HubSpot / CRM & support

HubSpot v4 APIs end-of-life date

Support for v4 APIs ends on March 30, 2027, on a separate timeline announced earlier in the year.

163days left
Change
Version sunset
Effective
Mar 30, 2027
Announced
Sep 15, 2026
Replacement
none named; check the source
Source
developers.hubspot.com
Vendor's words
Legacy APIs and Apps: What's Going Unsupported and When. 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. Support for v4 is ending on its own separate timeline, March 30, 202…

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