New Lead Welcome Flow

hubspot

mailchimp

slack
Automatically onboard new HubSpot leads by adding them to Mailchimp, tagging them appropriately, and posting a notification to Slack. Ensures every new lead gets a timely and consistent welcome.
TL;DR
This runbook detects new leads created in HubSpot and automates their welcome journey by syncing them to Mailchimp, tagging them, and notifying the marketing team in Slack.
Who is this for?
Growth marketers, sales development reps, and marketing operations teams who want consistent and fast engagement with new inbound leads.
What problem does this solve?
Manual lead handling results in delays and inconsistent outreach. This automation ensures every lead is welcomed, logged, and visible to the team.
Solves:
- Missed outreach opportunities
- Manual Mailchimp syncing
- Lack of visibility into lead inflow
What this workflow accomplishes
- Listens for newly created HubSpot contacts
- Adds them to a specific Mailchimp audience
- Tags them with “new-lead”
- Notifies the team in Slack with lead details
Integrations
This runbook uses the following integrations:
HubSpot Agent: Detects new contacts in HubSpot CRM.
Mailchimp Agent: Adds the lead to a list and applies lead tags.
Slack Agent: Notifies the team with lead details.
Setup
-
HubSpot:
- API token with
crm.objects.contacts.read
HubSpot Agent installed
- API token with
-
Mailchimp:
- List/Audience ID
- API key with permission to manage members
Mailchimp Agent installed
-
Slack:
- Bot token with
chat:write
permissions Slack Agent installed
- Bot token with
Runbook Template
Alexis Warner
Marketing
Jul 21, 2025
•
5 min read
Categories
marketing
sales
automation
leadgen
hubspot
mailchimp
slack
About this post
Alexis Warner
Marketing
Last updated: Jul 21, 2025
5 min read
Agents Used



Categories
marketing
sales
automation
leadgen
hubspot
mailchimp
slack
Product
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