

How to Send Basecamp Updates to Slack with Make
Automatically post Basecamp project updates, milestones, and task completions to designated Slack channels when they happen.
Steps and UI details are based on platform versions at time of writing — check each platform for the latest interface.
Best for
Teams that manage projects in Basecamp but communicate primarily in Slack channels
Not ideal for
Teams already using Basecamp's native Slack integration or those needing two-way sync
Sync type
real-timeUse case type
notificationReal-World Example
A 12-person marketing agency uses this to post all Basecamp project updates to their #client-projects Slack channel. Before automation, project managers manually copied updates between tools 4-5 times daily, and team members missed critical milestone changes for hours.
What Will This Cost?
Drag the slider to your expected monthly volume.
Each platform counts differently — Zapier: 1 task per trigger. Make: 1 operation per module per record. n8n: 1 execution per run.





Prices shown for annual billing. Based on published pricing as of April 2026.
Estimated ROI
1000
min saved/mo
$583
labor value/mo
Free
no platform cost
Based on ~2 min manual effort per operation at $35/hr fully loaded labor cost.
Implementation
Import this workflow directly into Make
Copy the pre-built Make blueprint and paste it straight into Make. All modules, filters, and field mappings are already configured — you just need to connect your accounts.
Before You Start
Make sure you have everything ready.
Field Mapping
Map these fields between your apps.
| Field | API Name | |
|---|---|---|
| Required | ||
| Project Name | ||
| Update Title | ||
| Update Content | ||
| Author Name | ||
| Event Type | ||
3 optional fields▸ show
| Basecamp URL | |
| Created Date | |
| Task Status |
Step-by-Step Setup
Dashboard > Create a New Scenario
Create new scenario in Make
Log into Make and click Create a New Scenario. You'll see the scenario builder with an empty canvas. Click the large plus icon in the center to add your first module. This opens the app selection dialog where you'll choose your trigger.
- 1Click 'Create a New Scenario' from your dashboard
- 2Click the large plus icon in the scenario canvas
- 3Search for 'Basecamp' in the app list
- 4Select 'Basecamp 3' from the results
Basecamp 3 > Watch Events
Configure Basecamp webhook trigger
Select 'Watch Events' as your trigger module. This creates a webhook that Basecamp will ping whenever project events occur. Make generates a unique webhook URL that you'll need to copy for the next step. The webhook supports multiple event types from the same Basecamp account.
- 1Choose 'Watch Events' from the Basecamp module options
- 2Click 'Add' next to the Connection field
- 3Enter your Basecamp account credentials to authenticate
- 4Copy the webhook URL that Make generates
Basecamp Project > Campfire > Configure Integrations
Set up Basecamp webhook in your account
Open your Basecamp account and navigate to the project you want to monitor. Go to the Campfire chat area and click on 'Configure integrations'. Add a new webhook integration using the URL from Make. Choose which events to send: recordings (updates), todos (tasks), and schedule items (milestones).
- 1Open the Basecamp project you want to monitor
- 2Click 'Campfire' in the project navigation
- 3Click 'Configure integrations' at the top
- 4Select 'Webhook' and paste your Make URL
- 5Check boxes for recordings, todos, and schedule events
Make Scenario > Run Once
Test the Basecamp connection
Return to Make and click 'Run Once' to activate the webhook listener. Go back to your Basecamp project and create a test update or complete a task. Make should receive the webhook within 10 seconds and display the event data structure.
- 1Click 'Run Once' in the Make scenario
- 2Switch to your Basecamp project tab
- 3Post a message update or complete a task
- 4Return to Make and wait for the webhook to fire
- 5Click on the Basecamp module to see received data
Basecamp Module > + > Slack > Send a Message
Add Slack module
Click the plus icon after your Basecamp module to add Slack. Choose 'Send a Message' as the action type. This sends a formatted message to any Slack channel you specify. The module needs authentication to your Slack workspace and channel selection.
- 1Click the plus icon after the Basecamp module
- 2Search for and select 'Slack'
- 3Choose 'Send a Message' from the actions list
- 4Click 'Add' next to Connection and authenticate with Slack
Slack Module > Channel > Message Text
Configure Slack channel and message
Select your target Slack channel from the dropdown. For the message text, you'll map data from the Basecamp webhook. Use the mapping panel to insert dynamic content like project name, update title, author, and content. Include the Basecamp URL so team members can click through for details.
- 1Select your target channel from the Channel dropdown
- 2Click in the Text field to open the mapping panel
- 3Map 'Project Name' from Basecamp data
- 4Add static text like 'New update in'
- 5Map 'Title' and 'Content' fields from the webhook data
📬 New entry: {{1.name}}
Email: {{1.email}}
Details: {{1.description}}Module Connection > Filter Settings
Add conditional filtering
Click the wrench icon between modules to add a filter. This prevents spam by only sending certain types of updates to Slack. Set conditions like 'event type equals recording' for project updates, or 'todo completed equals true' for finished tasks. Multiple conditions can be combined with AND/OR logic.
