Connect your AI agent to Lexoffice
Lexoffice is a cloud-based accounting software designed for freelancers and small businesses, offering invoicing, expense management, and integration with banks
Set it up in Melso
- 1In Melso, open Settings → Agent Apps and hit Connect on Lexoffice.
- 2Finish the API_KEY sign-in in the window that opens. Melso stores the connection, not your credentials.
- 3Open your agent, go to its Agent Apps tab, and allow Lexoffice.
- 4Give the agent a task. It calls Lexoffice itself when the work needs it.
What Lexoffice gives your agent
The tools, permissions, and events Lexoffice exposes — the same ones your agent can use once the app is authorized.
What you sign in with
Lexoffice connects with API_KEY.
Permissions
Lexoffice does not break access down into granular permissions.
Tools Lexoffice exposes
Create Article
Tool to create a new article (product or service) in Lexoffice. Use when you need to add items to the product/service catalog for invoicing or quotations. The leadingPrice field must be uppercase (NET or GROSS).
Create contact
Tool to create a new contact (customer or vendor) in Lexoffice. Use when you need to add a new business contact. Either company or person details must be provided, and at least one role (customer/vendor) must be assigned.
Create Credit Note
Tool to create a credit note in Lexoffice. Credit notes are created in draft mode by default; set finalize=true to create with status 'open'. Use when you need to issue a refund or credit for an invoice. Maximum 300 line items per credit note.
Create Delivery Note
Create a delivery note in lexoffice. Delivery notes are created in draft mode by default (set finalize=true for open status). Use when shipping goods or providing services and need to document what was delivered without prices/payment terms. Maximum 300 line items allowed per delivery note.
Create Event Subscription
Tool to register a new webhook for Lexoffice events. Use when you need to receive real-time notifications for specific events like invoice creation, contact changes, or payment updates.
Create Order Confirmation
Tool to create an Order Confirmation in Lexoffice/Lexware. Order confirmations are always created in draft mode and do not need to be finalized. Use when you need to confirm a customer order with line items, pricing, and shipping details.
Create Quotation
Tool to create a quotation in Lexoffice. Quotations are created in draft mode by default. Use the finalize parameter to create a finalized quotation with status 'open'. Requires address with either contactId or name+countryCode, line items, total pricing, and tax conditions.
Create Voucher
Tool to create a bookkeeping voucher in Lexoffice. Use when you need to create expense receipts, sales invoices, purchase invoices, or other accounting vouchers. The voucher requires line items with amounts, tax rates, and posting category IDs.
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