HubSpot Developer Changelog (25)

TLS 1.0 and 1.1 support is sunsetting on March 8th, 2021

Live: March 8, 2021

To improve platform security and performance we are dropping support for TLS 1.0 and 1.1 in favor of supporting the newer versions of TLS. This will affect API integrations.

Digest: Calendar task limits and date format addition in CRM Imports

Live: November 16, 2020

This changelog digest has two updates, limiting how many calendar tasks can be created and adding a new format for dates when importing crm records.

Email and custom workflow v3 APIs are out of beta

Live: November 11, 2020

We're excited to announce that the Custom Workflow Actions API and two of our email APIs are exiting beta. You can now feel safe using them in production apps.

Browser-based lazy-loading now available for module image field

Announced: November 10, 2020

Most modern web browsers support browser-based lazy loading of images through an HTML attribute. Setting the "loading" attribute to "lazy" defers loading of the asset until just before it's needed. We've updated the image field to allow for...

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.

Announcing the removal of hs_discount_display_style from the Quotes API

Live: February 15, 2021

On February 15, 2021, we will be removing the hs_discount_display_style value from all Quote API request and response body definitions. This is a property that wasn’t documented on the developer website, but has been returned until now (and will be...

Announcing a change to how CRM object property creation is validated in v3 endpoints

Live: February 1, 2021

When creating new properties for CRM objects via the HubSpot APIs, both a type and fieldType value are required. The type value is used to determine what data can be stored in the property, while the fieldType value is used to determine how the...

Two updates to the CRM schemas API

Live: January 28, 2021

The CRM schemas API lets you define custom objects in the CRM to represent data that might not otherwise have a place in HubSpot. Today we are announcing two changes under our breaking change policy.

HubSpot CMS CLI user experience improvements

Announced: October 29, 2020

The CMS CLI has been updated, adding a lot of new user experience improvements. Better secret management, command completion, browser shortcuts, interact with the developer file system in new ways and more!

Announcing Developer Identity for Unlisted HubSpot Apps

Announced: October 22, 2020

Trust is a core part of the HubSpot platform and identity plays a key role. Users want to verify whether they can trust each app developer with their business data. Starting today, developers will be able to identify themselves and their apps to...

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.

CRM Imports API - New validation for Required Properties

Live: January 20, 2025

CRM objects often have properties that are required for creating records of that object type. For example Deals, require a Deal Name. When using the CRM Imports API, we're going to start validating that the provided import Request contains the...

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...