HubSpot Developer Changelog

We’ve extended the deprecation timeline for the Contact Lists API (v1) from September 30, 2025 to April 30, 2026. After that date, v1 Lists endpoints will return HTTP 404. Please migrate to the Lists v3 API.

We're making an update to integrations using the e-commerce scope. This scope was originally created for the Ecommerce Bridge which

Today we're releasing a new API endpoint that allows app builders to uninstall their public app from a HubSpot account: DELETE /appinstalls/v3/external-install

What's changing? The “alter list membership” action ("actionTypeId": "0-13") is being split into two distinct actions: “add to list” (actionTypeId 0-63809083) and “remove from list” (actionTypeId ...

Beginning on March 5, 2025, deprecated event types will no longer be returned from the endpoint to get all ...

We've recently released new functionality for the v4 Automation API in public beta. These updates include batch endpoints and the ability to update an existing ...

On November 18th, we're making an update to property validation for any CRM properties using the "type": "bool". Currently, these properties are not validated correctly, ...

Today we're announcing the release of the Leads API, which can be used to manage lead ...

With the migration process from List IDs to ILS List IDs, the

Today we're releasing a new version of the Automation API into public beta. This new API includes updated support for all current workflows functionality, and also brings ...