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

Add the OpenAI GPT Assistants Node
Select the OpenAI GPT Assistants node from the app selection panel on the right.

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

OpenAI GPT Assistants
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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 OpenAI GPT Assistants 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 OpenAI GPT Assistants 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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OpenAI GPT Assistants
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Iterator
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Webhook response

Save and Activate the Scenario
After configuring OpenAI GPT Assistants, 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 OpenAI GPT Assistants and Lexoffice integration works as expected. Depending on your setup, data should flow between OpenAI GPT Assistants 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 OpenAI GPT Assistants and Lexoffice
Slack + OpenAI GPT Assistants + Lexoffice: When a new message is posted to a Slack channel, OpenAI GPT Assistants summarizes the customer inquiry. This summary is then used to create a voucher in Lexoffice.
Lexoffice + OpenAI GPT Assistants + Email: When a new voucher is created in Lexoffice, OpenAI GPT Assistants drafts a personalized payment reminder based on the voucher data and sends it via email.
OpenAI GPT Assistants and Lexoffice integration alternatives
About OpenAI GPT Assistants
Use OpenAI GPT Assistants within Latenode to automate complex tasks like customer support or content creation. Configure Assistants with prompts and integrate them into broader workflows. Chain them with file parsing, webhooks, or database updates for scalable, automated solutions. Benefit from Latenode's no-code flexibility and affordable execution-based pricing.
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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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FAQ OpenAI GPT Assistants and Lexoffice
How can I connect my OpenAI GPT Assistants account to Lexoffice using Latenode?
To connect your OpenAI GPT Assistants account to Lexoffice on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select OpenAI GPT Assistants and click on "Connect".
- Authenticate your OpenAI GPT Assistants and Lexoffice accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automate invoice creation based on assistant interactions?
Yes, you can! Latenode allows you to trigger invoice creation in Lexoffice based on conversations with OpenAI GPT Assistants, streamlining billing and saving you time.
What types of tasks can I perform by integrating OpenAI GPT Assistants with Lexoffice?
Integrating OpenAI GPT Assistants with Lexoffice allows you to perform various tasks, including:
- Automatically generating invoices after a customer interaction summary.
- Sending payment reminders based on assistant-collected customer data.
- Updating customer records in Lexoffice from assistant feedback.
- Creating financial reports using insights from assistant conversations.
- Triggering accounting tasks based on AI-driven lead qualification.
How does Latenode handle OpenAI GPT Assistants API authentication?
Latenode securely manages OpenAI GPT Assistants API keys, offering flexible authentication methods for robust automation workflows.
Are there any limitations to the OpenAI GPT Assistants and Lexoffice integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations may require custom JavaScript code.
- Rate limits of both OpenAI GPT Assistants and Lexoffice APIs apply.
- Real-time data synchronization depends on API availability.