5d`: 2 breaking, 14 info - the response property `eventData` became optional for the status `200` - the `eventData` response's property type changed from `object` to no type for status `200` - 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` - removed the `assignee_changed` enum value from the `type` response property for the response status `200` - removed the `comment` enum value from the `type` response property for the response status `200` - removed the `create` enum value from the `type` response property for the response status `200` - removed the `description_changed` enum value from the `type` response property for the response status `200` - removed the `due_date_changed` enum value from the `type` response property for the response status `200` - removed the `priority_changed` enum value from the `type` response property for the response status `200` - removed the `status_changed` enum value from the `type` response property for the response status `200` - removed the `task` enum value from the `type` response property for the response status `200` - removed the `title_changed` enum value from the `type` response property for the response status `200` - removed the `unassigned` enum value from the `type` response property for the response status `200` - added the required property `updatedAt` to the response with the `200` status - **2026-07-11** `32cece1ebe43`: 3 breaking, 1 info - request body became required - the `createdAt` response's property type changed from no type to `string`, and format from no format to `date-time` for status `200` - the `type` response's property type changed from no type to `string` for status `200` - added the required property `eventData` to the response with the `200` status - **2026-03-05** `c45ef22a736c`: 6 breaking, 6 info - the response property `content` became nullable for the status `200` - the response property `externalSource` became nullable for the status `200` - the response property `externalUrl` became nullable for the status `200` - the response property `externalUserAvatar` became nullable for the status `200` - the response property `externalUserName` became nullable for the status `200` - the response property `userId` became nullable for the status `200` - response property `content` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalSource` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUrl` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUserAvatar` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUserName` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `userId` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-03-04** `298877d6a79a`: 7 breaking - response property `content` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `externalSource` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `externalUrl` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `externalUserAvatar` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `externalUserName` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `userId` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - the `type` response's property type changed from `string` to no type for status `200` - **2026-02-21** `4b8811b821e6`: 7 breaking, 6 info - the response property `content` became nullable for the status `200` - the response property `externalSource` became nullable for the status `200` - the response property `externalUrl` became nullable for the status `200` - the response property `externalUserAvatar` became nullable for the status `200` - the response property `externalUserName` became nullable for the status `200` - the response property `userId` became nullable for the status `200` - the `type` response's property type changed from no type to `string` for status `200` - response property `content` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalSource` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUrl` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUserAvatar` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `externalUserName` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `userId` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-01-11** `f6c7baa36924`: 1 breaking, 4 info - response property `userId` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - added the required property `externalSource` to the response with the `200` status - added the required property `externalUrl` to the response with the `200` status - added the required property `externalUserAvatar` to the response with the `200` status - added the required property `externalUserName` to the response with the `200` status - **2025-12-14** `38f83a691e6a`: 1 breaking, 10 warning - the `type` response's property type changed from `string` to no type for status `200` - added the new `assignee_changed` enum value to the `type` response property for the response status `200` - added the new `comment` enum value to the `type` response property for the response status `200` - added the new `create` enum value to the `type` response property for the response status `200` - added the new `description_changed` enum value to the `type` response property for the response status `200` - added the new `due_date_changed` enum value to the `type` response property for the response status `200` - added the new `priority_changed` enum value to the `type` response property for the response status `200` - added the new `status_changed` enum value to the `type` response property for the response status `200` - added the new `task` enum value to the `type` response property for the response status `200` - added the new `title_changed` enum value to the `type` response property for the response status `200` - added the new `unassigned` enum value to the `type` response property for the response status `200` - **2025-12-11** `93b231773126`: 1 breaking, 6 info - the response's body type changed from no type to `object` for status `200` - added the required property `content` to the response with the `200` status - added the required property `createdAt` to the response with the `200` status - added the required property `id` to the response with the `200` status - added the required property `taskId` to the response with the `200` status - added the required property `type` to the response with the `200` status - added the required property `userId` to the response with the `200` status --- [Operation](https://skmtc.dev/usekaneo/apis/kaneo-api/docs/activity/comment/post.md) - [API](https://skmtc.dev/usekaneo/apis/kaneo-api.md) - [Page](https://skmtc.dev/usekaneo/apis/kaneo-api/changes/activity/comment/post)