Customer.io + Lemlist Integration
Integrate Customer.io to Lemlist in one click, or tell Integrately AI how you want each lead handled. Enrich contacts, update your segments and campaigns, alert your team, and trigger follow-ups automatically.
Free forever.Use premium features free for 14 days.1.
Email is opened in Lemlist Instant- Email is clicked in Lemlist Instant
- Email is replied in Lemlist Instant
- Email is sent in Lemlist Instant
- Email is interested in Lemlist Instant
- Email is unsubscribed in Lemlist Instant
- Email is bounced in Lemlist Instant
- Email is failed to send in Lemlist Instant
- Recipient has unsubscribed in Lemlist
- Campaign is created in Lemlist
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Add person to segment in Customer.io- Create or Update Person in Customer.io
- Create event in Customer.io
- Create anonymous event in Customer.io
- Add buddy-to-be to Campaign in Lemlist
- Remove buddy-to-be from campaign in Lemlist
- Remove buddies-to-be from unsubscribed list in Lemlist
- Add recipient to unsubscribe list in Lemlist
- Search lead in Lemlist
Trusted by experts at...
Ready Workflows for Customer.io + Lemlist Integration
Capture replies, update segments, sync lead details, alert your team, and trigger follow-ups, all in just one click.
Sorry, we don’t have a ready workflow for this combination yet.
Create your workflow with Integrately AI.Simply describe what you want to automate, and Integrately AI will build it for you.
Connect more apps to your Customer.io + Lemlist flow
Sync outreach data with CRMs, spreadsheets, messaging channels, and calendar tools the moment an action finishes. Pick a combination and activate it in one click.
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HubSpot (8)
HubSpot (8) +
Salesforce (8)
Salesforce (8) +
Google Sheets (8)
Google Sheets (8) +
Slack (8)
Slack (8) +
Calendly (8)
Calendly (8) +
Typeform (8)
Typeform (8) H
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Add every new HubSpot contact to Customer.io as a person and add them to a campaign in Lemlist.
New HubSpot contacts appear in Customer.io instantly and join your Lemlist campaign without manual entry.
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Update the person in Customer.io and send an email from HubSpot when an email is replied in Lemlist.
Incoming replies in Lemlist update Customer.io records and trigger immediate follow-up emails from HubSpot.
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When a HubSpot deal stage changes, log the event in Customer.io and add the lead to a campaign in Lemlist.
Deal stage updates in HubSpot trigger behavioral events in Customer.io and enroll leads in Lemlist campaigns.
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Create a HubSpot task whenever an email is clicked in Lemlist and update the person in Customer.io.
Email engagement in Lemlist creates actionable follow-up tasks in HubSpot and updates user records in Customer.io.
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If an email reply in Lemlist indicates high interest, add them to a VIP Customer.io segment and create a HubSpot deal.
Interested email replies in Lemlist segment users in Customer.io and automatically create high-value deals in HubSpot.
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When a HubSpot deal is closed, log the event in Customer.io and remove the lead from your Lemlist campaign.
Closed deals in HubSpot log events in Customer.io and remove contacts from active Lemlist campaigns.
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Use Claude to analyse reply sentiment in Lemlist, log the event in Customer.io, and create a follow-up task in HubSpot.
AI sentiment analysis on Lemlist replies updates Customer.io user profiles and creates prioritized tasks in HubSpot.
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When a new HubSpot contact is created, update them in Customer.io, add them to Lemlist, and notify your sales team in Slack.
New HubSpot contacts update Customer.io, enroll in Lemlist campaigns, and trigger instant Slack notifications.
Supported triggers and actions for Customer.io and Lemlist
Mix and match to build the exact automation you need
Customer.io Triggers & Actions
Create anonymous event in Customer.io
Creates a confidential gathering without disclosing organizer's identity
Try it → Lemlist Triggers & Actions
Instant
Email is clicked in Lemlist
Triggers the automation when an email link is clicked by the recipient
Try it → Instant
Email is replied in Lemlist
Triggers the automation when you reply to an incoming email
Try it → Instant
Email is interested in Lemlist
Triggers the automation when an email recipient shows interest
Try it → Instant
Email is unsubscribed in Lemlist
Triggers the automation when an email is unsubscribed from a mailing list
Try it → Instant
Email is failed to send in Lemlist
Triggers the automation when any email delivery fails
Try it → What can you automate with Customer.io + Lemlist?
Streamline your customer communication and cold outreach by connecting behavioral data directly to active email sequences.
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Sync email replies and user segments automatically
Trigger actions in Customer.io the moment an email is replied in Lemlist, ensuring your messaging lists stay perfectly synchronized with prospect engagement.
