HubSpot Developer Changelog

Now Live: Webhooks now support privacy-compliant contact deletions.

Announced: August 14, 2019

Data privacy is a top priority at HubSpot, and helping our developer community stay on top of data compliance is important to us. HubSpot users have the ability to permanently delete a contact record to comply with privacy laws. You can see more...

Complete: Timeline API Maintenance

Announced: August 5, 2019

Update: Maintenance is complete! The Timeline API will be undergoing maintenance between 5:00 PM and 6:00 PM Eastern Time Sunday, August 11. During this maintenance period, there will be a brief period where the Timeline API will be unavailable, and...

Changes to the public API demo account

Announced: July 11, 2019

Update: These changes are now live, and the demo API key will only be allowed to make GET requests. When HubSpot launched our first public APIs in 2010, we created our public API demo account so that developers would have an account that could be...

Updated API : Ecommerce Bridge v2

Announced: March 26, 2019

What's Happening? Today we're releasing an update for our Ecommerce Bridge API. The v2 release of the Ecommerce Bridge has some new features, but is backwards compatible with the v1 API.

Sunset: The V1 Forms API will be sunset on March 29th

Announced: January 30, 2019

The original v1 of the Forms API was released in sync with the launch of our then new form tools. Since then, we've added several new features to our forms, including support for progressive and dependant fields, support for inline thank you...

Update: The associatedcompanyid contact property will become read-only on April 26th

Announced: January 24, 2019

When the HubSpot CRM originally launched, contacts could only be associated with a single company. This association was done using the associatedcompanyid, since only a single association from a contact to a single company was supported. Since then,...

New feature: Get the submissions for a HubSpot form

Announced: January 23, 2019

What's happening? Today, we're releasing a new endpoint for our Forms API that will let you get the details for individual submissions for a HubSpot form. This will include all of the fields included in the submission, as well as the time that the...

HubSpot Developer Community Forum Migration Announcement

Announced: January 7, 2019

Beginning on January 7, the developer forums will be migrated from integrate.hubspot.com to community.hubspot.com --- the same platform as the HubSpot customer and CMS developer forums. The migration will conclude on January 29th.

New feature: Check for the existence of analytics data for any supported object type

Announced: December 4, 2018

What's Happening? Today we're releasing a new endpoint for the Analytics API. This endpoint will let you check to see if there is existing analytics data for any of the specific objects supported by the Analytics API. This will allow you to perform...

Join us for a Virtual AMA on 12.12.18

Announced: November 29, 2018

Ask technical questions and get answers! Join us for this free, virtual developer event on Wednesday - December 12th, 2018 at 9 am PT / 12pm ET. Submit your technical questions in advance and a panel of HubSpot development experts will answer them...

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: Upcoming Change to Scope Requirements for App Cards in Private Apps

Live: December 1, 2024

As part of our ongoing efforts to enhance security within the HubSpot ecosystem, we will update the scope requirements for app cards in private apps on December 1st, 2024.

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...

Updated Merge Functionality for CRM Objects (including Contacts and Companies)

Live: January 14, 2025

Note: This changelog supersedes a prior version published on July 22, 2024. Due to customer feedback and confusion regarding the scope of changes, we have updated and clarified the details in this new changelog. Please review the updated information...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: January 6, 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.

Updated merge functionality for contacts and companies

Live: January 14, 2025

Note: This changelog has been superseded by an updated version published on October 2, 2024. Please refer to the new changelog for the most accurate and up-to-date information regarding merge functionality for contacts, companies, and other CRM...

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

Live: January 6, 2025

Starting January 6, 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...

Legacy v1 Integration Timeline API Update

Live: December 2, 2024

We are making an important update to ensure our platform remains cutting-edge and to facilitate the introduction of new features. Starting December 2, 2024, the legacy v1 Integration Timeline API will no longer support mutations of Timeline Events....

Legacy CTA Sunset Timeline and Scope Update

Live: December 31, 2024

Previous Sunset Start: April 30, 2024