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@lohnica/n8n-nodes-lohnica

v0.1.2

Published

n8n node for the Lohnica German payroll API: gross-to-net, net-to-gross and cost-to-net calculations plus health insurance lookup

Vulnerabilities

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Links

Git

Maintainers

nulldevicenulldevice

Keywords

n8n-community-node-packagen8nlohnicapayrolllohnbrutto-nettogermany

Readme

n8n-nodes-lohnica

This is an n8n community node. It lets you run German payroll calculations with the Lohnica API in your n8n workflows.

Lohnica is a German payroll platform. This node exposes its public gross-to-net, net-to-gross and cost-to-net calculations, plus a lookup of statutory health insurance funds, using current tax tables and social security contribution rates.

n8n is a fair-code licensed workflow automation platform.

Installation Operations Credentials Compatibility Usage Resources

Installation

Follow the installation guide in the n8n community nodes documentation.

Operations

Calculation

  • Gross to Net – calculate net salary and deductions from a gross salary.
  • Net to Gross – find the gross salary that yields a desired net salary.
  • Cost to Net – derive net and gross salary from a target total employer cost.

All three take the payroll month plus the employee's tax and social security parameters (tax class, federal state, health insurance type, pension insurance, church tax, age, child allowances). Less common inputs (mini-job, midi-job, short-term employment, private health insurance amounts, tax factor, allowances) are available under Additional Fields.

Health Insurance

  • List – list statutory health insurance funds valid on a given date, including company numbers (Betriebsnummer) and supplementary contribution rates. Use the optional name filter to narrow the result. The company number returned here is the value you pass as Health Insurance Company Number in a calculation.

The Month and Date fields default to the current month / today when left empty.

Credentials

You need a Lohnica API key.

  1. Create an account and an API key at api-portal.lohnica.de. New accounts include free trial credits.
  2. In n8n, create new Lohnica API credentials and paste the key.

The key is sent as the X-API-Key header. The credential test uses a credit-free verification endpoint, so testing the connection does not consume any credits.

Compatibility

Requires n8n 1.0 or later. The node is declarative and has no runtime dependencies.

Usage

The node is also available as an AI agent tool (usableAsTool), so an agent can be asked for a payroll calculation directly.

Each calculation returns one item with the full result (net pay, employer cost, individual tax and social security contributions). The health insurance list returns one item per fund.

Errors from the API are surfaced with their original message. If your balance is depleted, the node reports that you need to top up at api-portal.lohnica.de.

Resources