---
title: "HubSpot API changes, deprecations and deadlines | Harbyn"
description: "HubSpot: 2 upcoming deadlines and 4 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/hubspot"
last-updated: 2026-10-25
---

# HubSpot: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/hubspot>.

Developer platform. 2 upcoming deadlines, 4 recorded changes. Every entry cites the HubSpot page we read it from.

## What we read

The HubSpot pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://developers.hubspot.com/changelog/rss.xml>
- **Releases**: <https://api.github.com/repos/HubSpot/hubspot-api-nodejs/releases?per_page=20>
- **Changelog**: <https://api.github.com/advisories?affects=@hubspot/api-client,hubspot-api-client&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises HubSpot in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm @hubspot/api-client`, `pypi hubspot-api-client`
- **API hosts**: `api.hubapi.com`, `api.hubspot.com`

## Upcoming deadlines

| Deadline | Change | Use instead | Details | Source |
| --- | --- | --- | --- | --- |
| Jan 8, 2027 | End of Developer CLI support for Node.js 20 | - | <https://harbyn.com/changes/hubspot/2026-10-19-upcoming-sunset-end-of-developer-cli-support-of-node-js-20.md> | <https://developers.hubspot.com/changelog/rss.xml> |
| Sep 2027 | Legacy APIs and Apps: What's Going Unsupported and When | - | <https://harbyn.com/changes/hubspot/2026-09-15-legacy-apis-and-apps-what-s-going-unsupported-and-when.md> | <https://developers.hubspot.com/changelog/rss.xml> |

## Change history

Newest first, by the date HubSpot announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 6, 2026, Security: [Hosted domains will require TLS 1.2 or higher from October 14, 2026](https://developers.hubspot.com/changelog/upcoming-automatic-update-hubspot-domain-security-settings-to-tls-1.2) (effective Oct 14, 2026)

### September 2026

- Sep 15, 2026, Feature: [Fall 2026 Spotlight - Developer / Builder Updates](https://developers.hubspot.com/changelog/fall-2026-spotlight)