HubSpot Developer Changelog

November brings a rollup with several updates across the platform. We've expanded record limits for Orders and Carts objects, increased association limits fivefold to 250,000 per object type, and launched the new Projects API for programmatic ...

You can now ask Claude to create and update your CRM records, such as contacts and deals, and log activities like notes or tasks. Claude will also have access to your complete engagement history, including emails, calls, and meetings.

October has come to an end, so happy Halloween to all who celebrate 🎃. We've got a packed rollup for you, including logic change to CPQ quotes, a bugfix for product delete permissions, a new batch endpoint for the ...

HubSpot workflows are becoming more flexible with expanded support for event-based processes. Traditionally, workflows and their custom actions have relied on a specific “

We previously announced that HubSpot would implement enhanced validations for non-string property values to improve data integrity and user experience by prohibiting leading or trailing whitespace characters, including invisible unicode ...

In September 2025, HubSpot rolled out a series of impactful developer updates, alongside those already announced during Inbound for the Developer ...

On September 3rd, 2025, HubSpot launched the new Developer Platform, version

The HubSpot public APIs are the foundation for extending the power of the Smart CRM to wherever our customers do business. As we remain committed to improving developer productivity, we’re improving and expanding upon our suite of public APIs to ...

We've been working on a lot of big changes for developers, and couldn't be more excited to share them with you. We typically start changelog posts with a summary of everything, but this time it's too much to summarize, forgive us but "we did a ...

August brings a mix of UX polish and platform readiness for developers. You’ll see a new Sections Library modal in the page editor, upgrades to the marketplace listing editor, clearer certification renewal states, and the Smart Transfer tool ...