Integrate Harpoon with Lemlist to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Add Lead to campaign in Lemlist when New Client in Harpoon
Search Lead in Lemlist when New Client in Harpoon
Add Recipient to Unsubscribe List in Lemlist when New Client in Harpoon
Resume Lead From All Campaigns in Lemlist when New Client in Harpoon
Remove Lead From Unsubscribe in Lemlist when New Client in Harpoon
Start from a real workflow other teams are already running.
Harpoon
When this happens...
New Client
New Project
New Expense Category
Lemlist
Automatically do this!
Add Lead to campaign
Search Lead
Add Recipient to Unsubscribe List
Resume Lead From All Campaigns
Remove Lead From Unsubscribe
Remove Lead From Campaign
Pause Lead From All Campaign
Unsubscribe a Lead
Mark a Lead From One Campaign as Not Interested
Mark a Lead From One Campaign as Interested
Update Lead From Campaign
Get User Information
Get Lead by email or Id
Export Campaign Leads
Create Lead in Campaign
Create Campaign
Get Campaigns
Pause Campaign
Add Lead to campaign in Lemlist when New Client in Harpoon
Use this flowSearch Lead in Lemlist when New Client in Harpoon
Use this flowAdd Recipient to Unsubscribe List in Lemlist when New Client in Harpoon
Use this flowResume Lead From All Campaigns in Lemlist when New Client in Harpoon
Use this flowRemove Lead From Unsubscribe in Lemlist when New Client in Harpoon
Use this flowRemove Lead From Campaign in Lemlist when New Client in Harpoon
Use this flowPause Lead From All Campaign in Lemlist when New Client in Harpoon
Use this flowUnsubscribe a Lead in Lemlist when New Client in Harpoon
Use this flowMark a Lead From One Campaign as Not Interested in Lemlist when New Client in Harpoon
Use this flowMark a Lead From One Campaign as Interested in Lemlist when New Client in Harpoon
Use this flowEverything you can automate between Harpoon and Lemlist.
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when new client created.
Triggers when there is a new project.
Trigerrs when there is a new expense category.
Triggers when a recipient be unsubscribes from an email subscription list.
Triggers when a new campaign is created.
Triggers when a new company is created.
Action is the task that follows automatically within your Harpoon integrations.
Get all the clients.
View a client’s details.
Creates a new client.
Create a new expense.
Creates a new Expense Category.
Create a new Project.

Follow a simple walkthrough to create, test, and launch your first automation.
Connect your apps
Link the apps you want to automate.
Configure your workflow
Set up triggers, actions, and map your data.
Test & publish
Test your workflow and publish it.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.
Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.

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Harpoon is a financial planning and time-tracking tool designed for freelancers and small businesses. It helps users set financial goals, track time, manage projects, and invoice clients efficiently. With Harpoon, users can gain insights into their financial health and make informed decisions to grow their business.
Learn morelemlist is an email outreach platform that enables users to create, send, and track personalized email campaigns. It offers features like automated follow-ups, A/B testing, and detailed analytics to help improve email outreach efforts.
Learn moreSign up for a free viaSocket account, then authorize both your Harpoon and Lemlist accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between Harpoon and Lemlist as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach Lemlist. No coding required.
Yes. You can set up a workflow where Harpoon triggers actions in Lemlist, and a separate workflow where Lemlist triggers actions in Harpoon. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between Harpoon and Lemlist. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Harpoon and Lemlist integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.