Partner spotlight: Lemlist
Lemlist is a multichannel sales outreach platform founded in 2018 in Paris. See how it connects to OutboundSync to sync activity into your CRM.
Jason Ma
Lemlist → HighLevel
Lemlist + HighLevel integration
Run Lemlist for a client, report in their HighLevel account. OutboundSync writes each email and social step as a Note on the Contact in that sub-account.
BetaOne-way syncEmail and social
Lemlist + HighLevel at a glance
Lemlist works with HighLevel through OutboundSync. Email sends, opens, clicks, replies, bounces, and unsubscribes, plus connection requests, social messages, and replies, are added as plain-text Notes on the matching Contact in one HighLevel sub-account (Location). Setup is Location OAuth in the app, then source setup with the OutboundSync team.
| Status | Beta (HighLevel is a one-way beta CRM) |
|---|---|
| Channels | Email and social |
| Direction | One-way, Lemlist → HighLevel |
| HighLevel records | Contacts in one sub-account (Location) |
| Block lists | Not available for this pairing |
| Lemlist plan | Needs webhook access |
| Setup | Guided: Location OAuth in-app, then source setup with the OutboundSync team |
Agencies often run Lemlist on behalf of clients who work in HighLevel. OutboundSync connects a Lemlist source to one sub-account, so each client's Contacts collect the outreach done for them and nothing crosses between accounts.
Plain-text Notes stay readable for clients who never open Lemlist. They can see the email that was opened, the connection request that was accepted, and the reply that came back, right on the Contact their team already works from.
What syncs from Lemlist to HighLevel
Every event below arrives in near-real time and lands on the matched HighLevel record. Pick the ones you want per source.
| Event | Channel | Where it lands in HighLevel |
|---|---|---|
| Email sent | Plain-text Note on the Contact | |
| Email opened | Plain-text Note on the Contact | |
| Link clicked | Plain-text Note on the Contact | |
| Reply received | Plain-text Note on the Contact | |
| Email bounced | Plain-text Note on the Contact | |
| Lead unsubscribed | Plain-text Note on the Contact | |
| Lead category updated— Interested and Not Interested, from email and social | Plain-text Note on the Contact | |
| Connection request sent | Social | Plain-text Note on the Contact |
| Connection request accepted | Social | Plain-text Note on the Contact |
| Social message sent— Includes voice notes | Social | Plain-text Note on the Contact |
| Social reply received | Social | Plain-text Note on the Contact |
| Profile viewed | Social | Plain-text Note on the Contact |
Event names come from the Lemlist webhooks OutboundSync receives. HighLevel is a one-way beta, so exact event coverage is confirmed during onboarding. See the Lemlist event reference.
What teams do with Lemlist + HighLevel
Client-ready activity
Show clients the Lemlist work behind each Contact in their own sub-account.
Reply follow-up
Use HighLevel filters to find Contacts with a fresh Lemlist reply.
One source per client
Connect a separate Lemlist source to each client sub-account.
Ways to connect Lemlist and HighLevel
The options teams weigh before they commit a production sync.
| Option | What it does | Trade-off |
|---|---|---|
| Zapier, Make, or n8nCompare integration platforms | Catch Lemlist webhooks and write each event to HighLevel with a workflow you build. | Every event type, retry, and field change is a workflow you maintain, billed per task or step. |
| Custom buildBuild vs buy | Write your own service against the Lemlist and HighLevel APIs. | You own matching, deduplication, API limits, and every upstream schema change. |
| OutboundSync | Pre-built email and social activity sync into HighLevel Contacts. | One-way beta with guided onboarding. Lighter configuration than HubSpot or Salesforce today. |
How to set up Lemlist + HighLevel
Step 1: Connect HighLevel
Authorize the HighLevel sub-account (Location) from CRM Settings in OutboundSync with the same email you use to log in.
Step 2: Connect Lemlist
Add your Lemlist API key in OutboundSync, then paste the source's webhook URL into Lemlist.
Step 3: Create the HighLevel source
Select Lemlist when you create the HighLevel source, and confirm how contacts are matched.
Step 4: Send a test event
Trigger one Lemlist event and confirm it on a real HighLevel Contact.
Step 5: Go live
Launch with the OutboundSync team watching the first production events in HighLevel.
Plan requirements
Lemlist plan
Needs webhook access
OutboundSync receives Lemlist activity through webhooks. Confirm your Lemlist plan includes webhook access, or ask us to check during setup.
HighLevel
HighLevel is a one-way beta. There is no HighLevel plan gate on our side; onboarding runs with the OutboundSync team.
Related integrations and guides
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TapcheckLemlist + HighLevel FAQ
What Lemlist activity does OutboundSync sync to HighLevel?
Email sent, email opened, link clicked, reply received, email bounced, lead unsubscribed, lead category updated, connection request sent, connection request accepted, social message sent, social reply received, and profile viewed.Which HighLevel records does it write to?
OutboundSync matches or creates HighLevel Contacts. Lemlist events land as plain-text Note on the Contact. See the HighLevel beta guide for details.Which HighLevel record does Lemlist activity land on?
The Contact in the connected sub-account (Location). Each Lemlist email and social step is added to it as a plain-text Note.Is the integration one-way or two-way?
One-way. Activity flows from Lemlist into HighLevel, and nothing is written back to Lemlist.Can I use HighLevel records as a block list?
Not today. Block lists come from HubSpot lists or Salesforce reports. The HighLevel beta syncs activity in only.Do I need admin access to set it up?
The HighLevel user who authorizes the Location must use the same email as their OutboundSync login.Which Lemlist plan do I need?
OutboundSync receives Lemlist activity through webhooks. Confirm your Lemlist plan includes webhook access, or ask us to check during setup.How is Lemlist + HighLevel priced?
Beta access is scoped with the OutboundSync team during onboarding. Billing follows the same model as every plan: sent messages per month. Replies, opens, clicks, and lead-category updates are not billed. See the pricing page.Can I do this with Zapier, Make, or n8n?
Yes, for lightweight automation. Zapier, Make, and n8n are good for prototypes and simple routing, but they need ongoing maintenance and bill by task or step. OutboundSync is pre-built for outbound CRM sync, keeps searchable event logs beyond 30 days, and prices by outbound volume.What breaks first when this scales?
Data quality and reliability break first: duplicate events, retries, out-of-order webhooks, and bursts during big sends. OutboundSync handles idempotency, timing buffers, and queue recovery, and flags suspicious or mismapped payloads instead of writing them.
Lemlist resources
Tutorials, case studies, and updates related to Lemlist.
Lemlist integration now available
OutboundSync now supports beta one-way sync of Lemlist email and social activity into Attio, Close, HighLevel, HubSpot, Pipedrive, and Salesforce.
Harris Kenny
See Lemlist activity in HighLevel
A quick walkthrough with your own stack. Setup takes minutes, with no long-term contract.
