pins.add

Pins an item to a channel.

Supported token types:

bot workspace user

Expected scopes:

pins:write post

This method pins an item (file, file comment, channel message, or group message) to a particular channel. The channel argument is required and one of file, file_comment, or timestamp must also be specified.

Note that you cannot pin join/leave messages in channels and groups.

Arguments

This method has the URL https://slack.com/api/pins.add and follows the Slack Web API calling conventions.

Present these parameters as part of an application/x-www-form-urlencoded querystring or POST body. application/json is not currently accepted.

Argument	Example	Required	Description
`token`	`xxxx-xxxxxxxxx-xxxx`	Required	Authentication token bearing required scopes.
`channel`	`C1234567890`	Required	Channel to pin the item in.
`file`	`F1234567890`	Optional	File to pin.
`file_comment`	`Fc1234567890`	Optional	File comment to pin.
`timestamp`	`1234567890.123456`	Optional	Timestamp of the message to pin.

Response

{
    "ok": true
}

After making this call the pin is saved to the database and a pin_added event is broadcast via the RTM API.

Errors

This table lists the expected errors that this method could return. However, other errors can be returned in the case where the service is down or other unexpected factors affect processing. Callers should always check the value of the ok params in the response.

Error	Description
`bad_timestamp`	Value passed for `timestamp` was invalid.
`file_not_found`	File specified by `file` does not exist.
`file_comment_not_found`	File comment specified by `file_comment` does not exist.
`message_not_found`	Message specified by `channel` and `timestamp` does not exist.
`channel_not_found`	The `channel` argument was not specified or was invalid
`no_item_specified`	One of `file`, `file_comment`, or `timestamp` was not specified.
`already_pinned`	The specified item is already pinned to the channel.
`permission_denied`	The user does not have permission to add pins to the channel.
`file_not_shared`	File specified by `file` is not public nor shared to the channel.
`not_pinnable`	This message type is not pinnable.
`not_authed`	No authentication token provided.
`invalid_auth`	Invalid authentication token.
`account_inactive`	Authentication token is for a deleted user or workspace.
`invalid_arg_name`	The method was passed an argument whose name falls outside the bounds of accepted or expected values. This includes very long names and names with non-alphanumeric characters other than `_`. If you get this error, it is typically an indication that you have made a very malformed API call.
`invalid_array_arg`	The method was passed a PHP-style array argument (e.g. with a name like `foo[7]`). These are never valid with the Slack API.
`invalid_charset`	The method was called via a `POST` request, but the `charset` specified in the `Content-Type` header was invalid. Valid charset names are: `utf-8` `iso-8859-1`.
`invalid_form_data`	The method was called via a `POST` request with `Content-Type` `application/x-www-form-urlencoded` or `multipart/form-data`, but the form data was either missing or syntactically invalid.
`invalid_post_type`	The method was called via a `POST` request, but the specified `Content-Type` was invalid. Valid types are: `application/x-www-form-urlencoded` `multipart/form-data` `text/plain`.
`missing_post_type`	The method was called via a `POST` request and included a data payload, but the request did not include a `Content-Type` header.
`team_added_to_org`	The workspace associated with your request is currently undergoing migration to an Enterprise Organization. Web API and other platform operations will be intermittently unavailable until the transition is complete.
`request_timeout`	The method was called via a `POST` request, but the `POST` data was either missing or truncated.

Warnings

This table lists the expected warnings that this method will return. However, other warnings can be returned in the case where the service is experiencing unexpected trouble.

Warning	Description
`missing_charset`	The method was called via a `POST` request, and recommended practice for the specified `Content-Type` is to include a `charset` parameter. However, no `charset` was present. Specifically, non-form-data content types (e.g. `text/plain`) are the ones for which `charset` is recommended.
`superfluous_charset`	The method was called via a `POST` request, and the specified `Content-Type` is not defined to understand the `charset` parameter. However, `charset` was in fact present. Specifically, form-data content types (e.g. `multipart/form-data`) are the ones for which `charset` is superfluous.