HubSpot Developer Changelog

(In Beta) The hs_event_status is being removed from the Marketing Events API.

Announced: December 8, 2020

The hs_event_status property is being removed from marketing events, and will no longer be available via the Marketing Events API.

The v3 Files API is now available in public beta

Announced: November 10, 2020

Today we're announcing the release of the v3 Files API to public beta. This updated version brings the Files API in line with our previously released CMS v3 APIs.

Updates for the CMS Files API

Announced: October 5, 2020

Today we're announcing a few updates for the current CMS Files API.

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.

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...

Archived CRM Pipelines will be purged after 30 days

Announced: June 25, 2020

What's happening? Beginning on July 20, any CRM pipelines that have been archived for more than 30 days will be purged.

Contacts API v1 - 415 Unsupported Media Type errors for requests missing the Content-Type header

Announced: June 2, 2020

What happened? Last week, we made some infrastructure upgrades to the Contacts API. While this upgrade was mostly transparent, and didn't change the functionality of the API, this did change how the Content-Type request header is handled.

Updates on the sunsets for the Site Maps API and domain search for the Companies API

Live: June 12, 2020

What's happening? We previously announced April sunsets for our CMS Site Maps API, and for a deprecated endpoint in the Companies API to find companies by domain. However, given the current global situation, we decided to give partners, customers,...

New features released for the Chat Widget SDK

Announced: April 16, 2020

Today we're announcing three new features for the Chat Widget SDK.

Developer Updates: Calling extensions, CMS Performance API, and CMS Content Audit API.

Announced: April 9, 2020

Calling Extensions Earlier this year, we released our new calling extensions SDK into developer preview. This feature allows users to make calls through your third-party calling service using the native calling functionality built into the HubSpot...

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