ISO New England

ISO New England Hourlyrcp API

8 path template(s) under /hourlyrcp in the published ISO New England Web Services API v1.1 documentation.

GitHub OpenAPI
Business capability
Reserves & Ancillary Services BC-3830.40

Operations 8

GET /hourlyrcp/final Default resource #
GET /hourlyrcp/final/current Get the current Hourly Final Rcp #
GET /hourlyrcp/final/day/{day} Get an entire days HourlyPrelim RCP Only the past [?] days are supported #
GET /hourlyrcp/final/info Get the Service Info for Hourly Final Regulation Clearing Prices(RCPs) #
GET /hourlyrcp/prelim Default resource #
GET /hourlyrcp/prelim/current Get the current Hourly Prelim Rcp #
GET /hourlyrcp/prelim/day/{day} Get an entire days HourlyPrelim RCP Only the past [?] days are supported #
GET /hourlyrcp/prelim/info Get the Service Info for Hourly Prelim Regulation Clearing Prices(RCPs) #

Documentation

📖
APIReference
https://webservices.iso-ne.com/docs/v1.1/
📖
Documentation
https://www.iso-ne.com/participate/support/web-services-data
📖
Documentation
https://www.iso-ne.com/participate/applications-status-changes/access-software-systems
📖
Documentation
https://www.iso-ne.com/static-assets/documents/2017/06/webservices_documentation.xlsx

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/openapi/iso-new-england-hourlyrcp-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/json-schema/iso-new-england-web-services-schemas.json

Other Resources

🔗
SignUp
https://www.iso-ne.com/signup
🔗
Portal
https://www.iso-ne.com/isoexpress/
🔗
XMLSchema
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/schemas/iso-new-england-web-services-ns0.xsd
🔗
XMLSchema
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/schemas/iso-new-england-web-services-ns1.xsd
🔗
XMLSchema
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/schemas/nextt-web-services.xsd
🔗
Examples
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/examples/_index.yml
🔗
DataModel
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/data-model/iso-new-england-data-model.yml
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/iso-new-england/refs/heads/main/errors/iso-new-england-problem-types.yml
🔗
WADL
https://webservices.iso-ne.com/api/v1.1?_wadl&_type=xml

