{
  "args": {
    "channel": {
      "desc": "Channel where the item is pinned to. The `channel` argument is required and one of `file`, `file_comment`, or `timestamp` must also be specified.",
      "required": true,
      "type": "string"
    },
    "timestamp": {
      "desc": "Timestamp of the message to un-pin. The `channel` argument is required and one of `file`, `file_comment`, or `timestamp` must also be specified.",
      "required": false,
      "type": "string"
    }
  },
  "desc": "Un-pins an item from a channel.",
  "errors": {
    "bad_timestamp": "Value passed for `timestamp` was invalid.",
    "channel_not_found": "The `channel` argument was not specified or was invalid",
    "external_channel_migrating": "Channel is undergoing an active migration.",
    "file_comment_not_found": "File comment specified by `file_comment` does not exist.",
    "file_not_found": "File specified by `file` does not exist.",
    "message_not_found": "Message specified by `channel` and `timestamp` does not exist.",
    "no_item_specified": "One of `file`, `file_comment`, or `timestamp` was not specified.",
    "no_pin": "The pin could not be found.",
    "not_pinned": "The specified item is not pinned to the channel.",
    "restricted_action": "The user does not have permission to remove pins from the channel."
  },
  "rate_limit": {
    "label": "Tier 2: 20+ per minute",
    "url": "https://docs.slack.dev/apis/web-api/rate-limits"
  },
  "scopes": {
    "bot": [
      {
        "name": "pins:write",
        "url": "https://docs.slack.dev/reference/scopes/pins.write"
      }
    ],
    "user": [
      {
        "name": "pins:write",
        "url": "https://docs.slack.dev/reference/scopes/pins.write"
      }
    ]
  }
}