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

# Reschedule Quote

Calculate the fare difference and penalty fees for changing a flight.


## OpenAPI

````yaml POST /flight/booking/reschedule/quote
openapi: 3.0.3
info:
  title: Travomatrix B2B Travel API
  version: 1.0.0
  description: >
    Travomatrix is a high-performance multi-vertical travel booking engine
    designed for B2B enterprises.


    ### Verticals Supported

    - **Flights**: Unified interface for global GDS and NDC providers.

    - **Hotels**: Coming Soon.

    - **Rail**: Coming Soon.

    - **Cabs**: Coming Soon.


    ### Key Security & Reliability Headers

    - **X-API-Key**: Your primary server-to-server API key.

    - **Idempotency-Key**: Required for financial operations. Prevents duplicate
    actions on retries.

    - **X-Request-ID**: Optional but recommended. Used for tracing requests
    through the Travomatrix infrastructure.
servers:
  - url: https://api.travomatrix.com/api/v1
    description: Production Environment
  - url: http://uat.travomatrix.com/api/v1
    description: UAT Environment
  - url: http://localhost:80/api/v1
    description: Localhost (Port 80)
  - url: http://localhost:8080/api/v1
    description: Localhost (Port 8080)
security: []
paths:
  /flight/booking/reschedule/quote:
    post:
      tags:
        - Flights - Post-Booking
      summary: Get Reschedule Quote
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RescheduleQuoteRequest'
      responses:
        '200':
          description: Reschedule quote details.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RescheduleQuoteResponse'
      security:
        - ApiKeyAuth: []
components:
  schemas:
    RescheduleQuoteRequest:
      type: object
      required:
        - booking_id
        - new_offer_id
      properties:
        booking_id:
          type: string
        new_offer_id:
          type: string
        reason_code:
          type: string
    RescheduleQuoteResponse:
      type: object
      properties:
        booking_id:
          type: string
        fare_difference_paise:
          type: integer
        airline_change_fee_paise:
          type: integer
        ota_fee_paise:
          type: integer
        total_payable_paise:
          type: integer
        quote_valid_until:
          type: string
          format: date-time
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key

````