openapi: 3.1.0
info:
  title: Energy Transfer Messenger+ Nominations Schedules API
  description: The Energy Transfer Messenger+ API provides programmatic access to Energy Transfer's pipeline messaging and gas scheduling platform. The API enables partners and shippers to manage gas nominations, scheduling, and pipeline capacity through automated integrations, reducing processing times from 90 minutes to approximately 12 minutes.
  version: '1.0'
servers:
- url: https://dev.messenger.energytransfer.com
tags:
- name: Schedules
  description: Access gas scheduling and capacity data.
paths:
  /schedules:
    get:
      operationId: listSchedules
      summary: List schedules
      description: Retrieves a list of confirmed gas scheduling data including scheduled quantities and flow dates.
      tags:
      - Schedules
      responses:
        '200':
          description: Success
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer