Deprecating Support for HubSpot v4 APIs
HubSpot v4 APIs will move to an unsupported state on March 30, 2027, and will no longer receive updates, bug fixes, or stability guarantees after that date.
On March 30, 2027, HubSpot v4 APIs will move to an unsupported state. After that date, v4 APIs will no longer receive updates, bug fixes, or stability guarantees from HubSpot.

Source: original entry ↗
More from HubSpot
Follow HubSpot to get its new changes in your feed and email digest.
HubSpot-hosted domains moving to TLS 1.2 minimum
HubSpot will automatically update the minimum TLS version for HubSpot-hosted domains from TLS 1.0 or 1.1 to TLS 1.2 on October 14th, enhancing security for all hosted domains.
End of Support for v1-v3 APIs and Legacy Apps
HubSpot is ending support for v1-v3 APIs, legacy public apps, and legacy private apps effective September 2027. Customers and partners have a 12-month window from the announcement to migrate to supported alternatives.
Fall 2026 Spotlight - Developer and Builder Updates
HubSpot's Fall 2026 release introduces new features on Developer Platform 2026.09, including updated APIs, new beta APIs, and AI builder tools. This changelog covers non-breaking updates; see the separate breaking changes article for legacy API deprecations.