# HubSpot deprecations & changes

4 item(s): 3 upcoming, 0 without an announced date, 1 past. Data via [Dead Canary](https://deadcanary.io/vendor/hubspot/). Company profile: [HubSpot](https://rewindex.com/company/hubspot.md)

- Version sunset: 2
- Shutdown: 1
- Breaking change: 1

## Upcoming

| Effective | Type | Change | Details | Source | Via |
| --- | --- | --- | --- | --- | --- |
| 2026-12-04 | Version sunset | Pipelines API v1 sunset | Pipelines API V1 Sunset: December 4, 2026. | [source](https://developers.hubspot.com/changelog/pipelines-api-v1-sunset) | [Dead Canary](https://deadcanary.io/event/hubspot-pipelines-api-v1-sunset-688a/) |
| 2027-03-30 | Version sunset | v4 APIs | Support for v4 APIs ends on March 30, 2027, on a separate timeline announced earlier in the year. | [source](https://developers.hubspot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsupported-and-when) | [Dead Canary](https://deadcanary.io/event/hubspot-v4-apis-c4e0/) |
| 2027-09 | Shutdown | Legacy v1-v3 APIs and legacy apps unsupported | 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. | [source](https://developers.hubspot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsupported-and-when) | [Dead Canary](https://deadcanary.io/event/hubspot-legacy-v1-v3-apis-and-legacy-apps-unsupported-a85e/) |

## Past

| Effective | Type | Change | Details | Source | Via |
| --- | --- | --- | --- | --- | --- |
| 2026-09-08 | Breaking change | CRM API write-validation enforcement in 2026-09 API version (breaking) | Breaking Change: CRM API Write Validation Enforcement Starting with the 2026-09 API Version. | [source](https://developers.hubspot.com/changelog/crm-api-write-validation-enforcement) | [Dead Canary](https://deadcanary.io/event/hubspot-crm-api-write-validation-enforcement-in-2026-09-api-version-br-1e8f/) |


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Canonical: https://rewindex.com/company/hubspot/deprecations · Markdown: https://rewindex.com/company/hubspot/deprecations.md · JSON: https://rewindex.com/api/v1/companies/hubspot/deprecations · Generated 2026-10-18T08:30:45.119Z