generated: '2026-08-13'
method: searched
source: >-
  registry.npmjs.org package metadata for @hubspot/ui-extensions and
  @hubspot/calling-extensions-sdk, github.com/HubSpot/calling-extensions-sdk, and
  the HubSpot developer docs links carried in those packages
note: >-
  The HubSpot UI-components reference page
  (https://developers.hubspot.com/docs/reference/ui-components) 307-redirects to
  app.hubspot.com/myaccounts, so the individual component inventory (Button,
  Table, Form, Tile, …) could not be read from a public page. Only the component
  FAMILIES and their loader libraries — which are verifiable from the public npm
  packages and repositories — are recorded here. No component names are invented.
families:
- name: UI Extensions
  kind: react-components
  loader: "@hubspot/ui-extensions"
  version: 0.15.1
  published: '2026-07-31'
  registry: npm
  url: https://www.npmjs.com/package/@hubspot/ui-extensions
  docs: https://developers.hubspot.com/docs/platform/ui-components
  docs_status: gated
  description: >-
    React components and utilities for extending HubSpot's UI. Rendered inside
    CRM record pages, app cards and project-defined surfaces; shipped through the
    developer-projects pipeline (hs project upload / deploy).
  surface: in-app CRM extension
- name: Calling Extensions SDK
  kind: js-sdk-embed
  loader: "@hubspot/calling-extensions-sdk"
  version: 0.9.7
  published: '2025-10-03'
  registry: npm
  url: https://www.npmjs.com/package/@hubspot/calling-extensions-sdk
  repository: https://github.com/HubSpot/calling-extensions-sdk
  description: >-
    JavaScript SDK for embedding a third-party calling application inside the
    HubSpot CRM call widget — the provider hosts an iframe, the SDK brokers
    events between it and HubSpot.
  surface: embedded iframe widget
  note: last published 2025-10-03.