> ## Documentation Index
> Fetch the complete documentation index at: https://docs.engrate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Clearing Calendar

> Get MaBiS clearing deadlines for a settlement month.

Returns all relevant MaBiS clearing deadlines based on Werktag (working day, Mon–Fri excluding DE public holidays) calculations per BK6-24-174 Section 3.10.

**Key deadlines** - Erstaufschlag BG-SZR: M+10 WT — TSO publishes initial balance group summary - Erstaufschlag BK-SZR: M+12 WT — TSO publishes initial balance circle summary - Clearing start BG-SZR: M+11 WT - Clearing start BK-SZR: M+13 WT - Preliminary billing: M+18 WT - Clearing end: M+30 WT — objection window closes - Final billing: M+42 WT

**Current phase values**: 'erstaufschlag', 'clearing', 'final', 'closed'

Example: pass `bilanzierungsmonat=2026-01-01` to get deadlines for January 2026.



## OpenAPI

````yaml /openapi.json get /schedule-management/v1/mabis/clearing-calendar
openapi: 3.1.0
info:
  title: Engrate API
  version: 1.0.0
servers:
  - url: https://api.engrate.io
security:
  - apiKeyAuth: []
paths:
  /schedule-management/v1/mabis/clearing-calendar:
    get:
      tags:
        - mabis
      summary: Get Clearing Calendar
      description: >-
        Get MaBiS clearing deadlines for a settlement month.


        Returns all relevant MaBiS clearing deadlines based on Werktag (working
        day, Mon–Fri excluding DE public holidays) calculations per BK6-24-174
        Section 3.10.


        **Key deadlines** - Erstaufschlag BG-SZR: M+10 WT — TSO publishes
        initial balance group summary - Erstaufschlag BK-SZR: M+12 WT — TSO
        publishes initial balance circle summary - Clearing start BG-SZR: M+11
        WT - Clearing start BK-SZR: M+13 WT - Preliminary billing: M+18 WT -
        Clearing end: M+30 WT — objection window closes - Final billing: M+42 WT


        **Current phase values**: 'erstaufschlag', 'clearing', 'final', 'closed'


        Example: pass `bilanzierungsmonat=2026-01-01` to get deadlines for
        January 2026.
      operationId: get_clearing_calendar_schedule_management_v1_mabis_clearing_calendar_get
      parameters:
        - description: Settlement month (YYYY-MM-DD, first day of month)
          in: query
          name: bilanzierungsmonat
          required: true
          schema:
            description: Settlement month (YYYY-MM-DD, first day of month)
            format: date
            title: Bilanzierungsmonat
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClearingCalendarResponse'
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
components:
  schemas:
    ClearingCalendarResponse:
      description: MaBiS clearing calendar for a settlement month.
      properties:
        bilanzierungsmonat:
          description: Settlement month (YYYY-MM-DD)
          title: Bilanzierungsmonat
          type: string
        clearing_end_bg_szr:
          description: BG-SZR clearing phase end (30 WT)
          title: Clearing End Bg Szr
          type: string
        clearing_end_bk_szr:
          description: BK-SZR clearing phase end (30 WT)
          title: Clearing End Bk Szr
          type: string
        clearing_start_bg_szr:
          description: BG-SZR clearing phase start (11 WT)
          title: Clearing Start Bg Szr
          type: string
        clearing_start_bk_szr:
          description: BK-SZR clearing phase start (13 WT)
          title: Clearing Start Bk Szr
          type: string
        current_phase:
          description: 'Current phase: erstaufschlag, clearing, final, closed'
          title: Current Phase
          type: string
        erstaufschlag_bg_szr:
          description: BG-SZR Erstaufschlag deadline (10 WT)
          title: Erstaufschlag Bg Szr
          type: string
        erstaufschlag_bk_szr:
          description: BK-SZR Erstaufschlag deadline (12 WT)
          title: Erstaufschlag Bk Szr
          type: string
        final_deadline:
          description: Final billing deadline (42 WT)
          title: Final Deadline
          type: string
        preliminary_deadline:
          description: Preliminary billing deadline (18 WT)
          title: Preliminary Deadline
          type: string
      required:
        - bilanzierungsmonat
        - clearing_end_bg_szr
        - clearing_end_bk_szr
        - clearing_start_bg_szr
        - clearing_start_bk_szr
        - current_phase
        - erstaufschlag_bg_szr
        - erstaufschlag_bk_szr
        - final_deadline
        - preliminary_deadline
      title: ClearingCalendarResponse
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
    ValidationError:
      properties:
        ctx:
          title: Context
          type: object
        input:
          title: Input
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          title: Location
          type: array
        msg:
          title: Message
          type: string
        type:
          title: Error Type
          type: string
      required:
        - loc
        - msg
        - type
      title: ValidationError
      type: object
  securitySchemes:
    apiKeyAuth:
      in: header
      name: Authorization
      type: apiKey

````