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

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


Harvest

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


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Lexoffice


Authenticate Lexoffice
Now, click the Lexoffice node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Lexoffice settings. Authentication allows you to use Lexoffice through Latenode.
Configure the Harvest and Lexoffice 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 Harvest and Lexoffice 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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Lexoffice
Trigger on Webhook
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Harvest
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring Harvest, Lexoffice, 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 Harvest and Lexoffice integration works as expected. Depending on your setup, data should flow between Harvest and Lexoffice (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Harvest and Lexoffice
Harvest + Lexoffice + Slack: When a new invoice is created in Harvest, a corresponding voucher is created in Lexoffice. A notification is then sent to a designated Slack channel.
Lexoffice + Harvest + Google Sheets: When a voucher is created in Lexoffice, information about it is logged as a new time entry in Harvest and recorded in a Google Sheet for accounting reports.
Harvest and Lexoffice integration alternatives

About Harvest
Automate time tracking with Harvest in Latenode. Sync time entries to accounting, payroll, or project management. Create flows that auto-generate invoices or trigger alerts for budget overruns. Latenode provides the flexibility to connect Harvest data to other apps and add custom logic, avoiding manual updates and delays.
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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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See how Latenode works
FAQ Harvest and Lexoffice
How can I connect my Harvest account to Lexoffice using Latenode?
To connect your Harvest account to Lexoffice on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Harvest and click on "Connect".
- Authenticate your Harvest and Lexoffice accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically create Lexoffice invoices from Harvest time entries?
Yes, you can! Latenode’s visual editor and advanced logic let you automate invoice creation. This saves time and ensures accurate billing, leveraging no-code or custom JavaScript.
What types of tasks can I perform by integrating Harvest with Lexoffice?
Integrating Harvest with Lexoffice allows you to perform various tasks, including:
- Create Lexoffice invoices automatically from approved Harvest time entries.
- Update customer information in Lexoffice based on new Harvest clients.
- Generate financial reports in Lexoffice using Harvest time data.
- Track project profitability across both Harvest and Lexoffice.
- Send payment reminders via Lexoffice based on Harvest invoice due dates.
How does Latenode handle Harvest's API rate limits?
Latenode's built-in queue management system handles API rate limits intelligently. It retries requests and prevents workflow interruptions, scaling automatically.
Are there any limitations to the Harvest and Lexoffice integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Historical data migration might require custom scripting.
- Complex custom fields may need individual mapping.
- Real-time synchronization depends on API availability from both services.