HubSpot Developer Changelog

HubSpot is permanently removing the ability to create new legacy, non-Project based, private apps through the account UI. Users needing similar functionality should use Service Keys, available via Developer Platform Projects version 2026.09 ...

HubSpot will sunset the Pipelines API V1 on December 4, 2026. After this date, the API will no longer be supported. If your integration relies on V1 endpoints, you'll need to migrate to the 2026-03 or ...

Node 18.x and 20.x are being deprecated as supported runtimes for Chatflows custom code snippets. If you have bot code ...

Starting with the /2026-09/ API version shipping on September 8, 2026, HubSpot will enforce admin-configured validation rules on all CRM API write paths. If your integration creates or updates CRM records, please ...

This month's updates include a raised owner property limit, larger Webhooks Journal batch sizes, and a new historical API usage chart — plus public betas for Contract Imports and the Payment Links API. Read on for the details.

The HubSpot Agent CLI is a new command-line interface purpose-built for AI agents to interact with your HubSpot CRM data — reading records, ...

We’ve improved our SDK releases to support date-based API versioning, the new /YYYY-MM/ format introduced across HubSpot’s APIs. Generated from a centrally managed API specification, SDKs now ...

This month brings a set of updates aimed at making everyday building better. Breeze Assistant steps further into your workflows, a new