---
title: "Willi-Federated Marktkommunikation/regulatory knowledge search (read-only)"
method: POST
path: "/api/willi-federated/search"
tags: ["Willi-Federated"]
---

# Willi-Federated Marktkommunikation/regulatory knowledge search (read-only)

`POST /api/willi-federated/search`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/willi-federated/search`
- Auth: none declared

Read-only federated search in parallel across Marktkommunikation/EDIFACT and regulatory (BNetzA/EnWG/EEG) collections via the internal MCP tool `cernion_willi_federated_search`. Returns article/context evidence for validation logic, structural hints and explanation context; it does not send, validate or dispatch any MaKo message and does not file, submit or act on any regulatory process step.

## Query parameters

- `token` string

## Request body

- object
  - `query` string, required
  - `limit` number
  - `tag` string
  - `category` string
  - `includeContent` boolean
  - `token` string: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.

## Response `200`

Read-only Willi-Federated search result

---

[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)