--- title: "Changes to Create campaign" method: POST path: "/campaigns" --- # Changes to Create campaign `POST /campaigns` > Every recorded change to this operation, newest first. > 576 revisions in range; 3 not diffed. ## Timeline Changed in 8 of 576 revisions. - **2026-10-28** `678ca18d68f0`: 2 breaking - **2026-10-12** `30f95dce0284`: 2 info - **2026-08-12** `bb4f84a3469c`: 1 breaking - **2026-07-29** `d274674f0337`: 6 breaking, 2 info - **2026-04-29** `1d24058ecd33`: 1 info - **2023-10-20** `168698649960`: 1 breaking - **2023-06-19** `1c08d6b56ba4`: 2 breaking, 64 info - **2023-05-16** `f6f95dfaa122`: 2 breaking, 64 warning ## Changes - **2026-10-28** `678ca18d68f0`: 2 breaking - the response property `campaign/sender_mode` became optional for the status `201` - the response property `campaign/sender_visibility` became optional for the status `201` - **2026-10-12** `30f95dce0284`: 2 info - added the optional property `cooldown_remaining_ms` to the response with the `400` status - added the optional property `cooldown_remaining_ms` to the response with the `429` status - **2026-08-12** `bb4f84a3469c`: 1 breaking - the `campaign/stats/progress` response's property format changed from `float` to `double` for status `201` - **2026-07-29** `d274674f0337`: 6 breaking, 2 info - the response property `campaign/sender/privacy_settings/delivery_receipts/enabled` became optional for the status `201` - the response property `campaign/sender/privacy_settings/read_receipts/enabled` became optional for the status `201` - the response property `campaign/sender/privacy_settings/typing_indicators/enabled` became optional for the status `201` - the response property `campaign/users/items/privacy_settings/delivery_receipts/enabled` became optional for the status `201` - the response property `campaign/users/items/privacy_settings/read_receipts/enabled` became optional for the status `201` - the response property `campaign/users/items/privacy_settings/typing_indicators/enabled` became optional for the status `201` - added the optional property `campaign/sender/devices/items/hardware_id` to the response with the `201` status - added the optional property `campaign/users/items/devices/items/hardware_id` to the response with the `201` status - **2026-04-29** `1d24058ecd33`: 1 info - endpoint added - **2023-10-20** `168698649960`: 1 breaking - api path removed without deprecation - **2023-06-19** `1c08d6b56ba4`: 2 breaking, 64 info - the `code` response's property type changed from `string` to `integer` for status `400` - the `code` response's property type changed from `string` to `integer` for status `429` - removed the `access-key-error` enum value from the `code` response property for the response status `400` - removed the `access-key-error` enum value from the `code` response property for the response status `429` - removed the `app-suspended` enum value from the `code` response property for the response status `400` - removed the `app-suspended` enum value from the `code` response property for the response status `429` - removed the `auth-failed` enum value from the `code` response property for the response status `400` - removed the `auth-failed` enum value from the `code` response property for the response status `429` - removed the `channel-feature-not-supported` enum value from the `code` response property for the response status `400` - removed the `channel-feature-not-supported` enum value from the `code` response property for the response status `429` - removed the `connection-id-not-found` enum value from the `code` response property for the response status `400` - removed the `connection-id-not-found` enum value from the `code` response property for the response status `429` - removed the `cool-down` enum value from the `code` response property for the response status `400` - removed the `cool-down` enum value from the `code` response property for the response status `429` - removed the `custom-command-endpoint-missing` enum value from the `code` response property for the response status `400` - removed the `custom-command-endpoint-missing` enum value from the `code` response property for the response status `429` - removed the `custom-command-endpoint=call-error` enum value from the `code` response property for the response status `400` - removed the `custom-command-endpoint=call-error` enum value from the `code` response property for the response status `429` - removed the `duplicate-username` enum value from the `code` response property for the response status `400` - removed the `duplicate-username` enum value from the `code` response property for the response status `429` - removed the `event-not-supported` enum value from the `code` response property for the response status `400` - removed the `event-not-supported` enum value from the `code` response property for the response status `429` - removed the `expired-token` enum value from the `code` response property for the response status `400` - removed the `expired-token` enum value from the `code` response property for the response status `429` - removed the `input-error` enum value from the `code` response property for the response status `400` - removed the `input-error` enum value from the `code` response property for the response status `429` - removed the `internal-error` enum value from the `code` response property for the response status `400` - removed the `internal-error` enum value from the `code` response property for the response status `429` - removed the `invalid-token-signature` enum value from the `code` response property for the response status `400` - removed the `invalid-token-signature` enum value from the `code` response property for the response