Cernion EIC Code Management API

The EIC Code Management API from Cernion — 5 operation(s) for eic code management.

Operations 5

POST /api/eic-codes/validate Validate EIC code format (IEC 62325 standard) #
GET /api/eic-codes/gas-operators List German gas storage operators with EIC codes #
GET /api/eic-codes/gas-facilities List German gas storage facilities (UGS) with EIC codes #
GET /api/eic-codes/statistics Statistics about EIC database (total count, breakdown by type/sector/country) #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/cernion-de:cernion-de-eic-code-management-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

cernion-de-eic-code-management-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Cernion Energy Tools EIC Code Management API
  version: 0.99.22
  description: 'MicroService Agent System for Energy Markets - REST API with AI integration.


    CERNION_TOKEN: request at https://cernion.de/ or by email: dev@stromdao.com.


    For the public instance at https://api.cernion.de/, create your token at https://cernion.de/cet-token/.'
servers:
- url: https://api.cernion.de
  description: API Server
tags:
- name: EIC Code Management
paths:
  /api/eic-codes/search:
    post:
      summary: Search EIC code database by code or company name
      tags:
      - EIC Code Management
      operationId: eic_codes_search
      parameters:
      - $ref: '#/components/parameters/TokenQuery'
      responses:
        '200':
          description: Search results with matching EIC codes
          content:
            application/json:
              example:
                success: true
                data:
                  results:
                  - code: 21X000000001254A
                    name: Netze BW GmbH
                    country: DE
                    sector: electricity
                    type: Distribution System Operator
                  count: 1
                  limit: 10
            text/csv:
              description: CSV download (when format=csv)
              schema:
                type: string
            application/vnd.openxmlformats-officedocument.spreadsheetml.sheet:
              description: Excel XLSX download (when format=xlsx or format=xls)
              schema:
                type: string
                format: binary
        '400':
          description: Validation error - at least code or name required
      description: 'Search 72,580+ EIC codes from ENTSO-E and AGSI/GIE.


        **At least one of ''code'' or ''name'' is required.**


        **Parameter Details:**

        - **code**: Exact 16-character EIC code (e.g., "21X000000001254A")

        - **name**: Company name with fuzzy matching (e.g., "Stadtwerke", "RWE", "Netze BW")

        - **country**: ISO 3166-1 alpha-2 code - Common: DE (Germany), FR (France), NL (Netherlands), AT (Austria), CH (Switzerland), PL (Poland), CZ (Czech Republic)

        - **sector**: Filter by energy sector - "electricity" or "gas"

        - **limit**: Results limit (1-100, default: 10)


