Sunsetted and deprecated APIs

The APIs listed in the sections below will not receive future updates to functionality, and in some cases, will be fully sunsetted and unavailable for use in your integrations.

It's highly recommended that you subscribe to the HubSpot Developer Changelog to follow along with the latest updates, breaking changes, and other significant changes to functionality.

Sunsetted APIs

The following APIs have been fully removed, and will return an error when making a call to their associated endpoints:

  • Starting November 20th, 2022, API keys will be sunsetted as an authentication method. Learn more about this update in this changelog announcement, and how to migrate an API key integration to use a private app instead.
  • As of February 28th, 2023, the following APIs are no longer available:
  • As of August 31st, 2023, the Calendar APIs are no longer available. This includes the following endpoints:
    • List content events
    • List social events
    • List calendar task events
    • List all calendar events
    • Create calendar task
    • Get calendar task by ID
    • Update calendar task
    • Delete a calendar task

Deprecated APIs

The legacy endpoints listed below will not be getting a version update. These endpoints are functional and stable, but won’t be updated beyond their current version. HubSpot will continue to support them for the foreseeable future and will announce any future changes with ample notice on HubSpot's Developer Changelog.

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