---
title: "Federated search across Marktkommunikation/regulatory collections"
method: POST
path: "/api/knowledge-rag/federated-search"
tags: ["Knowledge RAG"]
---

# Federated search across Marktkommunikation/regulatory collections

`POST /api/knowledge-rag/federated-search`

## Request

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

Async wrapper for `cernion_willi_federated_search`, which searches in parallel across multiple collections optimized for Marktkommunikation (MaKo/EDIFACT) and regulatory (Festlegungen, BNetzA, etc.) content. Uses job pattern for REST calls (HTTP 202 + /api/jobs polling), same as `query`/`semantic`.

## Query parameters

- `token` string

## Request body

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

## Response `200`

RAG query result (internal/direct calls only; external callers receive 202)

- object
  - `success` boolean
  - `data` object
    - `queryType` string
    - `collection` string
    - `returned` number
    - `results` object[]
      - `pointId` string
      - `score` number
      - `referenceText_L0` string
      - `vectorText` string
      - `metadata` object
        - `title` string
        - `docType` string
        - `authority` string
        - `status` string
      - `oeoTags` string[]

## Other responses

- `202`: Job accepted and queued for async processing

---

[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)