        **Use Cases:**

        - Find valid operator codes for AGSI gas storage queries

        - Research market partners and grid operators

        - Validate EIC codes before API calls'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                code:
                  type: string
                  description: Exact EIC code (16 characters, starts with 2 digits + X)
                  example: 21X000000001254A
                  pattern: ^[0-9]{2}X[A-Z0-9]{13}$
                name:
                  type: string
                  description: Company/operator name (fuzzy search, minimum 3 characters recommended)
                  example: Stadtwerke München
                  minLength: 1
                country:
                  type: string
                  description: ISO 3166-1 alpha-2 country code
                  example: DE
                  enum:
                  - AT
                  - BE
                  - BG
                  - CH
                  - CZ
                  - DE
                  - DK
                  - EE
                  - ES
                  - FI
                  - FR
                  - GB
                  - GR
                  - HR
                  - HU
                  - IE
                  - IT
                  - LT
                  - LU
                  - LV
                  - NL
                  - 'NO'
                  - PL
                  - PT
                  - RO
                  - SE
                  - SI
                  - SK
                  minLength: 2
                  maxLength: 2
                sector:
                  type: string
                  enum:
                  - electricity
                  - gas
                  description: Energy sector filter
                  example: electricity
                limit:
                  type: integer
                  description: Maximum number of results
                  minimum: 1
                  maximum: 100
                  default: 10
                format:
                  type: string
                  enum:
                  - json
                  - csv
                  - xlsx
                  - xls
                  description: Output format. "csv" and "xls"/"xlsx" trigger a file download.
                  default: json
                token:
                  type: string
                  description: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.
            examples:
              byExactCode:
                summary: Find by exact EIC code
                value:
                  code: 21X000000001254A
              byCompanyName:
                summary: Find by company name
                value:
                  name: Stadtwerke München
                  country: DE
                  sector: electricity
                  limit: 10
              byPartialName:
                summary: Fuzzy search by partial name
                value:
                  name: Netze
                  country: DE
                  limit: 20
              gasOperatorsDE:
                summary: Find German gas operators
                value:
                  name: Gas
                  country: DE
                  sector: gas
                  limit: 15
              csvExport:
                summary: Export results as CSV
                value:
                  name: Netze
                  country: DE
                  limit: 50
                  format: csv
  /api/eic-codes/validate:
    post:
      summary: Validate EIC code format (IEC 62325 standard)
      tags:
      - EIC Code Management
      operationId: eic_codes_validate
      parameters:
      - $ref: '#/components/parameters/TokenQuery'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
      description: 'Validates EIC code format according to IEC 62325 standard. Checks: length (16 characters), LIO area (10-70), code type character, check digit algorithm. Use for pre-validation before API calls, form input validation.'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - code
              properties:
                code:
                  type: string
                  minLength: 16
                  maxLength: 16
                  description: EIC code to validate
                  example: 21X000000001254A
                token:
                  type: string
                  description: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.
            examples:
              validCode:
                summary: Valid EIC code
                value:
                  code: 21X000000001254A
              invalidCode:
                summary: Invalid EIC code
                value:
                  code: INVALID123456789
  /api/eic-codes/gas-operators:
    get:
      summary: List German gas storage operators with EIC codes
      tags:
      - EIC Code Management
      operationId: eic_codes_gasOperators
      parameters:
      - name: country
        in: query
        schema:
          type: string
          default: DE
        description: ISO country code
        example: DE
      - name: includeMetadata
        in: query
        schema:
          type: boolean
          default: false
        description: Include additional operator details
        example: false
      - name: format
        in: query
        schema:
          type: string
          enum:
          - json
          - csv
          - xlsx
          - xls
          default: json
        description: Output format. "csv" and "xls"/"xlsx" trigger a file download.
        example: json
      - $ref: '#/components/parameters/TokenQuery'
      responses:
        '200':
          description: List of gas storage operators with EIC codes
          content:
            application/json:
              schema:
                type: object
            text/csv:
              description: CSV download (when format=csv)
              schema:
                type: string
            application/vnd.openxmlformats-officedocument.spreadsheetml.sheet:
              description: Excel XLSX download (when format=xlsx or format=xls)
              schema:
                type: string
                format: binary
      description: 'Retrieve list of gas storage system operators in Germany with their EIC codes. Use cases: Find valid codes for AGSI operator queries, German gas storage market overview, operator portfolio analysis.'
  /api/eic-codes/gas-facilities:
    get:
      summary: List German gas storage facilities (UGS) with EIC codes
      tags:
      - EIC Code Management
      operationId: eic_codes_gasFacilities
      parameters:
      - name: operatorCode
        in: query
        schema:
          type: string
          example: 21X000000001262B
        description: Filter by operator EIC code
        example: 21X000000001262B
      - name: country
        in: query
        schema:
          type: string
          default: DE
        description: ISO country code
        example: DE
      - name: format
        in: query
        schema:
          type: string
          enum:
          - json
          - csv
          - xlsx
          - xls
          default: json
        description: Output format. "csv" and "xls"/"xlsx" trigger a file download.
        example: json
      - $ref: '#/components/parameters/TokenQuery'
      responses:
        '200':
          description: List of underground gas storage facilities with EIC codes
          content:
            application/json:
              schema:
                type: object
            text/csv:
              description: CSV download (when format=csv)
              schema:
                type: string
            application/vnd.openxmlformats-officedocument.spreadsheetml.sheet:
              description: Excel XLSX download (when format=xlsx or format=xls)
              schema:
                type: string
                format: binary
      description: 'Retrieve underground gas storage facilities in Germany. Use cases: Find valid codes for AGSI facility queries, operator portfolio breakdown, facility-level monitoring.'
  /api/eic-codes/statistics:
    get:
      summary: Statistics about EIC database (total count, breakdown by type/sector/country)
      tags:
      - EIC Code Management
      operationId: eic_codes_statistics
      parameters:
      - $ref: '#/components/parameters/TokenQuery'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
      description: Get comprehensive statistics about the EIC code database including 72,580+ total codes with breakdowns by type (party, resource, substation, area, operator, tie-line, location, facility), sector (electricity/gas), and country. Use for database health checks and coverage assessment.
components:
  parameters:
    TokenQuery:
      name: token
      in: query
      required: false
      schema:
        type: string
      description: Optional Cernion MCP token as URL query parameter. If provided, it overrides CERNION_TOKEN for this request. Prefer Authorization Bearer header in production to reduce token exposure in URLs/logs.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Optional Cernion MCP token. If not provided, falls back to CERNION_TOKEN from environment. Request token at https://cernion.de/ or by email: dev@stromdao.com.'