How to connect Mailgun and Vapi
Create a New Scenario to Connect Mailgun 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 Mailgun, triggered by another scenario, or executed manually (for testing purposes). In most cases, Mailgun or Vapi will be your first step. To do this, click "Choose an app," find Mailgun or Vapi, and select the appropriate trigger to start the scenario.

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


Mailgun

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


Mailgun
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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 Mailgun 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 Mailgun 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.

JavaScript
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AI Anthropic Claude 3
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Vapi
Trigger on Webhook
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Mailgun
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring Mailgun, 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 Mailgun and Vapi integration works as expected. Depending on your setup, data should flow between Mailgun 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 Mailgun and Vapi
Mailgun + Vapi + Pipedrive: When a new lead-related email is received via Mailgun, trigger an outbound call via Vapi. If the call connects, automatically create a person in Pipedrive with the call details.
Vapi + Mailgun + Google Sheets: When a Vapi call ends, send the transcribed voicemail via email using Mailgun, and log the call details, including the transcription, in a Google Sheet.
Mailgun and Vapi integration alternatives

About Mailgun
Use Mailgun in Latenode to automate email sending within your workflows. Trigger emails based on data changes, form submissions, or scheduled events. Latenode lets you filter, format, and personalize messages using data from other apps, creating dynamic campaigns and notifications without complex coding. Scale your outreach affordably by paying only for execution time.
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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 Mailgun and Vapi
How can I connect my Mailgun account to Vapi using Latenode?
To connect your Mailgun account to Vapi on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Mailgun and click on "Connect".
- Authenticate your Mailgun and Vapi accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically call leads after an email is opened?
Yes, you can! Latenode's visual editor makes it simple to trigger a Vapi call when Mailgun detects an email open, boosting lead engagement with perfectly timed follow-ups.
What types of tasks can I perform by integrating Mailgun with Vapi?
Integrating Mailgun with Vapi allows you to perform various tasks, including:
- Send personalized SMS notifications for critical email events.
- Automate phone calls to new subscribers after they confirm their email.
- Qualify leads faster by triggering calls based on email engagement.
- Create detailed reports on email and call campaign performance.
- Automatically update contact details in Vapi from Mailgun bounce data.
Can I use Javascript code to transform Mailgun data before Vapi calls?
Yes! Latenode supports JavaScript code blocks for custom data transformations. Seamlessly adapt Mailgun's output to Vapi's input requirements.
Are there any limitations to the Mailgun and Vapi integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations may require advanced JavaScript knowledge.
- Call costs are determined by Vapi's pricing and usage policies.
- Initial setup requires valid Mailgun and Vapi API keys.