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<!DOCTYPE html>

<head>

<title>Basic Usage — Slack Developer Kit for Python</title>

</head>

</a>

</a>

<a style="color: #555459;" href="./index.html">Slack Developer Kit for Python</a>

<a href="https://github.com/SlackAPI/python-slackclient" class="btn header_btn float_right" data-qa="go_to_slack">Go to GitHub</a>

</div>

</header>

<li class="toctree-l1"><a class="reference internal" href="index.html">Slack Developer Kit for Python</a></li>

<li class="toctree-l1"><a class="reference internal" href="auth.html">Tokens & Authentication</a><ul>

<li class="toctree-l2"><a class="reference internal" href="auth.html#handling-tokens-and-other-sensitive-data">Handling tokens and other sensitive data</a></li>

<li class="toctree-l2"><a class="reference internal" href="auth.html#test-tokens">Test Tokens</a></li>

<li class="toctree-l2"><a class="reference internal" href="auth.html#the-oauth-flow">The OAuth flow</a></li>

</ul>

</li>

<li class="toctree-l1 current"><a class="current reference internal" href="#">Basic Usage</a><ul>

<li class="toctree-l2"><a class="reference internal" href="#sending-a-message">Sending a message</a></li>

<li class="toctree-l2"><a class="reference internal" href="#updating-the-content-of-a-message">Updating the content of a message</a></li>

<li class="toctree-l2"><a class="reference internal" href="#deleting-a-message">Deleting a message</a></li>

<li class="toctree-l2"><a class="reference internal" href="#adding-or-removing-an-emoji-reaction">Adding or removing an emoji reaction</a></li>

<li class="toctree-l2"><a class="reference internal" href="#getting-a-list-of-channels">Getting a list of channels</a></li>

<li class="toctree-l2"><a class="reference internal" href="#getting-a-channel-s-info">Getting a channel’s info</a></li>

<li class="toctree-l2"><a class="reference internal" href="#joining-a-channel">Joining a channel</a></li>

<li class="toctree-l2"><a class="reference internal" href="#leaving-a-channel">Leaving a channel</a></li>

<li class="toctree-l2"><a class="reference internal" href="#get-a-list-of-team-members">Get a list of team members</a></li>

</ul>

</li>

<li class="toctree-l1"><a class="reference internal" href="real_time_messaging.html">Real Time Messaging</a><ul>

<li class="toctree-l2"><a class="reference internal" href="real_time_messaging.html#connecting-to-the-real-time-messaging-api">Connecting to the Real Time Messaging API</a></li>

<li class="toctree-l2"><a class="reference internal" href="real_time_messaging.html#rtm-events">RTM Events</a></li>

<li class="toctree-l2"><a class="reference internal" href="real_time_messaging.html#sending-messages-via-the-rtm-api">Sending messages via the RTM API</a></li>

</ul>

</li>

<li class="toctree-l1"><a class="reference internal" href="faq.html">Frequently Asked Questions</a><ul>

<li class="toctree-l2"><a class="reference internal" href="faq.html#what-even-is-product-name-and-why-should-i-care">What even is Slack Developer Kit for Python and why should I care?</a></li>

<li class="toctree-l2"><a class="reference internal" href="faq.html#omg-i-found-a-bug">OMG I found a bug!</a></li>

<li class="toctree-l2"><a class="reference internal" href="faq.html#hey-there-s-a-feature-missing">Hey, there’s a feature missing!</a></li>

<li class="toctree-l2"><a class="reference internal" href="faq.html#i-d-like-to-contribute-but-how">I’d like to contribute...but how?</a></li>

<li class="toctree-l2"><a class="reference internal" href="faq.html#how-do-i-compile-the-documentation">How do I compile the documentation?</a></li>

</ul>

</li>

<li class="toctree-l1"><a class="reference internal" href="changelog.html">Changelog</a><ul>

</ul>

</li>

<li class="toctree-l1"><a class="reference internal" href="about.html">About</a><ul>

<li class="toctree-l2"><a class="reference internal" href="about.html#product-name">Slack Developer Kit for Python</a></li>

</ul>

</li>

</ul>

<li><a href="https://github.com/SlackAPI/python-slackclient/blob/master/LICENSE">License</a></li>

<li><a href="https://github.com/SlackAPI/python-slackclient/blob/master/CODE_OF_CONDUCT.md">Code of Conduct</a></li>

<li><a href="https://github.com/SlackAPI/python-slackclient/blob/master/CONTRIBUTING.md">Contributing</a></li>

<li><a href="https://docs.google.com/a/slack-corp.com/forms/d/e/1FAIpQLSfzjVoCM7ohBnjWf7eDYQxzti1EPpinsIJQA5RAUBwJKRUQHg/viewform">Contributor License Agreement</a></li>

</ul>

Made with by Slack and our Lovely

Community

</div>

</nav>

<div class="section-title">Basic Usage</div>

<h1>Basic Usage<a class="headerlink" href="#basic-usage" title="Permalink to this headline">¶</a></h1>

The Slack Web API allows you to build applications that interact with Slack in more complex ways than the integrations

we provide out of the box.

This package is a modular wrapper designed to make Slack <a class="reference external" href="https://api.slack.com/web">Web API</a> calls simpler and easier for your

app. Provided below are examples of how to interact with commonly used API endpoints, but this is by no means

a complete list. Review the full list of available methods <a class="reference external" href="https://api.slack.com/methods">here</a>.

See <a class="reference internal" href="auth.html#handling-tokens">Tokens & Authentication</a> for API token handling best practices.

