HubSpot Developer Changelog

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...

HubDB v3 & Visitor ID APIs Available in Public Beta, Timeline v3 API in GA

Announced: August 6, 2020

Today we’re excited to bring you three updates: First, we’re releasing our HubDB API v3 into public beta, part of our ongoing effort to improve the consistency and completeness of our developer APIs. Next, we’re also releasing our Visitor...

Two CRM extensions are generally available, and new chat widget capabilities

Announced: July 2, 2020

What’s happening We’ve got two platform updates for you today. First, we’re releasing the CRM Cards and Video Conferencing Extensions to General Availability. This means these features are considered stable, and ready to be used for building great...

[Developer Preview] Video Conference Extension API

Announced: June 1, 2020

What is it? Now in Developer Preview is a video conference extension API that you can use to build "one click" integrations that will add all your video conferencing information to the meeting widget in the HubSpot CRM.

CRM API v3 is now available for general use

Announced: March 31, 2020

In January, we released a new collection of our v3 APIs into developer preview. Since then, many of you have worked with these new CRM APIs, and have provided valuable feedback and ideas for continual improvements. Thank you. Your feedback has...

CRM API v3 Developer Preview is Now Available

Announced: January 22, 2020

HubSpot API consistency and completeness has been a major point in feedback from our developer community for some time now. You spoke, and we listened! We are excited to announce the launch of a refreshed CRM API and documentation, available today...

Announcement: A new endpoint to securely download/access files upload via forms

Announced: November 7, 2019

What's happening? The URL for files uploaded via HubSpot forms now supports two additional forms of authentication. These authentication methods are available in addition to the existing, browser-based authentication. Files can now be accessed using...

Announcement: New restrictions on Forms File upload access

Announced: October 3, 2019

Update: This change has been deployed. New uploaded form files will have the new Url format and will require HubSpot authentication to access. Existing form files will be migrated to the new authenticated urls over the next couple days. What's...

Upcoming: A change for number properties in CRM APIs

Live: June 12, 2020

What's happening? We are going to restrict number property values in the API to contain only numeric digits, an optional single negative sign ("-"), and an optional single decimal point represented by a period/dot symbol. Attempts to save values on...

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