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HubSpot Developer Changelog

34 Posts in Upcoming

Additional details returned when generating OAuth access tokens

Live: August 18, 2025

What's changing? We're adding two additional fields to the response when generating an access token using the POST /oauth/v1/token endpoint:
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Marketing Email API: v3 released to general availability and upcoming sunset for v1

Live: October 1, 2025

Today we're announcing changes for the two versions of the Marketing Emails API.
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Upcoming Sunset of Clearbit’s Free Logo API

Live: December 1, 2025

In December 2023, Clearbit was acquired by HubSpot, marking the beginning of an exciting new chapter for both companies. Since then, the Clearbit team has fully integrated into HubSpot, combining our expertise with HubSpot’s resources to better...
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App Marketplace Listing Process Validation

Live: October 31, 2024

Beginning on October 31, we'll be updating our App Marketplace listing process to include more validation for specific fields. These fields are already required for listing and can be found in our App Marketplace listing requirements, but they will...
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Bugfix - Incorrect validation for properties using the bool type

Live: November 18, 2024

On November 18th, we're making an update to property validation for any CRM properties using the "type": "bool". Currently, these properties are not validated correctly, making it possible to store any string value in these properties. This can...
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Public App Reauthorization and Advanced Scope Settings

Live: August 26, 2024

Note: This change is related to the recently announced advanced scope settings.
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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Note: This changelog has been superseded by an updated version published on October 2, 2024.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...
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Phase 1 of 2 for CRM Property Validation on Forms

Live: April 22, 2024

We are enhancing the data quality in your CRM by introducing additional property validations to HubSpot form fields. This update applies to: HubSpot forms on CMS-created web or landing pages. HubSpot forms using embed code on third-party web pages...
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Advanced auth and scope settings for public apps

Live: October 21, 2024

Today we're releasing an update to the auth settings for public apps. This update will add new options for choosing the scopes used by your app. The new settings are currently optional, but they will be required beginning on October 21.
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Restricting the inboxId query parameter in the Beta Conversations API

Live: January 31, 2024

We'll be limiting requests to the GET /conversations/v3/conversations/threads endpoint to allow only a single inboxId query parameter.
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