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Zapier makes it easy to integrate Slack with Square - no code necessary. See how you can get setup in minutes.
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Slack
Slack
1. Choose trigger event
Square
Square
2. Choose action
1. Select the event
Setup
Test
Slack
Choose a trigger event
Choose a trigger
A trigger is the event that starts your Zap—like a "New Public Message Posted Anywhere" from Slack.
Add your action
An action happens after the trigger—such as "Add Customer to Group" in Square.
You’re connected!
Zapier seamlessly connects Slack and Square, automating your workflow.
Supported triggers and actions
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
Create a new record or update an existing record in your app.
Conversation ID
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Users
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Title
Content
Channel ID
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Send Multi Message
Message Text
Required
Send as a bot?
Include a link to this automation?
Attach Image by URL
Auto-Expand Links?
Link Usernames and Channel Names?
Schedule At
Zap_id
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Allowed_edit_copy
Conversation ID
Required
Message TS (ID)
Required
Posted By
Content Type
Reply Broadcast
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Add Zapier app to channel automatically?
Message Text
Required
Send as a bot?
Bot Name
Bot Icon
Include a link to this automation?
Attach Image by URL
Auto-Expand Links?
Link Usernames and Channel Names?
Schedule At
Zap_id
File
Thread
Send Channel Message?
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Topic
Required
Topic set by
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Status Text
Status Emoji
Expiration Time
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Remove User from Channel
This action removes a specified user from a specified channel in Slack.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Edit Message
This action updates a specific message sent by the same Authenticated user on Slack. You need to provide the Channel ID, the Timestamp of the message to be edited, and the new text for the message.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Find Public Channel
This action will find a public channel in Slack using either the channel's ID or name.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Delete Message
This action deletes an existing message in a specific channel on Slack. You need to provide the channel ID and the message timestamp as inputs.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Create a new record or update an existing record in your app.
First Name
Last Name
Email_address
Phone_number
Country
Street Address
Apt./Suite
City
State
ZIP
Other
Company
Nickname
Reference_id
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Location
Required
Customer ID
External Identifier
Buyer Email Address
Payment Type
Required
Payment Note
Quantity
Required
Amount
Required
Currency
Required
Line Item Name
Catalog Item Variation ID
Pickup
Display Name
Carrier
Expected Ship Date/Time
Shipping Note
Fulfillment Email Address
Phone number of the fulfillment recipient
Address Line 1
Address Line 2
State
County
Country
City
Postal Code
Discount Type
Name
Percentage
Amount Discounted
Discount Currency
Name
Percentage
Type
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Customer ID
Required
Group
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Customer
Required
Attribute
Required
Value
Required
Idempotency Key
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Stop on error
Required
HTTP Method
Required
URL
Required
Query string parameters
Additional request headers
Body
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Field_help
Email_address
Phone Number
Reference ID
Action
This is an event a Zap performs.
Search
Find existing data in your app
Field_help
Text Filter
Location
Action
This is an event a Zap performs.
Search
Find existing data in your app
Field_help
Email_address
Phone Number
Reference ID
First Name
Last Name
Country
Street Address
Apt./Suite
City
State
ZIP
Other
Company
Nickname
Action
This is an event a Zap performs.
Search or write
Find existing data in your app, or create a new record if no data is found
For AI agents & developers
Use Slack and Square with AI agents and code
Beyond Zap workflows. Call Slack and Square actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.
No code
Connect via Zapier MCP
Expose Slack and Square actions as tools in any MCP client. Authenticate once, then call them in natural language.
Example actions on this page
Add Reaction
Add Customer to Group
Works with
Claude · ChatGPT · Cursor · any MCP-compatible client
There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.
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Customers who say using Zapier has made them better at their job
25m
Customers have created over 25 million Zaps on the platform
6 mins
The average user takes less than 6 minutes to set up a Zap
Connect Slack and Square to integrate crucial parts of your business
With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.
Automate your lead management and improve conversions
With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.
Create more impactful campaigns with automation
Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.
Provide world-class support with a little help from automation
Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.
Automate your way to actionable, up-to-date data
The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.
Resolve incidents faster with automation
Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.
Learn how to automate Slack on the Zapier blog
Learn how to automate Square on the Zapier blog
Make work flow with AI
Level up your Slack to Square integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.
Frequently Asked Questions about Slack + Square integrations
New to automation with Zapier? You're not alone. Here are some answers to common questions about how Zapier works with Slack and Square
How do I integrate Slack with Square?
To integrate Slack with Square, you need to use our platform's automation capabilities. After signing up, select the Slack and Square apps, then create a 'Zap', which is our term for an automated workflow. Choose a trigger from either Slack or Square and set an action in the other app to establish your desired automation.
What triggers can I use on Square for automating tasks in Slack?
You can use various triggers from Square, such as 'New Payment', 'New Customer', or 'New Transaction'. Once one of these events occurs in Square, it can prompt actions like sending messages or notifications through channels in your Slack workspace.
Can I customize the messages that get sent to Slack when there's a trigger event in Square?
Yes, when setting up your integration, you have the option to customize the content of the message sent to Slack. You can include specific details from the event data provided by Square’s triggers to tailor these messages according to your team's requirements.
What happens if a transaction fails between Square and Slack?
If a transaction fails during the integration process between Square and Slack, our system will notify you within your dashboard. You can also choose alternate actions or notifications in case of an error during your setup.
Is there any way to track payments made in Square directly from Slack?
Yes, you can track payments made in Square directly from Slack by setting up a Zap where payment-related triggers from Square send alerts or summaries to specific channels or users within your team's Slack workspace.
What types of actions are supported by our platform for integrating with Slack using triggers from other services like Square?
Our platform supports various actions for integrating with Slack based on external triggers. These actions include sending channel messages, directing private messages to users, updating statuses, and much more—all customizable based on trigger events occurring in services like Square.
Are there any limits on how many automations I can create between my Slack and Square accounts?
The number of Zaps or automated workflows you can create between your slack and square accounts depends on your subscription plan with us. Different plans come with varying limits that are designed to meet diverse usage needs.
About Slack
Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Offering instant messaging, document sharing and knowledge search for modern teams.
Square creates tools that help sellers of all sizes start, run and grow their businesses. Square’s point-of-sale service offers tools for every part of running a business, from accepting credit cards and tracking inventory to real-time analytics and invoicing.
