HubSpot Developer Changelog

New validation for custom object names

Announced: February 17, 2022

Effective immediately, we will be enforcing new limits on the name field for custom object schemas.

New rate limits for the legacy Contacts API batch create or update endpoint

Announced: December 6, 2021

In an effort to increase the security and performance of the HubSpot platform, we will be introducing new limits for the legacy endpoint for creating or updating a group of contact records.

Upcoming: Customized lifecycle stages for contacts and companies

Live: September 30, 2022

On September 30th, 2022, users will be able to customize the lifecycle stages for their contacts and companies.

Private Apps are now available

Announced: November 9, 2021

Today we're excited to announce the release of Private Apps into general availability. Private Apps are a new way to connect your custom integration to your HubSpot account. They combine the easy setup of API keys, with the security features of...

The v3 CMS Pages API is now in public beta

Announced: October 28, 2021

We're excited to announce the release of our v3 CMS Pages API into public beta. This API will let you create and manage your website and landing pages.

Changes to the GDPR deletion endpoints for the CRM Contact Object API

Announced: September 22, 2021

We're making some changes to the new GDPR endpoints recently released into beta for the CRM Contact Object API. We currently have two separate endpoints for handling GDPR deletions for contact records; one that uses the email address and one that...

Upcoming: Expiration of OAuth access tokens is changing

Announced: September 20, 2021

What's changing? Beginning on November 8th, OAuth access tokens will be generated with a shorter expiration time. Tokens currently expire 6 hours after they are generated. After this change, tokens will expire 30 minutes after being generated.

Deprecating CAPTCHA for the v2 form submissions endpoint

Announced: August 30, 2021

Form submissions made using the Forms API that include a CAPTCHA token will return an error starting on September 13.

The Files API v3 has now exited beta

Announced: May 10, 2021

Last November, we released a new version of our Files API to public beta. This new version follows our other v3 releases in being more consistent and developer friendly. This version also included a few upgrades, including better deduplication and...

Upcoming: Developer accounts will require two-factor authentication for login

Announced: April 12, 2021

HubSpot currently supports two-factor authentication (2FA) for all HubSpot accounts, including developer accounts. Until now, 2FA has been optional, and is enabled from the account settings of any HubSpot account, either for an individual user, or...

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