How to connect Lemlist and Vapi
Create a New Scenario to Connect Lemlist and Vapi
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Lemlist, triggered by another scenario, or executed manually (for testing purposes). In most cases, Lemlist or Vapi will be your first step. To do this, click "Choose an app," find Lemlist or Vapi, and select the appropriate trigger to start the scenario.

Add the Lemlist Node
Select the Lemlist node from the app selection panel on the right.


Lemlist

Add the Vapi Node
Next, click the plus (+) icon on the Lemlist node, select Vapi from the list of available apps, and choose the action you need from the list of nodes within Vapi.


Lemlist
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Vapi


Authenticate Vapi
Now, click the Vapi node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Vapi settings. Authentication allows you to use Vapi through Latenode.
Configure the Lemlist and Vapi Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Lemlist and Vapi Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

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AI Anthropic Claude 3
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Vapi
Trigger on Webhook
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Lemlist
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring Lemlist, Vapi, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Lemlist and Vapi integration works as expected. Depending on your setup, data should flow between Lemlist and Vapi (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Lemlist and Vapi
Vapi + Lemlist + Pipedrive: When a new outbound call is created in Vapi, search for or create a lead in Lemlist. If the lead is new or updated, create a deal in Pipedrive.
Vapi + Lemlist + Google Sheets: When a new outbound call is created in Vapi, and there's new activity in Lemlist, add a new row to a Google Sheet to track call data and campaign results.
Lemlist and Vapi integration alternatives

About Lemlist
Automate personalized outreach with Lemlist inside Latenode. Build flows to trigger email campaigns based on CRM updates or data enrichment. Add conditional logic, use AI to personalize messages, and track results—all visually. Scale outreach without complex code or per-step fees. Use JavaScript for advanced customization.
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About Vapi
Use Vapi in Latenode to validate and standardize address data. Ensure accurate deliveries and prevent errors by cleaning addresses directly within your workflows. Vapi integration inside Latenode makes data cleaning repeatable and scalable without extra coding. Automate address verification as part of lead gen, order processing, or CRM upkeep.
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FAQ Lemlist and Vapi
How can I connect my Lemlist account to Vapi using Latenode?
To connect your Lemlist account to Vapi on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Lemlist and click on "Connect".
- Authenticate your Lemlist and Vapi accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I enrich Lemlist leads with Vapi phone numbers?
Yes, you can! Latenode lets you automate enrichment workflows, adding phone numbers to Lemlist leads from Vapi, improving your outreach efficiency.
What types of tasks can I perform by integrating Lemlist with Vapi?
Integrating Lemlist with Vapi allows you to perform various tasks, including:
- Automatically call new leads added to Lemlist campaigns.
- Update Lemlist with call outcomes received from Vapi.
- Trigger personalized Vapi voicemails based on Lemlist campaign status.
- Log Vapi call details as notes within Lemlist contact profiles.
- Qualify Lemlist leads using Vapi's automated phone surveys.
How can I handle errors in my Lemlist workflows?
Latenode's error handling provides robust retry mechanisms and notifications, ensuring reliable Lemlist automation despite API issues.
Are there any limitations to the Lemlist and Vapi integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Rate limits from Lemlist and Vapi APIs may impact high-volume automations.
- Custom field mappings may require adjustments for optimal data transfer.
- Advanced Vapi features might necessitate custom JavaScript blocks.