HubSpot Developer Changelog

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 ...

Beginning May 26, 2026, the ability to create new legacy public apps

Welcome to the Spring Spotlight special edition of the developer changelog. We've got a lot of exciting updates to go over, including the general availability of date-based versioned APIs and Developer Platform version 2026.03. With these ...

The remote HubSpot MCP server is graduating from beta and is now generally available to all HubSpot accounts. This release adds write capabilities, Activity history, marketing content objects, and organizational context — so any MCP-compatible AI ...

HubSpot will migrate content rendering from the legacy Java Runtime Environment (JRE) locale dataset to the Common Locale Data Repository (CLDR), the current industry standard for localization. Most content will remain unchanged, while some ...

Today we're introducing a new versioning system for our APIs, using a /YYYY-MM/ format (like /2026-03/) instead of v1, v2, v3, v4 to denote the month in which the API was shipped. This date-based versioning gives ...