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OpenAPI Specification

iso-new-england-hourlyrcp-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: ISO New England Web Services API v1.1 Hourlyrcp API
  version: '1.1'
  description: RESTful interface to ISO New England energy and market data.
  contact:
    name: ISO New England Ask ISO
    url: https://askiso.iso-ne.com/s/
  x-provenance:
    method: derived
    derived_by: API Evangelist enrichment pipeline
    derived_on: '2026-07-27'
    sources:
    - https://webservices.iso-ne.com/docs/v1.1/
    - https://webservices.iso-ne.com/docs/v1.1/ns0.xsd
    - https://webservices.iso-ne.com/docs/v1.1/ns1.xsd
    - https://www.iso-ne.com/participate/support/web-services-data
    not_provider_published: true
    note: Derived from provider-published HTML documentation and XSDs. Not an ISO New England artifact.
servers:
- url: https://webservices.iso-ne.com/api/v1.1
  description: Production base path (HTTP Basic over SSL)
security:
- basicAuth: []
tags:
- name: hourlyrcp
  description: 8 path template(s) under /hourlyrcp in the published ISO New England Web Services API v1.1 documentation.
paths:
  /hourlyrcp/final:
    get:
      operationId: getHourlyrcpFinal
      summary: Default resource
      description: Default resource. Redirects to Hourly Final Regulation Clearing Prices(RCPs).
      tags:
      - hourlyrcp
      responses:
        '200':
          description: Successful response.
          content:
            application/xml:
              schema:
                description: Response payload is not described in the published documentation.
            application/json:
              schema:
                description: Response payload is not described in the published documentation.
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.final.html
        harvested: '2026-07-27'
  /hourlyrcp/final/current:
    get:
      operationId: getHourlyrcpFinalCurrent
      summary: Get the current Hourly Final Rcp
      description: Get the current Hourly Final Rcp.
      tags:
      - hourlyrcp
      responses:
        '200':
          description: a HourlyRcpsElement containing the current Hourly Final Regulation Clearing Prices(RCPs).
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
            application/json:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.final.current.html
        harvested: '2026-07-27'
      x-xml-element: HourlyRcps
  /hourlyrcp/final/day/{day}:
    get:
      operationId: getHourlyrcpFinalDayByDay
      summary: Get an entire days HourlyPrelim RCP Only the past [?] days are supported
      description: Get an entire days HourlyPrelim RCP Only the past [?] days are supported.
      tags:
      - hourlyrcp
      responses:
        '200':
          description: a HourlyRcpsElement containing the Hourly Final Regulation Clearing Prices(RCPs).
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
            application/json:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.final.day.day.html
        harvested: '2026-07-27'
      x-xml-element: HourlyRcps
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
        description: The day to retrieve data for (YYYYMMDD)
  /hourlyrcp/final/info:
    get:
      operationId: getHourlyrcpFinalInfo
      summary: Get the Service Info for Hourly Final Regulation Clearing Prices(RCPs)
      description: Get the Service Info for Hourly Final Regulation Clearing Prices(RCPs).
      tags:
      - hourlyrcp
      responses:
        '200':
          description: the ServiceInfoElement for Hourly Final Reserve Price.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.final.info.html
        harvested: '2026-07-27'
      x-xml-element: ServiceInfo
  /hourlyrcp/prelim:
    get:
      operationId: getHourlyrcpPrelim
      summary: Default resource
      description: Default resource. Redirects to Hourly Prelim Regulation Clearing Prices(RCPs).
      tags:
      - hourlyrcp
      responses:
        '200':
          description: Successful response.
          content:
            application/xml:
              schema:
                description: Response payload is not described in the published documentation.
            application/json:
              schema:
                description: Response payload is not described in the published documentation.
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.prelim.html
        harvested: '2026-07-27'
  /hourlyrcp/prelim/current:
    get:
      operationId: getHourlyrcpPrelimCurrent
      summary: Get the current Hourly Prelim Rcp
      description: Get the current Hourly Prelim Rcp.
      tags:
      - hourlyrcp
      responses:
        '200':
          description: a HourlyRcpsElement containing the current Hourly Prelim Regulation Clearing Prices(RCPs).
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
            application/json:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.prelim.current.html
        harvested: '2026-07-27'
      x-xml-element: HourlyRcps
  /hourlyrcp/prelim/day/{day}:
    get:
      operationId: getHourlyrcpPrelimDayByDay
      summary: Get an entire days HourlyPrelim RCP Only the past [?] days are supported
      description: Get an entire days HourlyPrelim RCP Only the past [?] days are supported.
      tags:
      - hourlyrcp
      responses:
        '200':
          description: a HourlyRcpsElement containing the Hourly Prelim Regulation Clearing Prices(RCPs).
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
            application/json:
              schema:
                $ref: '#/components/schemas/HourlyRcps'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.prelim.day.day.html
        harvested: '2026-07-27'
      x-xml-element: HourlyRcps
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
        description: The day to retrieve data for (YYYYMMDD)
  /hourlyrcp/prelim/info:
    get:
      operationId: getHourlyrcpPrelimInfo
      summary: Get the Service Info for Hourly Prelim Regulation Clearing Prices(RCPs)
      description: Get the Service Info for Hourly Prelim Regulation Clearing Prices(RCPs).
      tags:
      - hourlyrcp
      responses:
        '200':
          description: the ServiceInfoElement for Hourly Prelim Reserve Price.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.hourlyrcp.prelim.info.html
        harvested: '2026-07-27'
      x-xml-element: ServiceInfo
components:
  schemas:
    HourlyRcp:
      $ref: '#/components/schemas/Rcp'
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_HourlyRcp
    ServiceInfo:
      type: object
      properties:
        LatestBeginDate:
          type: string
          format: date-time
        CreationDate:
          type: string
          format: date-time
      required:
      - LatestBeginDate
      - CreationDate
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_ServiceInfo
    HourlyRcps:
      type: object
      properties:
        HourlyRcp:
          type: array
          items:
            $ref: '#/components/schemas/HourlyRcp'
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_HourlyRcps
    Rcp:
      type: object
      properties:
        BeginDate:
          type: string
          format: date-time
        RegClearingPrice:
          type: number
        RegServiceClearingPrice:
          type: number
        RegCapacityClearingPrice:
          type: number
        HourEnd:
          type: string
      required:
      - BeginDate
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_Rcp
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication over SSL. Credentials come from a free, self-serve ISO Express account; ISO New England states that ISO Express account holders are automatically granted access to the public data feeds. See https://www.iso-ne.com/participate/applications-status-changes/access-software-systems