generated: '2026-07-27'
method: searched
source: https://api.voltus.co/docs/changelog/atom.xml
docs: https://api.voltus.co/docs/changelog
feeds:
  rss: https://api.voltus.co/docs/changelog/rss.xml
  atom: https://api.voltus.co/docs/changelog/atom.xml
scheme: dated entries (no release numbering); the API itself is date-versioned in the URI path
current_version: '2022-04-15'
description: >-
  A real, dated, feed-published API changelog covering both the REST API and the
  OpenADR product, running from its own launch post in October 2023 to July 2026.
  The full feed (17 entries) is captured below - Voltus's own archive begins with
  the welcome post, so this is the complete published history rather than a recent
  window.
entries:
  - date: '2026-07-01'
    title: Asset type added to meters
    url: https://api.voltus.co/docs/changelog/meter-asset-type
    kind: addition
    breaking: false
    highlights: 'GET /sites now returns asset_type on each meter: load, battery, generator or poi.'
  - date: '2026-06-02'
    title: Program ID when creating dispatches
    url: https://api.voltus.co/docs/changelog/added-program-id-param-to-post-dispatches
    kind: addition
    breaking: false
    highlights: >-
      Optional program_id on POST /dispatches creates the test dispatch against the
      groups registered under that program; omitting it keeps the previous mock-program behaviour.
  - date: '2026-05-14'
    title: Dispatch Metadata
    url: https://api.voltus.co/docs/changelog/added-dispatch-metadata
    kind: addition
    breaking: false
    highlights: Optional metadata object on the dispatch object returned by GET dispatch / list dispatches; also supported in the sandbox.
  - date: '2025-12-09'
    title: Sandbox OpenADR Support
    url: https://api.voltus.co/docs/changelog/sandbox-openadr-support
    kind: addition
    breaking: false
    highlights: Self-serve customizable dispatch scenarios extended to OpenADR integrations.
  - date: '2025-08-21'
    title: Custom Sandbox Scenarios
    url: https://api.voltus.co/docs/changelog/custom-sandbox-scenarios
    kind: addition
    breaking: false
    highlights: Custom sandbox scenarios; notification_time is now optional and defaults to now.
  - date: '2025-08-15'
    title: Modification Number and Creation Time
    url: https://api.voltus.co/docs/changelog/modification-number-and-creation-time
    kind: addition
    breaking: false
    highlights: modification_number and creation_time exposed on dispatches to make update history trackable.
  - date: '2025-07-11'
    title: New Scenarios in Sandbox Environment
    url: https://api.voltus.co/docs/changelog/sandbox-new-scenarios
    kind: addition
    breaking: false
    highlights: Cancelled-dispatch scenario via cancel_time (authorized=false) and a two-dispatches scenario via minutes_between_dispatches.
  - date: '2025-06-27'
    title: Sandbox Environment Improvements
    url: https://api.voltus.co/docs/changelog/sandbox-v2
    kind: improvement
    breaking: false
    highlights: POST scenarios accepts site IDs; sandbox dispatch IDs are now randomly generated per scenario, matching production.
  - date: '2025-01-14'
    title: New endpoint for submitting controllable load
    url: https://api.voltus.co/docs/changelog/telemetry-controllable-load
    kind: addition
    breaking: false
    highlights: POST /telemetry/controllable-load - aggregate kW controlled by the integration at a site, typically lower than metered load.
  - date: '2024-11-21'
    title: Increased range of telemetry that can be fetched at one time
    url: https://api.voltus.co/docs/changelog/telemetry-data-range-increased
    kind: improvement
    breaking: false
    highlights: Telemetry fetch window raised from 48 hours to 90 days.
  - date: '2024-11-18'
    title: Program ID
    url: https://api.voltus.co/docs/changelog/program-id
    kind: addition
    breaking: false
    highlights: Stable integer program.id exposed on dispatches returned by GET /dispatches.
  - date: '2024-03-26'
    title: Sandbox Dispatch Simulations are Self-Serve
    url: https://api.voltus.co/docs/changelog/sandbox-self-serve
    kind: improvement
    breaking: false
    highlights: Customers self-schedule dispatch scenarios instead of emailing Voltus.
  - date: '2024-02-13'
    title: Removed lookback limit on retrieving telemetry data
    url: https://api.voltus.co/docs/changelog/removed-lookback-limit-on-retrieving-telemetry-data
    kind: improvement
    breaking: false
    highlights: Two-week telemetry lookback limit removed; history is now available as far back as Voltus holds data.
  - date: '2023-12-13'
    title: DropBy field is deprecated
    url: https://api.voltus.co/docs/changelog/deprecated-field-drop-by
    kind: deprecation
    breaking: false
    highlights: dispatches.sites[n].drop_by deprecated in favour of dispatches.sites[n].commitment.
  - date: '2023-12-01'
    title: New Sandbox Dispatch Simulation Features
    url: https://api.voltus.co/docs/changelog/new-sandbox-features
    kind: addition
    breaking: false
    highlights: Simulated dispatches with changing conditions - updated end-times, back-to-back dispatches.
  - date: '2023-11-21'
    title: Test Key Moved to Sandbox Environment
    url: https://api.voltus.co/docs/changelog/test-key-moved-to-sandbox-environment
    kind: breaking
    breaking: true
    highlights: The public test key "secret" stopped working against api.voltus.co and now only works against sandbox.voltus.co.
  - date: '2023-10-11'
    title: Welcome to the Voltus API Changelog
    url: https://api.voltus.co/docs/changelog/welcome-to-the-voltus-api-changelog
    kind: announcement
    breaking: false
    highlights: Launch of the changelog, covering the REST API and OpenADR products.