---
title: "Create a Bilanzkreis (real or virtual)"
method: POST
path: "/api/bilanzkreis"
tags: ["Settlement (Abrechnung)"]
---

# Create a Bilanzkreis (real or virtual)

`POST /api/bilanzkreis`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/bilanzkreis`
- Auth: none declared

Creates a balance group definition. Real BKs map to MaBiS interfaces. Virtual BKs aggregate multiple MeLos for internal settlement.

## Query parameters

- `token` string

## Request body

- object
  - `id` string, required
  - `name` string, required
  - `type` 'real' | 'virtual_energy_sharing' | 'virtual_mieterstrom' | 'virtual_arealnetz' | 'virtual_vpp', required
  - `participants` object[], required
  - `gridOperatorMastrId` string
  - `validFrom` string
  - `validTo` string
  - `metadata` object
  - `token` string: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.

## Response `200`

Successful response

- object

---

[API](https://skmtc.dev/cernion/apis/cernion-energy-tools-api.md) · [All operations](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/revisions/cdb94473b538?raw)