HubSpot Developer Changelog (31)

New required information for the Associations API v3 in developer preview

Announced: March 26, 2020

Update: March 30 - This change is now live. What’s happening When creating, updating or removing associations between CRM objects, you will now need to specify a type of association. This type will also be returned when requesting associations for...

Improvements to authentication errors for V3 endpoints in developer preview program

Announced: March 11, 2020

What’s happening

New API client libraries available

Announced: February 25, 2020

What’s happening?

Restrict the Transactional Email SMTP endpoints to OAuth authentication only and sunset API key usage

Announced: February 19, 2020

What’s happening The usage of API keys for the Transactional Email SMTP endpoints listed below is being sunset.

Calling extensions is now available in Developer Preview

Announced: February 4, 2020

What's happening? Today we're releasing the new calling extensions feature to our developer preview program.

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...

Sunset: The CMS Site Maps API is being deprecated

Live: June 12, 2020

Update: This sunset is now scheduled for June 12. See this post for details. What's happening? The Site Maps API was released when the HubSpot CMS originally launched, and at the time many settings for hosted sites (including things like the...

HubSpot-PHP client library v2 is now available and Two new Node.js example apps

Announced: January 7, 2020

HubSpot-PHP client library v2 is now available What’s happening?

Sunset: The Companies API endpoint GET /companies/v2/companies/domain/:domain is being deprecated

Live: June 12, 2020

Update: This sunset is now scheduled for June 12. See this post for details. What's happening? A previously deprecated endpoint for the Companies API that searches for company records by domain name is being sunset. The path of this endpoint is:

Google Analytics and the HubSpot cookie banner

Announced: December 12, 2019

What’s happened? On November 1, 2019, we made a change to the Google Analytics integration that will prevent the Google Analytics tracking script from firing until a visitor opts in to cookie tracking via the HubSpot cookie banner.

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...