{
 "id": "hubspot-67237bed79",
 "platform": "hubspot",
 "title": "Legacy APIs and Apps: What's Going Unsupported and When",
 "summary": "At Fall Spotlight on September 15, HubSpot is announcing the end of support for v1-v3 APIs, legacy public apps, and legacy private apps, all with a September 2027 enforcement date. If your integration or app uses any of these, you have a 12-month window to migrate. This changelog covers v1-v3.",
 "categories": [
  "api_version_sunset",
  "deprecation",
  "breaking_change"
 ],
 "tags": [],
 "published_date": "2026-09-15",
 "effective_date": null,
 "effective_date_precision": null,
 "source_url": "https://developers.hubspot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsupported-and-when",
 "source_name": "HubSpot developer changelog",
 "fetched_at": "2026-10-17T03:44:00+00:00",
 "collector": "hubspot/changelog",
 "first_seen": "2026-10-17T01:05:46+00:00",
 "in_source": true,
 "last_seen_in_source": "2026-10-17T03:44:00+00:00",
 "upcoming": false,
 "url": "https://adstackwatch.com/changes/hubspot-67237bed79/"
}