HubSpot Developer Changelog

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

We're updating the requirements for listed and certified apps in the HubSpot Marketplace to align with current platform standards and deprecations. These updates ensure that apps stay compatible with HubSpot's evolving platform and APIs, ...

What’s changing? We’ve recently shared our vision for building an open ecosystem for the agent era

This month, on top of all the of the amazing updates and releases from Spring Spotlight 2026, we also have updates regarding the availability of our legacy CRM card migration tool, new ...