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Capture every submitted field from campaigns
Map all available lead answers and metadata into your customer profiles instead of just basic names and email addresses, creating richer records for follow-up.
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Alert your sales team the second interest is shown
Send instant notifications to internal channels when prospects open emails or express interest, allowing reps to strike while interest is high.
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Route leads based on submitted field criteria
Evaluate prospect responses and segment high-value accounts into VIP lists while routing standard inquiries to general follow-up sequences.
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Keep downstream systems continuously updated
Update customer profiles, create tasks, and log behavioral events across your CRM and marketing platforms without manual data entry.
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Prevent duplicate records with smart search operations
Search existing databases before creating new entries, ensuring your customer records remain clean and free from duplicate contact profiles.
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Manage later status changes like bounces and unsubscribes
Automatically handle email bounces and recipient unsubscribes by updating suppression lists and halting active campaigns instantly.
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Extend workflows into CRMs and messaging apps
Connect your core Customer.io and Lemlist flow to HubSpot, Salesforce, or Slack to coordinate complex multi-team processes.
And much more...
Who is Customer.io + Lemlist integration for?
Connecting Customer.io and Lemlist eliminates manual data entry, keeping campaign metrics and prospect interactions synchronized across teams in real-time.
Performance marketers
Sales representatives
Agency account managers
Growth operations leads
Business development reps
Data compliance officers
📈
Performance marketers
You analyze campaign conversion metrics and segment growth, but your reporting sheets only update when someone manually exports data, so the row counts you optimize against are always a few hours behind — with this integration, every new lead lands in your tools instantly and your data stays current.
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Sales representatives
You need to act fast on prospect replies and website engagement, but manual notification delays mean you find out about warm leads hours after they express interest — with this integration, every reply and click triggers instant notifications and record updates.
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Agency account managers
You answer to clients who want to see campaign progress and outbound volume in real-time, but manual status reporting leaves gaps that lead to difficult review meetings — with this integration, every outreach event is logged automatically and visible immediately.
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Growth operations leads
The volume of inbound leads and outbound sequences is too high for anyone to keep up by hand, leading to missed follow-ups and fragmented contact lists — with this integration, multi-step workflows run reliably in the background without human intervention.
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Business development reps
You own the outbound follow-up stage and depend on marketing automation to hand over qualified leads, but manual handoffs cause friction and lost momentum — with this integration, prospect data flows seamlessly from marketing platforms straight into your active outreach queues.
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Data compliance officers
You need a reliable audit history of every consent and unsubscribe event, but manual record-keeping keeps finding gaps that risk compliance — with this integration, every preference update and bounce is logged permanently across your entire software stack.
Did you know?
Our team can create automations for you... At no extra cost!
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Why choose Integrately to automate Customer.io + Lemlist
Build and manage your Customer.io + Lemlist automations with ready-made flows, AI assistance, 24x5 reliable human support, and enterprise-grade security.
1,500+ apps connected
Connect Customer.io + Lemlist with email, CRM, messaging, finance, support, and other tools whenever your process needs another step.
20M+ Ready Automations
Start with 20 million+ proven automation templates instead of building everything from scratch. Pick the closest flow, connect your accounts, and automate in minutes.
AI that builds your automations
Describe your workflow in plain English. Integrately AI builds it, maps fields, adds conditions, and even lets you edit it through chat.
24x5 Live Chat Support
Chat with a real person and get reply within 2-5 minutes. No bots, no tickets, no waiting — just real help, right when you need it.
Free done-for-you setup
Tell our team what you need and we will help set up the automation in your account at no extra cost on any plan.
Secure by design
SOC 2 Type II and ISO 27001:2022 certified, with GDPR-compliant data practices. Your data and credentials are handled using recognised security and privacy standards.
How Integrately Works?
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Select Automation
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Connect Accounts
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Automation is ready
Connect Customer.io + Lemlist Now 
In Just 1 Click!
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Frequently Asked Questions
How do I connect Customer.io to Lemlist?
You can connect Customer.io to Lemlist in 1 click using ready-made templates on Integrately. Select a pre-built workflow, connect your accounts, and activate it instantly. You can also ask Integrately AI to build custom sequences and map fields between Customer.io, Lemlist, and popular tools like HubSpot, Google Sheets, and Slack.
Can I automatically add leads to Lemlist when a Customer.io segment updates?
Can I connect Customer.io, Lemlist, and HubSpot?
What is a good Zapier alternative for Customer.io and Lemlist?
How are email replies in Lemlist handled in Customer.io?
Can I remove contacts from Lemlist when a deal closes in Customer.io?
Do I need coding skills to automate Customer.io and Lemlist?
Is the Customer.io and Lemlist integration free?
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