- 1Click the wrench icon on the line between modules
- 2Select 'Set up a filter'
- 3Choose 'kind' field from Basecamp data
- 4Set condition to 'Text operators > Equal to'
- 5Enter 'recording' to only catch project updates
Basecamp > + > Text Formatter > Replace
Format message with rich content
Enhance your Slack message with better formatting using the Text Formatter module. Add this between Basecamp and Slack to clean HTML from Basecamp content, truncate long updates, and format dates properly. This makes notifications more readable in Slack.
- 1Add Text Formatter module between Basecamp and Slack
- 2Choose 'Replace' operation
- 3Map Basecamp content field as input text
- 4Set 'Search for' to HTML tags like '<p>|</p>'
- 5Leave 'Replace with' empty to strip HTML
📬 New entry: {{1.name}}
Email: {{1.email}}
Details: {{1.description}}Scenario > Run Once
Test the complete workflow
Run the scenario end-to-end by creating different types of updates in Basecamp. Try posting a message update, completing a task, and adding a milestone. Check that each triggers the workflow correctly and sends properly formatted messages to your Slack channel.
- 1Click 'Run Once' to start the scenario
- 2Create a message update in Basecamp
- 3Complete a task in the same project
- 4Check your Slack channel for both notifications
- 5Verify the formatting and content accuracy
Scenario Settings > ON/OFF Toggle
Activate and monitor
Turn on the scenario by clicking the ON toggle. Set up error notifications so you know if the webhook fails or Slack messages bounce. Monitor the execution history for the first few days to catch any edge cases with different types of Basecamp content.
- 1Click the ON/OFF toggle to activate the scenario
- 2Go to Scenario Settings > Error Handling
- 3Enable email notifications for errors
- 4Set the scenario to run continuously
- 5Monitor the History tab for successful executions
This formula creates smart notification formatting based on the type of Basecamp event, showing different emojis and text for updates vs completed tasks.
JavaScript — Custom Functionif(▸ Show code
if(
contains({{basecamp.kind}}; "recording");
"📝 New update in " + {{basecamp.bucket.name}};... expand to see full code
if(
contains({{basecamp.kind}}; "recording");
"📝 New update in " + {{basecamp.bucket.name}};
if(
contains({{basecamp.kind}}; "todo") and {{basecamp.completed}};
"✅ Task completed in " + {{basecamp.bucket.name}};
if(
contains({{basecamp.kind}}; "schedule_entry");
"📅 Milestone update in " + {{basecamp.bucket.name}};
"🔔 Activity in " + {{basecamp.bucket.name}}
)
)
) + ": " + {{basecamp.title}}Going live
Production Checklist
Before you turn this on for real, confirm each item.
Troubleshooting
Common errors and how to fix them.
Frequently Asked Questions
Common questions about this workflow.
Analysis
Use Make for this if your team needs real-time Basecamp notifications in Slack with custom formatting and filtering. Make's visual builder makes it easy to add conditional logic for different project types, and the text formatting tools clean up Basecamp's HTML content perfectly. Skip Make if you just need basic notifications - Basecamp's native Slack integration might be enough.
This costs 2 operations per notification - one for the webhook trigger, one for the Slack message. At 50 project updates per day, you're looking at 3,000 operations monthly, which fits comfortably in Make's free 1,000-operation tier if you filter smartly. Zapier would cost $20/month for the same volume since their free tier maxes out at 100 tasks.
Zapier's Basecamp integration has more trigger options including specific project filtering, so you don't need separate webhook setups per project. n8n gives you better text processing with full JavaScript for cleaning up Basecamp's messy HTML formatting. Power Automate connects better if your team uses Microsoft Teams instead of Slack. But Make's visual filtering and text formatting modules handle the most common customization needs without code, plus the webhook approach works reliably across all Basecamp account types.
You'll hit Basecamp's webhook quirks where different event types send completely different data structures - completed tasks look nothing like message updates. The HTML cleaning gets tricky because Basecamp sometimes sends malformed HTML that breaks simple regex patterns. Also, if someone reconfigures a Basecamp project's integrations, your webhook disappears without warning and notifications just stop flowing.
Ideas for what to build next
- →Add digest notifications — Create a second scenario that sends daily summaries of all project activity instead of individual updates.
- →Include file attachments — Extend the workflow to detect when files are uploaded to Basecamp and include download links in Slack notifications.
- →Route to different channels — Add logic to send notifications to different Slack channels based on Basecamp project names or client tags.
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