Notification Channels
Slack
Set up Slack as a notification channel for your webhook alerts using Incoming Webhooks
Slack Webhook Generation Guide
This guide will help you set up Slack as a notification channel in HookFlo, allowing you to receive real-time alerts in your team’s Slack workspace when webhook events are triggered.HookFlo uses Slack’s Incoming Webhooks to deliver notifications directly to your channels. This secure approach requires minimal permissions and provides customizable alert formats.
Prerequisites
- A HookFlo account with an active project
- Admin or appropriate permissions in a Slack workspace
- At least one webhook platform already configured in HookFlo
Integration Steps
1
Create a Slack App
Creating Your Slack App
Creating Your Slack App
- Visit the Slack API website and sign in with your Slack account
- Click Create New App
- Select From scratch
- Enter a name for your app (e.g., “HookFlo Notifications”)
- Select the workspace where you want to receive notifications
- Click Create App
2
Activate Incoming Webhooks
Enabling Webhooks
Enabling Webhooks
- In the left sidebar of your Slack app dashboard, click on Incoming Webhooks
- Toggle the switch to On to activate Incoming Webhooks
- Click Add New Webhook to Workspace
- Select the Slack channel where you want to receive notifications
- Click Allow to authorize the webhook
- You’ll be redirected back to the Incoming Webhooks page
- Copy the generated Webhook URL (it will look like
https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX)
3
Configure HookFlo
Setting Up in HookFlo
Setting Up in HookFlo
- Log in to your HookFlo dashboard
- Choose a webhook to Configure Notifications.
- Navigate to Notification Channels > Add Channel
- Select Slack from the available channels
- Give your notification channel a descriptive name (e.g., “Product Team Alerts”)
- Paste the Slack Webhook URL you copied earlier
- Configure notification preferences:
- Default Username: Set the display name for notifications (e.g., “HookFlo Alerts”)
- Default Icon: Enter a URL for a custom icon or use emoji codes like
:bell: - Message Format: Choose between Simple, Detailed, or Custom formats
- Click Save Channel
4
Test Your Integration
Verifying the Setup
Verifying the Setup
To ensure your Slack notifications are working correctly:
- In the channel configuration page, click Send Test Message
- Select which webhook payload to use for the test (or use a sample)
- The test message will be sent to your configured Slack channel
- Verify that the message appears as expected
Slack Templates Customization
Message Templates
Message Templates
Custom Slack Templating
HookFlo provides Rich Text Editor along with Block editor for Slack Message Customization:- Navigate to Slack Templates in Sidebar
- Choose Webhook For which you want to edit the template.
- Slack Templates currently do not support dynamic variables will be available soon,
- Create your own template using our Slack’s Block Editor
- Slack templates have character limits of 1700 characters,
- your have full control over how slack message should looks and can be previewed with real time editor