---
title: "Changes to Block a user"
method: POST
path: "/v3/users/{user_id}/block"
---

# Changes to Block a user

`POST /v3/users/{user_id}/block`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 8 of 36 revisions.

- **2025-10-17** `b05d4e3c6329`: 4 breaking, 1 warning, 1 info
- **2025-07-27** `7a85bad03e90`: 2 breaking, 3 warning, 26 info
- **2023-11-10** `135d8b0705d4`: 1 info
- **2022-07-27** `0b6cf41bc62a`: 2 breaking
- **2022-06-29** `4012275aa67d`: 2 info
- **2022-05-03** `5299c01f7f16`: 1 breaking, 2 info
- **2022-02-16** `c42164095c7c`: 1 breaking
- **2022-02-10** `a6ec75cbd9fb`: 1 breaking, 12 warning

## Changes

- **2025-10-17** `b05d4e3c6329`: 4 breaking, 1 warning, 1 info
  - the response property `users/items/discovery_keys` became nullable for the status `200`
  - the response property `users/items/metadata` became nullable for the status `200`
  - the response property `users/items/nickname` became nullable for the status `200`
  - the response property `users/items/preferred_languages` became nullable for the status `200`
  - removed the optional property `users/items/session_tokens` from the response with the `200` status
  - the `profile_url` response's property default value `` was added for the status `200`
- **2025-07-27** `7a85bad03e90`: 2 breaking, 3 warning, 26 info
  - the response property `users/items/` became nullable for the status `200`
  - the `users/items/` response's property type changed from `string` to `object` for status `200`
  - deleted the `header` request parameter `Api-Token`
  - removed the request property `user_id`
  - removed the request property `users`
  - api operation id `blockUser` removed and replaced with `blockAUser`
  - added the new optional `header` request parameter `api-token`
  - the request property `target_id` became optional
  - the request property `user_ids` became optional
  - added the optional property `users/items/access_token` to the response with the `200` status
  - added the optional property `users/items/created_at` to the response with the `200` status
  - added the optional property `users/items/discovery_keys` to the response with the `200` status
  - added the optional property `users/items/has_ever_logged_in` to the response with the `200` status
  - added the optional property `users/items/is_active` to the response with the `200` status
  - added the optional property `users/items/is_created` to the response with the `200` status
  - added the optional property `users/items/is_hide_me_from_friends` to the response with the `200` status
  - added the optional property `users/items/is_online` to the response with the `200` status
  - added the optional property `users/items/is_shadow_blocked` to the response with the `200` status
  - added the optional property `users/items/last_seen_at` to the response with the `200` status
  - added the optional property `users/items/locale` to the response with the `200` status
  - added the optional property `users/items/metadata` to the response with the `200` status
  - added the optional property `users/items/nickname` to the response with the `200` status
  - added the optional property `users/items/phone_number` to the response with the `200` status
  - added the optional property `users/items/preferred_languages` to the response with the `200` status
  - added the optional property `users/items/profile_url` to the response with the `200` status
  - added the optional property `users/items/require_auth_for_profile_image` to the response with the `200` status
  - added the optional property `users/items/session_tokens` to the response with the `200` status
  - added the optional property `users/items/state` to the response with the `200` status
  - added the optional property `users/items/unread_channel_count` to the response with the `200` status
  - added the optional property `users/items/unread_message_count` to the response with the `200` status
  - added the required property `users/items/user_id` to the response with the `200` status
- **2023-11-10** `135d8b0705d4`: 1 info
  - the `header` request parameter `Api-Token` became optional
- **2022-07-27** `0b6cf41bc62a`: 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`
- **2022-06-29** `4012275aa67d`: 2 info
  - api tag `Moderation` added
  - api tag `User` removed
- **2022-05-03** `5299c01f7f16`: 1 breaking, 2 info
  - the response's body type changed from no type to `object` for status `200`
  - added the optional property `next` to the response with the `200` status
  - added the optional property `users` to the response with the `200` status
- **2022-02-16** `c42164095c7c`: 1 breaking
  - the `header` request parameter `Api-Token` became required
- **2022-02-10** `a6ec75cbd9fb`: 1 breaking, 12 warning
  - the response's body type changed from `object` to no type for status `200`
  - removed the optional property `connection_status` from the response with the `200` status
  - removed the optional property `friend_discovery_key` from the response with the `200` status
  - removed the optional property `friend_name` from the response with the `200` status
  - removed the optional property `is_active` from the response with the `200` status
  - removed the optional property `last_seen_at` from the response with the `200` status
  - removed the optional property `meta_data` from the response with the `200` status
  - removed the optional property `nickname` from the response with the `200` status
  - removed the optional property `plain_profile_url` from the response with the `200` status
  - removed the optional property `preferred_languages` from the response with the `200` status
  - removed the optional property `profile_url` from the response with the `200` status
  - removed the optional property `require_auth` from the response with the `200` status
  - removed the optional property `user_id` from the response with the `200` status

---

[Operation](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/docs/v3/users/:user_id/block/post.md) - [API](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk.md) - [Page](https://skmtc.dev/sendbird/apis/sendbird-platform-sdk/changes/v3/users/:user_id/block/post)
