How to connect Lexoffice and Vapi
Create a New Scenario to Connect Lexoffice and Vapi
In the workspace, click the βCreate New Scenarioβ button.

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

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


Lexoffice

Configure the Lexoffice
Click on the Lexoffice node to configure it. You can modify the Lexoffice URL and choose between DEV and PROD versions. You can also copy it for use in further automations.
Add the Vapi Node
Next, click the plus (+) icon on the Lexoffice node, select Vapi from the list of available apps, and choose the action you need from the list of nodes within Vapi.


Lexoffice
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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 Lexoffice 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 Lexoffice 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 donβt 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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Lexoffice
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring Lexoffice, Vapi, and any additional nodes, donβt 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 βRun onceβ and triggering an event to check if the Lexoffice and Vapi integration works as expected. Depending on your setup, data should flow between Lexoffice 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 Lexoffice and Vapi
Vapi + Lexoffice + Google Sheets: When a new outbound phone call is created via Vapi, the details are automatically logged in Lexoffice and a new row is added to a Google Sheet to track call metrics.
Vapi + Lexoffice + Slack: When a new outbound phone call is created via Vapi, the details are logged in Lexoffice, and a notification is sent to a Slack channel.
Lexoffice and Vapi integration alternatives

About Lexoffice
Automate accounting tasks by connecting Lexoffice to Latenode. Automatically create invoices, track expenses, or update customer data based on triggers from other apps. Latenode lets you build custom workflows around Lexoffice without code, adding features like advanced data validation or conditional logic that Lexoffice lacks natively.
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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 Lexoffice and Vapi
How can I connect my Lexoffice account to Vapi using Latenode?
To connect your Lexoffice account to Vapi on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Lexoffice and click on "Connect".
- Authenticate your Lexoffice and Vapi accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically trigger customer calls when invoices are overdue?
Yes, with Latenode! Automatically trigger Vapi calls from Lexoffice using no-code, ensuring prompt payment reminders and improved cash flow management. All in one visual platform!
What types of tasks can I perform by integrating Lexoffice with Vapi?
Integrating Lexoffice with Vapi allows you to perform various tasks, including:
- Automating customer follow-up calls based on invoice due dates.
- Creating personalized voice messages for late payment reminders.
- Triggering Vapi calls when new customers are added to Lexoffice.
- Sending SMS notifications for successful invoice payments via Vapi.
- Logging call outcomes in Lexoffice for improved customer history.
Can I use JavaScript for advanced Lexoffice + Vapi logic?
Yes! Latenode allows you to use JavaScript code for total control, enabling complex data transformations between Lexoffice and Vapi.
Are there any limitations to the Lexoffice and Vapi integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Real-time data synchronization depends on the Lexoffice and Vapi API rate limits.
- Complex data transformations may require intermediate JavaScript knowledge.
- Vapi call costs are separate and depend on your Vapi subscription plan.