---
title: "Register a controllable device (§14a EnWG)"
method: POST
path: "/api/flex/devices"
tags: ["Flex (§14a Flexibilitätsmanagement)"]
---

# Register a controllable device (§14a EnWG)

`POST /api/flex/devices`

## Request

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

Registers a controllable consumption device (wallbox, heat pump, storage) for §14a grid management. Devices are eligible for reduced network tariffs in exchange for temporary dimming.

## Query parameters

- `token` string

## Request body

- object
  - `deviceId` string, required
  - `type` 'wallbox' | 'heat_pump' | 'storage' | 'air_conditioning' | 'other', required
  - `capacityKw` number, required
  - `minDimmingKw` number
  - `meloId` string
  - `customerName` string
  - `postalCode` string
  - `steuerboxId` string
  - `registeredSince` string
  - `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)