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This method returns a list of all channels in the team. This includes channels the caller is in, channels they are not currently in, and archived channels but does not include private channels. The number of (non-deactivated) members in each channel is also returned.

To retrieve a list of private channels, use groups.list.


This method has the URL and follows the Slack Web API calling conventions.

Argument Example Required Description
token xxxx-xxxxxxxxx-xxxx Required

Authentication token (Requires scope: channels:read)

exclude_archived 1 Optional, default=0

Don't return archived channels.


Returns a list of limited channel objects:

    "ok": true,
    "channels": [
            "id": "C024BE91L",
            "name": "fun",
            "created": 1360782804,
            "creator": "U024BE7LH",
            "is_archived": false,
            "is_member": false,
            "num_members": 6,
            "topic": {
                "value": "Fun times",
                "creator": "U024BE7LV",
                "last_set": 1369677212
            "purpose": {
                "value": "This channel is for fun",
                "creator": "U024BE7LH",
                "last_set": 1360782804

To get a full channel object, call the method.


This table lists the expected errors that this method will 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

No authentication token provided.


Invalid authentication token.


Authentication token is for a deleted user or team.


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.


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


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.


The method was called via a POST request, but the specified Content-Type was invalid. Valid types are: application/json application/x-www-form-urlencoded multipart/form-data text/plain.


The method was called via a POST request and included a data payload, but the request did not include a Content-Type header.


The method was called via a POST request, but the POST data was either missing or truncated.