<h2>Sending a message<a class="headerlink" href="#sending-a-message" title="Permalink to this headline">¶</a></h2>

The primary use of Slack is sending messages. Whether you’re sending a message

to a user or to a channel, this method handles both.

To send a message to a channel, use the channel’s ID. For IMs, use the user’s ID.

<div class="highlight-python"><div class="highlight"><pre>from slackclient import SlackClient

slack_token = os.environ["SLACK_API_TOKEN"]

sc = SlackClient(slack_token)

sc.api_call(

"chat.postMessage",

channel="#python",

text="Hello from Python! :tada:"

)

</pre></div>

</div>

There are some unique options specific to sending IMs, so be sure to read the channels

section of the <a class="reference external" href="https://api.slack.com/methods/chat.postMessage#channels">chat.postMessage</a>

page for a full list of formatting and authorship options.

</div>

<h2>Updating the content of a message<a class="headerlink" href="#updating-the-content-of-a-message" title="Permalink to this headline">¶</a></h2>

Let’s say you have a bot which posts the status of a request. When that request

is updated, you’ll want to update the message to reflect it’s state. Or your user

might want to fix a typo or change some wording. This is how you’ll make those changes.

sc = SlackClient(slack_token)

sc.api_call(

"chat.update",

ts="1476746830.000003",

channel="C0XXXXXX",

text="Hello from Python! :tada:"

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/chat.update">chat.update</a> for formatting options

and some special considerations when calling this with a bot user.

</div>

<h2>Deleting a message<a class="headerlink" href="#deleting-a-message" title="Permalink to this headline">¶</a></h2>

Sometimes you need to delete things.

sc = SlackClient(slack_token)

sc.api_call(

"chat.delete",

channel="C0XXXXXX",

ts="1476745373.000002"

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/chat.delete">chat.delete</a> for more info.

</div>

<h2>Adding or removing an emoji reaction<a class="headerlink" href="#adding-or-removing-an-emoji-reaction" title="Permalink to this headline">¶</a></h2>

You can quickly respond to any message on Slack with an emoji reaction. Reactions

can be used for any purpose: voting, checking off to-do items, showing excitement — and just for fun.

This method adds a reaction (emoji) to an item (<code class="docutils literal">file</code>, <code class="docutils literal">file comment</code>, <code class="docutils literal">channel message</code>, <code class="docutils literal">group message</code>, or <code class="docutils literal">direct message</code>). One of file, file_comment, or the combination of channel and timestamp must be specified.

sc = SlackClient(slack_token)

sc.api_call(

"reactions.add",

channel="C0XXXXXXX",

name="thumbsup",

timestamp="1234567890.123456"

)

</pre></div>

</div>

Removing an emoji reaction is basically the same format, but you’ll use <code class="docutils literal">reactions.remove</code> instead of <code class="docutils literal">reactions.add</code>

<div class="highlight-python"><div class="highlight"><pre>sc.api_call(

"reactions.remove",

channel="C0XXXXXXX",

name="thumbsup",

timestamp="1234567890.123456"

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/reactions.add">reactions.add</a> and <a class="reference external" href="https://api.slack.com/methods/reactions.remove">reactions.remove</a> for more info.

</div>

<h2>Getting a list of channels<a class="headerlink" href="#getting-a-list-of-channels" title="Permalink to this headline">¶</a></h2>

At some point, you’ll want to find out what channels are available to your app. This is how you get that list.

Note: This call requires the <code class="docutils literal">channels:read</code> scope.

sc = SlackClient(slack_token)

sc.api_call("channels.list")

</pre></div>

</div>

Archived channels are included by default. You can exclude them by passing <code class="docutils literal">exclude_archived=1</code> to your request.

sc = SlackClient(slack_token)

sc.api_call(

"channels.list",

exclude_archived=1

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/channels.list">channels.list</a> for more info.

</div>

<h2>Getting a channel’s info<a class="headerlink" href="#getting-a-channel-s-info" title="Permalink to this headline">¶</a></h2>

Once you have the ID for a specific channel, you can fetch information about that channel.

sc = SlackClient(slack_token)

sc.api_call(

"channels.info",

channel="C0XXXXXXX"

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/channels.info">channels.info</a> for more info.

</div>

<h2>Joining a channel<a class="headerlink" href="#joining-a-channel" title="Permalink to this headline">¶</a></h2>

Channels are the social hub of most Slack teams. Here’s how you hop into one:

sc = SlackClient(slack_token)

sc.api_call(

"channels.join",

channel="C0XXXXXXY"

)

</pre></div>

</div>

If you are already in the channel, the response is slightly different.

<code class="docutils literal">already_in_channel</code> will be true, and a limited <code class="docutils literal">channel</code> object will be returned. Bot users cannot join a channel on their own, they need to be invited by another user.

See <a class="reference external" href="https://api.slack.com/methods/channels.join">channels.join</a> for more info.

</div>

<h2>Leaving a channel<a class="headerlink" href="#leaving-a-channel" title="Permalink to this headline">¶</a></h2>

Maybe you’ve finished up all the business you had in a channel, or maybe you

joined one by accident. This is how you leave a channel.

sc</spa 60A7 n> = SlackClient(slack_token)

sc.api_call(

"channels.leave",

channel="C0XXXXXXX"

)

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/channels.leave">channels.leave</a> for more info.

</div>

<h2>Get a list of team members<a class="headerlink" href="#get-a-list-of-team-members" title="Permalink to this headline">¶</a></h2>

sc = SlackClient(slack_token)

sc.api_call("users.list")

</pre></div>

</div>

See <a class="reference external" href="https://api.slack.com/methods/users.list">users.list</a> for more info.

</div>

</div>

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