At Fall Spotlight on September 15, HubSpot is announcing the end of support for v1-v3 APIs, legacy public apps, and legacy private apps, all with a September 2027 enforcement date. If your integration or app uses any of these, you have a 12-month window to migrate. This changelog covers v1-v3.
Summary extracted from the official source text. Verify details on the source page.
| Platform | HubSpot |
|---|---|
| Effective date | No date published |
| Precision | n/a |
| Published | 2026-09-15 |
| Categories | API version sunsetDeprecationBreaking / action required |
| Tags | — |
| Official source | HubSpot developer changelog ↗ |
| Fetched | 2026-10-17T03:44:00+00:00 |
| First seen | 2026-10-17T01:05:46+00:00 |
| Status | Listed by the source |
| Stable ID | hubspot-67237bed79 · JSON |