HubSpot Developer Changelog (10)

Email and the web are different, default modules are splitting to reflect this

Live: January 5, 2024

HubSpot has several default modules that can be used in both CMS Hub and Marketing Hub emails. The code and features supported in web browsers and in email clients differ significantly. To better support the experience in both places we'll be...

Developer test accounts and standard sandboxes have a new daily limit for contact enrollment in work

Live: November 1, 2023

What's changing? We’re implementing a daily record enrollment limit for workflows in developer test accounts and sandboxes. Starting November 1, you’ll be able to enroll up to 100,000 records per account, per day. Before this change, you could...

New permission requirements for installing public apps

Announced: October 4, 2023

What's changing? Beginning on Monday, October 16th, the App Marketplace Access permission will be required for the first install of any public app. This change will affect any HubSpot user installing any public app, when the app has not been...

September 2023 Rollup

Announced: October 3, 2023

At Inbound 2023 we announced a lot of changes across the HubSpot product. For an overview of our roadmap and to see what was announced see Hubspot.com/new. While we announced a lot at INBOUND there's more updates this September from hiding default...

Upcoming Sunset: JSON Custom Cards

Live: March 31, 2024

Previously, HubSpot released a beta allowing users to utilize private apps and projects to build a custom card with JSON-based components for UI extensibility within the CRM development tools.

Upcoming Change: Email Verification Required for All Marketing Emails

Live: October 26, 2023

Starting October 26th, 2023, any marketing emails, including those manually sent or sent through automation that use a personalization token to populate the "From" address field, will require email verification. If an email address is not verified,...

New Beta Version of the Lists API Released

Live: September 21, 2023

What’s Changing? A new Lists API has been added to the HubSpot API catalog. This API will allow for a more rich and comprehensive experience for developers removing several of the limitations of the Contact Lists API.

Unique Properties support for newly created Contact properties

Live: September 21, 2023

Starting September 21st, we will begin rolling out the ability to set new contact properties to be unique.

Changes to the lifecycle stage in forms

Live: March 19, 2024

Note: This post has been updated to reflect the new date that the changes will go live. The changes to the legacy v2 Forms API will now go into effect on March 19, 2024. For the changes to the beta v3 Forms API, please see this separate post. We're...

Update for CRM Development Tools: React Tech Stack for UI Extensions

Announced: September 8, 2023

Today, HubSpot announces a React-based tech stack for building UI extensions (custom cards) within CRM Developer tools for Developers!

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...

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: 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.

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: 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...