HubSpot Developer Changelog (27)

Announcing the public beta of the next version of Custom Workflow Actions

Announced: September 23, 2020

In September of 2018, we released the initial version of our Workflow Extensions. Since then, we’ve been thrilled to see all the great custom workflow actions that have been built.

The Accounting Extensions API is now available for general use

Announced: September 22, 2020

Today we're announcing the release of the Accounting Extensions API to general availability. This means that the API is now considered stable and available for anyone to use for development.

Announcing Custom Objects and the Custom Object API

Announced: September 22, 2020

Today we’re thrilled to announce that custom objects are live and available for all Enterprise accounts. You can now create objects that are specifically tailored to your use case. For example, create a real estate Listing object and associate...

Visitor Identification API goes to GA

Announced: September 21, 2020

We’re excited to announce that our Visitor Identification API is going from beta to general availability. With this change, you can now confidently start building integrations with this API. Thanks for all the feedback you passed along during the...

CMS CLI watch skips initial upload, create vue-app

Live: September 15, 2020

Thanks to feedback from the community the CMS CLI watch command has been updated to not immediately upload the watched directory by default. It's now also easier to start working with Vue.js on HubSpot.

Blog V3 APIs for Author, Posts, and Tags now available in Developer Preview

Announced: September 8, 2020

We are excited to announce the release of our V3 Blog APIs for Authors, Posts, and Tags to developer preview (open beta). This new Blog V3 API is more consistent and developer-friendly.

Accounting Extensions Available in Public Beta

Announced: September 3, 2020

We've released our new Accounting Extension API in to public beta. This API makes it easier for users to connect their accounting system to HubSpot. As always with public beta, we're releasing this new to get public feedback. It is not intended for...

Upcoming: Timeline API Maintenance

Announced: September 2, 2020

The Timeline API will be undergoing maintenance between 2:00 PM and 2:30 PM Eastern Time Thursday, September 3. During this maintenance period, there will be a brief period where the Timeline API will be unavailable, and any requests to the API will...

Adding a new required parameter to crm_associations HubL Function

Announced: August 27, 2020

The crm_associations HubL Function is being updated and we are adding a new required parameter for the “association category” to the function.

The contentType header for JavaScript and HTML in the Files tool is changing

Live: August 17, 2020

The contentType header for JavaScript and HTML served from the default HubSpot File Manager CDN is changing.

Breaking Change for DateTime Properties in Marketing Emails

Live: April 16, 2025

Starting April 16th, 2025, any DateTime properties in your HubSpot CRM used as personalization tokens in Marketing Emails will now include both the date and time stored in the property rather than just the date.

Sunset of JWT SSO Setup for Private Content

Live: January 29, 2025

What's Changing? On January 29th, 2025 we are deprecating the ability to set up Single Sign-On (SSO) for JWT-based applications. Moving forward, we will be replacing this functionality with the OpenID Connect (OIDC) standard1. If you are already...

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Live: April 29, 2025

We are removing the undocumented support for requesting custom object types by their base name (GET/crm/v3/objects/{baseName}) in HubSpot public APIs. All custom object types must be referenced by their unique identifier (object type ID, fully...

Public Beta: Automatic Deactivation of Exposed Tokens

Live: April 7, 2025

To enhance the security of our platform and protect our customers, we are introducing an automatic token deactivation public beta feature on October 8th, 2024, for any HubSpot tokens publicly exposed in GitHub repositories. This update is designed...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: February 10, 2025

HubSpot is introducing a new limit on the number of IDs that can be supplied to the Batch Read endpoint for (/{fromObjectType}/{toObjectType}/batch/read) both the v3 and v4 public Associations API.

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: April 7, 2025

Starting April 7th, 2025, HubSpot will implement enhanced validations for non-string property values, including enumeration and multi-value enumeration property values submitted via the CRMObject APIs. This change aims to improve data integrity and...

Update: Legacy CTA Sunset

Live: March 31, 2025

Based on community feedback, we have updated our approach to transitioning from Legacy CTAs to the new CTA editor in HubSpot. In Q1 2025, new CTAs cannot be created by the Legacy CTA editor. Below are more details explaining the plan and changes to...

Upcoming Sunset: V1 Contact Lists API

Live: May 30, 2025

What’s changing? The V1 Contact Lists API will sunset on May 30th, 2025. After this date, calls made to the v1 endpoints will no longer function. We're sunsetting the V1 Contact Lists API to focus our development efforts on the improved V3 Lists...