/conversations.list

{
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      "name": "general",
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      "purpose": {
        "creator": "",
        "last_set": 0,
        "value": "This channel is for team-wide communication and announcements. All team members are in this channel."
      },
      "topic": {
        "creator": "",
        "last_set": 0,
        "value": "Company-wide announcements and work-based matters"
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    },
    {
      "created": 1449252889,
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      "name": "random",
      "name_normalized": "random",
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      "pending_shared": [],
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      "purpose": {
        "creator": "",
        "last_set": 0,
        "value": "A place for non-work-related flimflam, faffing, hodge-podge or jibber-jabber you'd prefer to keep out of more focused work-related channels."
      },
      "topic": {
        "creator": "",
        "last_set": 0,
        "value": "Non-work banter and water cooler conversation"
      },
      "unlinked": 0
    }
  ],
  "ok": true,
  "response_metadata": {
    "next_cursor": "dGVhbTpDMDYxRkE1UEI="
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}