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Qualify great leads from n8n Form with MadKudu and Hunter and alert on Slack

MutasemMutasem
898 views
2/3/2026
Lead ManagementAutomationContact ManagementSalesforceCRM
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Use case

If you have a form where potential leads reach out, then you probably want to analyze those leads and send a notification if certain requirements are met, e.g. employee number is high enough. MadKudu is built exactly to solve this problem. We use it along with Hunter to alert on Slack for high quality leads.

Screenshot 20240222 at 16.35.53.png

How to setup

  1. Add you MadKudu, Hunter, and Slack credentials
  2. Set the Slack channel
  3. Click the Test Workflow button, enter your email and check the Slack channel
  4. Activate the workflow and use the form trigger production URL to collect your leads in a smart way

How to adjust this template

You may want to raise or lower the threshold for your leads, as you see fit.

Qualify Great Leads from n8n Form with MadKudu and Hunter, and Alert on Slack

This n8n workflow automates the process of lead qualification directly from an n8n form submission. It uses external services like MadKudu and Hunter.io to enrich lead data and then notifies a Slack channel about "great" leads, while ignoring "bad" leads.

What it does

  1. Listens for Form Submissions: Triggers whenever a new form is submitted via the n8n Form Trigger.
  2. Enriches Lead Data with Hunter.io: Uses the submitted email address to find additional company information (like company name, website, industry) via Hunter.io.
  3. Qualifies Lead with MadKudu: Sends the enriched lead data to MadKudu for lead scoring and qualification.
  4. Filters Leads: Evaluates the MadKudu qualification result using an "If" node.
    • If the lead is deemed "Great" by MadKudu, it proceeds to the Slack notification step.
    • If the lead is not "Great" (e.g., "Bad"), the workflow terminates without further action.
  5. Alerts on Slack: For "Great" leads, it posts a detailed message to a specified Slack channel, including lead information and MadKudu's qualification.

Prerequisites/Requirements

  • n8n Instance: A running n8n instance to host the workflow.
  • Hunter.io Account: An API key for Hunter.io to enrich email data.
  • MadKudu Account: An API key for MadKudu to qualify leads.
  • Slack Account: A Slack workspace and a channel where notifications will be posted. You'll need a Slack credential configured in n8n.

Setup/Usage

  1. Import the Workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • Hunter.io: Create a new Hunter.io credential in n8n and provide your API key.
    • MadKudu: Create a new HTTP Request credential (or a custom API credential if MadKudu offers one) and configure it with your MadKudu API key and endpoint.
    • Slack: Create a new Slack credential in n8n, typically using an OAuth2 or Bot Token.
  3. Configure Nodes:
    • On form submission (n8n Form Trigger): This node will automatically generate a webhook URL once activated. Share this URL as the target for your form submissions.
    • Hunter (Hunter.io): Ensure the "Email" field is mapped to the email address submitted via the n8n form (e.g., {{ $json.email }}).
    • HTTP Request (MadKudu): Configure this node to make a POST request to the MadKudu API endpoint for lead qualification. Map the necessary data from the form submission and Hunter.io enrichment (e.g., email, company name, website) to the MadKudu request body.
    • If: Review the condition to ensure it correctly identifies "Great" leads based on the MadKudu response (e.g., {{ $json.madkudu_qualification === 'great' }}).
    • Slack: Configure the Slack node to post to your desired channel. Customize the message to include relevant lead details from the form, Hunter.io, and MadKudu.
  4. Activate the Workflow: Once all credentials and nodes are configured, activate the workflow.
  5. Test: Submit a test form entry to verify the workflow runs as expected, enriches data, qualifies the lead, and sends the appropriate Slack notification.

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