HubSpot Developer Changelog (13)

Asset Marketplace April Rollup - Theme updates required by July 12th, 2023

Announced: April 26, 2023

Modules will be released onto the asset marketplace soon. To prepare, we want to make sure your themes are the best they can be. Read on to review required theme updates, and complete these updates by July 12th, 2023.

Upcoming: Property Validations Rules will be enforced for APIs and Integrations

Live: July 24, 2023

Property Validations allow admins to prevent data quality issues before they start. By setting up property validation rules, admins can control what data can be entered into their system ensuring the entry of clean, reliable, and accurate data.

Upcoming Sunset: Calendar API

Live: July 28, 2023

Note: This post has been updated to reflect an updated sunset date of August 31. The original date for this was July 28. We are sunsetting the Calendar API. Beginning on August 31, the API will no longer function, and data from the marketing...

Amendment to Forms API Submission Validation

Announced: April 17, 2023

Whats Changing? Last year (February 2022), we announced some updates to our form submissions API that would make our customer’s accounts more secure, by requiring all fields be declared on the form definition before we would accept these fields in...

Validation changes to company property - Industry

Live: July 14, 2023

Beginning on July 14th, the industry property on company records will begin correctly validating values when company records are created and updated.

Bug fix: Contact Properties updated to indicate they do not force uniqueness

Live: April 12, 2023

We discovered that it was possible using the API to include hasUniqueValue=true in a Contact property's definition. Currently HubSpot doesn't support unique properties in Contacts. So despite the value showing as true, it was ignored and not...

March 2023 Rollup

Announced: March 29, 2023

March 2023 developer updates include theme-level module updates, SEO filter recommendations, new HubL variables, deprecation of the Gallery Default Module, sandboxes with unlimited resyncs of CRM object definitions, module and theme URL fields...

Deprecating previousCategories in the Cookie Banner API

Live: April 3, 2023

We've discovered that in some situations the previousCategories field within the cookie banner's consent object has incorrect values. The Cookie Banner API provides consent listeners so that developers can properly handle cookies based on the user's...

Changes to Actors and Delivery Identifiers in the Conversations API

Live: April 10, 2023

The Conversations API (currently in beta) is used to read and send HubSpot conversations inbox messages. We're making 2 changes to the message recipient portion of the API response, and one of the changes may require you to make changes if your...

February 2023 Rollup

Announced: February 28, 2023

February 2023 updates include new API endpoints for Goals, Snowflake updates, Multi-Currencies for app listings, and a performance update for the Script Loader.

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...