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Gross-to-Net API

The fastest way to determine the payout amount and the employer costs.

Brutto-Netto API
Why Lohnica

Precise results with little effort

The Lohnica API calculates gross and net salaries in real time.

01Use cases

Versatile in use

  • Workforce planning and budgeting
  • Salary negotiations and offer preparation
  • Payroll cost analyses and forecasts
  • Integration into HR software and application portals

Save yourself the effort of researching and implementing the calculation rules.

Vielseitig einsetzbar
02Legal status

Always up to date

  • Health insurance contributions updated daily
  • Calculation according to current legislation
  • Calculations for periods in the past are possible
  • Automatic updates when the law changes

Stay current – without any extra effort.

Immer aktuell
03Speed

Real-time net salary calculator

  • Calculations for different scenarios within seconds
  • Takes tax classes, child allowances and further factors into account
  • Detailed breakdown of all deductions
Echtzeit
Integration & operations

Four reasons why connecting is quick

Simple, fast and secure integration

  • Standardised JSON interface
  • Highest availability and fast response times
  • GDPR compliant through anonymisation, no processing of personal data
  • Encrypted data transfer

AI integration via MCP

  • Payroll calculations directly in AI assistants such as Claude or Cursor
  • Remote MCP server at mcp.lohnica.de – no local installation
  • All API functions available as MCP tools
  • Authentication via API key or OAuth

Support and consulting

  • Technical support during integration
  • Regular updates and improvements
  • Advice on how to make the most of it in your use case

Cost efficient and scalable

  • Fair pricing models, adapted to your usage volume
  • No hidden costs or long-term contract commitments
  • Scales from startups to large enterprises
FAQ

Frequently asked questions

Net salary from gross, gross from a target net, and the salary that fits a labour-cost budget – each with all deductions, employer shares and levies, itemised by position.

Contact

Interested?

We would be happy to discuss the many ways you can put the Lohnica Gross-to-Net API to work.

Leave us your email address and we will get back to you.

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