--- title: "Changes to Create a group channel" method: POST path: "/v3/group_channels" --- # Changes to Create a group channel `POST /v3/group_channels` > Every recorded change to this operation, newest first. ## Timeline Changed in 11 of 36 revisions. - **2025-10-17** `b05d4e3c6329`: 1 breaking, 1 warning, 7 info - **2025-07-27** `7a85bad03e90`: 4 breaking, 5 warning, 6 info - **2024-09-24** `375ce8bc9c64`: 1 info - **2024-04-12** `0512c4a77c37`: 1 breaking - **2023-11-10** `135d8b0705d4`: 1 info - **2022-10-10** `45e2df0efd62`: 1 breaking - **2022-08-03** `e7d61563a147`: 1 breaking, 41 info - **2022-07-27** `0b6cf41bc62a`: 3 breaking - **2022-07-21** `a22aad28c07b`: 2 breaking - **2022-02-16** `c42164095c7c`: 1 breaking - **2022-02-10** `a6ec75cbd9fb`: 1 breaking, 35 warning ## Changes - **2025-10-17** `b05d4e3c6329`: 1 breaking, 1 warning, 7 info - the request property `users/items/` became not nullable - removed the request property `users/items/session_tokens` - the request property `access_code` became nullable - the request property `block_sdk_user_channel_join` became nullable - the request property `users/items/discovery_keys` became nullable - the request property `users/items/metadata` became nullable - the request property `users/items/nickname` became nullable - the request property `users/items/preferred_languages` became nullable - the `profile_url` request property default value `` was added - **2025-07-27** `7a85bad03e90`: 4 breaking, 5 warning, 6 info - the request property `users` became required - the request property `users/items/user_id` became required - the `users/items/created_at` request property format changed from no format to `int64` - the `users/items/session_tokens/items/` request property type changed from `object` to `string` - deleted the `header` request parameter `Api-Token` - removed the request property `users/items/description` - removed the request property `users/items/end_at` - removed the request property `users/items/local` - removed the request property `users/items/start_at` - api operation id `gcCreateChannel` removed and replaced with `createAGroupChannel` - added the new optional `header` request parameter `api-token` - added the new optional request property `users/items/state` - added the new optional request property `users/items/unread_channel_count` - added the new optional request property `users/items/unread_message_count` - the request property `user_ids` became optional - **2024-09-24** `375ce8bc9c64`: 1 info - the request property `users/items/` became nullable - **2024-04-12** `0512c4a77c37`: 1 breaking - the `users/items/last_seen_at` request property format changed from no format to `int64` - **2023-11-10** `135d8b0705d4`: 1 info - the `header` request parameter `Api-Token` became optional - **2022-10-10** `45e2df0efd62`: 1 breaking - the `users/items/session_tokens/items/` request property type changed from `string` to `object` - **2022-08-03** `e7d61563a147`: 1 breaking, 41 info - the `users/items/` request property type changed from `string` to `object` - added the new optional request property `users/items/access_token` - added the new optional request property `users/items/created_at` - added the new optional request property `users/items/description` - added the new optional request property `users/items/discovery_keys` - added the new optional request property `users/items/end_at` - added the new optional request property `users/items/has_ever_logged_in` - added the new optional request property `users/items/is_active` - added the new optional request property `users/items/is_created` - added the new optional request property `users/items/is_hide_me_from_friends` - added the new optional request property `users/items/is_online` - added the new optional request property `users/items/is_shadow_blocked` - added the new optional request property `users/items/last_seen_at` - added the new optional request property `users/items/local` - added the new optional request property `users/items/locale` - added the new optional request property `users/items/metadata` - added the new optional request property `users/items/nickname` - added the new optional request property `users/items/phone_number` - added the new optional request property `users/items/preferred_languages` - added the new optional request property `users/items/profile_url` - added the new optional request property `users/items/require_auth_for_profile_image` - added the new optional request property `users/items/session_tokens` - added the new optional request property `users/items/start_at` - added the new optional request property `users/items/user_id` - the request property `access_code` became optional - the request property `block_sdk_user_channel_join` became optional - the request property `channel_url` became optional - the request property `cover_file` became optional - the request property `cover_url` became optional - the request property `custom_type` became optional - the request property `data` became optional - the request property `hidden_status` became optional - the request property `invitation_status` became optional - the request property `inviter_id` became optional - the request property `is_distinct` became optional - the request property `is_ephemeral` became optional - the request property `is_public` became optional - the request property `is_super` became optional - the request property `name` became optional - the request property `operator_ids` became optional - …2 more - **2022-07-27** `0b6cf41bc62a`: 3 breaking - the `hidden_status` request property type changed from `array` to `object` - the `invitation_status` request property type changed from `array` to `object` - the `operator_ids/items/` request property type changed from `integer` to `string` - **2022-07-21** `a22aad28c07b`: 2 breaking - the `user_ids/items/` request property type changed from `integer` to `string` - the `users/items/` request property type changed from `integer` to `string` - **2022-02-16** `c42164095c7c`: 1 breaking - the `header` request parameter `Api-Token` became required - **2022-02-10** `a6ec75cbd9fb`: 1 breaking, 35 warning - the response's body type changed from `object` to no type for status `200` - removed the optional property `channel_url` from the response with the `200` status - removed the optional property `cover_url` from the response with the `200` status - removed the optional property `created_at` from the response with the `200` status - removed the optional property `creator` from the response with the `200` status - removed the optional property `custom_type` from the response with the `200` status - removed the optional property `data` from the response with the `200` status - removed the optional property `hidden_state` from the response with the `200` status - removed the optional property `invited_at` from the response with the `200` status - removed the optional property `inviter` from the response with the `200` status - removed the optional property `is_access_code_required` from the response with the `200` status - removed the optional property `is_broadcast` from the response with the `200` status - removed the optional property `is_discoverable` from the response with the `200` status - removed the optional property `is_distinct` from the response with the `200` status - removed the optional property `is_ephemeral` from the response with the `200` status - removed the optional property `is_frozen` from the response with the `200` status - removed the optional property `is_hidden` from the response with the `200` status - removed the optional property `is_public` from the response with the `200` status - removed the optional property `is_push_enabled` from the response with the `200` status - removed the optional property `is_super` from the response with the `200` status - removed the optional property `joined_at` from the response with the `200` status - removed the optional property `joined_member_count` from the response with the `200` status - removed the optional property `last_message` from the response with the `200` status - removed the optional property `member_count` from the response with the `200` status - removed the optional property `members` from the response with the `200` status - removed the optional property `message_offset_timestamp` from the response with the `200` status - removed the optional property `message_survival_seconds` from the response with the `200` status - removed the optional property `my_count_preference` from the response with the `200` status - removed the optional property `my_last_read` from the response with the `200` status - removed the optional property `my_member_state` from the response with the `200` status - removed the optional property `my_muted_state` from the response with the `200` status - removed the optional property `my_push_trigger_option` from the response with the `200` status - removed the optional property `my_role` from the response with the `200` status - removed the optional property `name` from the response with the `200` status - removed the optional property `unread_mention_count` from the response with the `200` status - removed the optional property `unread_message_count` from the response with the `200` status --- [Operation](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/docs/v3/group_channels/post.md) - [API](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk.md) - [Page](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/changes/v3/group_channels/post)