openapi: 3.2.0
info:
  title: Cheniere LNG Connection — Pipeline Informational Postings…
  version: '2026-09-06'
  summary: The JSON API behind Cheniere's LNG Connection informational-postings site for its FERC-regulated interstate natural gas pipelines.
  description: Cheniere Energy publishes the FERC-mandated informational postings for its interstate natural gas pipelines — Cheniere Creole Trail Pipeline, L.P.
  contact:
    name: Cheniere Pipeline Operations
    url: https://www.cheniere.com/about/where-we-work/creole-trail-pipeline
  x-derived-by: API Evangelist enrichment pipeline (local-v3)
  x-generated-from: provider client bundle string literals + live anonymous response probes
  x-not-published-by-provider: true
servers:
- url: https://lngconnectionapi.cheniere.com
  description: Production. Referenced as the prod baseUrl in the provider's own client bundle.
security: []
tags:
- name: Reference Data
  description: Locations, stations, contacts, legends and footers.
paths:
  /api/LocationDownload/Get:
    get:
      operationId: getLocationList
      summary: Full location master list for a TSP
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/LocationDetail'
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      description: 'The downloadable location list: FERC company id, DUNS, zone, county, state, flow direction, status and upstream/downstream party for every point on the system.'
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/LocationDownload/Get?tspNo=200
        status: 200
        date: '2026-09-06'
  /api/Station/GetStationsByCompanyId:
    get:
      operationId: getStations
      summary: Compressor and metering stations
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Station'
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/Station/GetStationsByCompanyId?tspNo=200
        status: 200
        date: '2026-09-06'
  /api/InformationContact/GetContacts:
    get:
      operationId: getInformationalContacts
      summary: Published informational-postings contacts
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/InformationalContact'
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      description: Role-based contacts the pipeline is required to publish (gas control, customer service, scheduling). Field names are recorded here; the live values are not copied into this repository.
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/InformationContact/GetContacts?tspNo=200
        status: 200
        date: '2026-09-06'
  /api/InformationContact/GetInformations:
    get:
      operationId: getInformationalPostings
      summary: Narrative informational postings
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema: {}
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      description: Array of HTML fragments carrying the pipeline's narrative postings (reversed-flow capacity, operating conditions and similar).
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/InformationContact/GetInformations?tspNo=200
        status: 200
        date: '2026-09-06'
  /api/Weather/GetWeatherLocations:
    get:
      operationId: getWeatherLocations
      summary: Weather locations for the system map
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema: {}
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      description: Probed 2026-09-06 and returned HTTP 500 with the generic error envelope for tspNo 200. Recorded as published-but-failing.
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/Weather/GetWeatherLocations?tspNo=200
        status: 500
        date: '2026-09-06'
  /api/Legend/GetLegendByMetaId:
    get:
      operationId: getLegendByMetaId
      summary: Legend text for a report
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      - name: metaId
        in: query
        required: true
        schema:
          type: integer
        description: ''
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema: {}
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/Legend/GetLegendByMetaId?tspNo=200&metaId=1003
        status: 200
        date: '2026-09-06'
  /api/Footer/GetReportFooterByMetaId:
    get:
      operationId: getReportFooterByMetaId
      summary: Footer text for a report
      tags:
      - Reference Data
      parameters:
      - name: tspNo
        in: query
        required: true
        schema:
          type: integer
        description: 'Transportation service provider (company) id. Observed values: 200 = Cheniere Creole Trail Pipeline, L.P. (DUNS 800742780, FERC CID C001506); 400 = Cheniere Corpus Christi Pipeline, L.P. (DUNS 079841991). 600 and 800 route in the client but returned no rows when probed.'
      - name: metaId
        in: query
        required: true
        schema:
          type: integer
        description: ''
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema: {}
        '404':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: 'Error. ASP.NET Web API envelope: {"message": "..."}.'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      x-probed:
        url: https://lngconnectionapi.cheniere.com/api/Footer/GetReportFooterByMetaId?tspNo=200&metaId=1003
        status: 200
        date: '2026-09-06'
components:
  schemas:
    LocationDetail:
      type: object
      description: 'Full location master record from the downloadable location list: FERC company ID, DUNS, zone, county, state, flow direction and upstream/downstream party.'
      properties:
        tsP_NO:
          type: integer
        tsP_DUNS_NO:
          type: string
        tsP_NM:
          type: string
        tsP_FERC_CID:
          type: string
        loC_ID:
          type: string
        loC_NM:
          type: string
        efF_DT:
          type: string
          format: date-time
        inacT_DT:
          type: string
          format: date-time
        loC_STATUS_CD:
          type: string
        loC_TYPE_CD:
          type: string
        floW_DIRECTION:
          type: string
        znE_LOC_GRP_NM:
          type: string
        countY_DESCR:
          type: string
        statE_CD:
          type: string
        updN_IND_CD:
          type: string
        updN_FERC_IND_CD:
          type: string
        updN_NM:
          type: string
        updN_ID:
          type: string
        updN_ID_PROP:
          type: string
        updN_FERC_CID:
          type:
          - string
          - 'null'
        updN_LOC_ID:
          type:
          - string
          - 'null'
        updN_LOC_NM:
          type:
          - string
          - 'null'
        updT_DT:
          type: string
          format: date-time
    Error:
      type: object
      description: 'ASP.NET Web API error envelope. Not RFC 9457 problem+json: a single `message` string, no `type`, `title` or `status` member.'
      properties:
        message:
          type: string
      required:
      - message
    InformationalContact:
      type: object
      description: A published informational-postings contact. Field names only; no example values are recorded in this repository.
      properties:
        contactId:
          type: integer
        name:
          type: string
        companyId:
          type: integer
        email:
          type: string
        office:
          type: string
        mobile:
          type: string
        afterHour:
          type: string
        metaId:
          type: integer
        isExpired:
          type: boolean
    Station:
      type: object
      description: A compressor / metering station shown on the system map.
      properties:
        stationId:
          type: integer
        companyId:
          type: integer
        locationId:
          type: string
        locationName:
          type: string
        directionOfFlow:
          type: string
        description:
          type: string
        isExpired:
          type: boolean
        metaId:
          type: integer
        orderBy:
          type: integer
externalDocs:
  description: LNG Connection informational postings site
  url: https://lngconnection.cheniere.com/