HubSpot Developer Changelog

Update: HubSpot Developers Forum Migration to community.hubspot.com Complete

Announced: January 29, 2019

Update: The HubSpot Developers Forum has been fully migrated to community.hubspot.com. The older Developer Forums on integration.hubspot.com are now read-only.

Updated Webhook Retry Logic

Announced: December 10, 2018

Failed webhook notifications are now retried over the course of 24 hours, with some delay randomization.

Update: Enforcing HTTPS for all outgoing requests made by the HubSpot platform

Announced: December 4, 2018

Update: The deadline to migrate existing HTTP webhook URLs is being moved from Tuesday, December 4th 2018 to Tuesday, January 15th 2019.

Update: Webhooks UI Change

Announced: December 3, 2018

Updated webhook configuration settings UI

Update: Public Contact Record Sunset

Announced: November 30, 2018

The sunset of the Public Contact Record is being moved from December 20th to January 23rd.

New Content: OAuth 2.0 Quickstart Guide

Announced: November 5, 2018

New Content: OAuth 2.0 Quickstart Guide and companion Quickstart App

Enforcing HTTPS for all outgoing requests made by the HubSpot platform

Announced: October 18, 2018

All new webhook URLs are required to use HTTPS, and all existing URLs will be required to use HTTPS starting December 4th.

Sunset: Public Contact Record

Announced: October 12, 2018

The public contact record is being sunset on December 20th

Full Release: CRM Associations API

Announced: September 27, 2018

CRM Associations API is no longer in Developer Preview.

New Functionality: Contact Timeline Embed

Announced: September 11, 2018

New Functionality: Embeddable view of a HubSpot contact's timeline.

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