status `429` - removed the `message-too-long` enum value from the `code` response property for the response status `400` - removed the `message-too-long` enum value from the `code` response property for the response status `429` - removed the `moderation-failed` enum value from the `code` response property for the response status `400` - removed the `moderation-failed` enum value from the `code` response property for the response status `429` - removed the `multiple-nesting-level` enum value from the `code` response property for the response status `400` - removed the `multiple-nesting-level` enum value from the `code` response property for the response status `429` - removed the `not-allowed` enum value from the `code` response property for the response status `400` - removed the `not-allowed` enum value from the `code` response property for the response status `429` - removed the `not-found` enum value from the `code` response property for the response status `400` - removed the `not-found` enum value from the `code` response property for the response status `429` - …26 more - **2023-05-16** `f6f95dfaa122`: 2 breaking, 64 warning - the `code` response's property type changed from `integer` to `string` for status `400` - the `code` response's property type changed from `integer` to `string` for status `429` - added the new `access-key-error` enum value to the `code` response property for the response status `400` - added the new `access-key-error` enum value to the `code` response property for the response status `429` - added the new `app-suspended` enum value to the `code` response property for the response status `400` - added the new `app-suspended` enum value to the `code` response property for the response status `429` - added the new `auth-failed` enum value to the `code` response property for the response status `400` - added the new `auth-failed` enum value to the `code` response property for the response status `429` - added the new `channel-feature-not-supported` enum value to the `code` response property for the response status `400` - added the new `channel-feature-not-supported` enum value to the `code` response property for the response status `429` - added the new `connection-id-not-found` enum value to the `code` response property for the response status `400` - added the new `connection-id-not-found` enum value to the `code` response property for the response status `429` - added the new `cool-down` enum value to the `code` response property for the response status `400` - added the new `cool-down` enum value to the `code` response property for the response status `429` - added the new `custom-command-endpoint-missing` enum value to the `code` response property for the response status `400` - added the new `custom-command-endpoint-missing` enum value to the `code` response property for the response status `429` - added the new `custom-command-endpoint=call-error` enum value to the `code` response property for the response status `400` - added the new `custom-command-endpoint=call-error` enum value to the `code` response property for the response status `429` - added the new `duplicate-username` enum value to the `code` response property for the response status `400` - added the new `duplicate-username` enum value to the `code` response property for the response status `429` - added the new `event-not-supported` enum value to the `code` response property for the response status `400` - added the new `event-not-supported` enum value to the `code` response property for the response status `429` - added the new `expired-token` enum value to the `code` response property for the response status `400` - added the new `expired-token` enum value to the `code` response property for the response status `429` - added the new `input-error` enum value to the `code` response property for the response status `400` - added the new `input-error` enum value to the `code` response property for the response status `429` - added the new `internal-error` enum value to the `code` response property for the response status `400` - added the new `internal-error` enum value to the `code` response property for the response status `429` - added the new `invalid-token-signature` enum value to the `code` response property for the response status `400` - added the new `invalid-token-signature` enum value to the `code` response property for the response status `429` - added the new `message-too-long` enum value to the `code` response property for the response status `400` - added the new `message-too-long` enum value to the `code` response property for the response status `429` - added the new `moderation-failed` enum value to the `code` response property for the response status `400` - added the new `moderation-failed` enum value to the `code` response property for the response status `429` - added the new `multiple-nesting-level` enum value to the `code` response property for the response status `400` - added the new `multiple-nesting-level` enum value to the `code` response property for the response status `429` - added the new `not-allowed` enum value to the `code` response property for the response status `400` - added the new `not-allowed` enum value to the `code` response property for the response status `429` - added the new `not-found` enum value to the `code` response property for the response status `400` - added the new `not-found` enum value to the `code` response property for the response status `429` - …26 more --- [Operation](https://skmtc.dev/getstream/apis/stream-api/docs/campaigns/post.md) - [API](https://skmtc.dev/getstream/apis/stream-api.md) - [Page](https://skmtc.dev/getstream/apis/stream-api/changes/campaigns/post)