Get a Slack alert when a workflow went wrong
This workflow allows you to have a Slack alert when one of your n8n workflows gets an issue.
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Error trigger: This node launched the workflow when one of your active workflows gets an issue
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Slack node: This node sends you a customized message to alert you and to check the error
⚠️ You don't have to activate this workflow for it to be effective
Get a Slack Alert When an n8n Workflow Fails
This n8n workflow provides a robust error handling mechanism, ensuring you're immediately notified via Slack whenever one of your n8n workflows encounters an error. It simplifies the process of monitoring workflow health and responding to issues proactively.
What it does
- Listens for Workflow Errors: The workflow is triggered automatically whenever another n8n workflow on your instance fails.
- Sends Slack Notification: Upon receiving an error event, it posts a detailed message to a specified Slack channel, alerting you to the failure.
Prerequisites/Requirements
- n8n Instance: An active n8n instance where this workflow will be imported.
- Slack Account: A Slack workspace and a channel where you want to receive error notifications.
- Slack Credential: An n8n credential configured for your Slack workspace with permissions to post messages.
Setup/Usage
- Import the Workflow: Import the provided JSON into your n8n instance.
- Configure Slack Credential:
- Click on the "Slack" node.
- In the "Credential" field, select an existing Slack API credential or create a new one.
- To create a new credential, choose "New" and follow the prompts to connect your Slack workspace.
- Specify Slack Channel:
- In the "Slack" node, ensure the "Channel" or "Channel ID" is set to the desired Slack channel where alerts should be sent.
- Activate the Workflow: Save and activate the workflow.
- Configure Error Workflow: To use this workflow as an error handler for other workflows:
- Open any workflow you want to monitor for errors.
- In the workflow settings (the gear icon in the top right), navigate to the "Error Workflow" section.
- Select this workflow ("Get a Slack Alert When an n8n Workflow Fails") from the dropdown list.
- Save the settings for that workflow.
Now, whenever a workflow configured with this error workflow fails, you will receive a notification in your designated Slack channel.
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