BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//deadcanary.io//Dead Canary//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Dead Canary: HubSpot
X-WR-CALDESC:API shutdowns\, deprecations and breaking changes from deadca
 nary.io
REFRESH-INTERVAL;VALUE=DURATION:PT12H
X-PUBLISHED-TTL:PT12H
BEGIN:VEVENT
UID:1e8fcd9a51@deadcanary.io
DTSTAMP:20261018T074458Z
DTSTART;VALUE=DATE:20260908
DTEND;VALUE=DATE:20260909
SUMMARY:☠ HubSpot: CRM API write-validation enforcement in 2026-09 API v
 ersion (breaking) (Breaking change)
DESCRIPTION:Breaking Change: CRM API Write Validation Enforcement Starting
  with the 2026-09 API Version.\n\nSource: https://developers.hubspot.com/
 changelog/crm-api-write-validation-enforcement\nDetails: https://deadcana
 ry.io/event/hubspot-crm-api-write-validation-enforcement-in-2026-09-api-v
 ersion-br-1e8f/
URL:https://deadcanary.io/event/hubspot-crm-api-write-validation-enforceme
 nt-in-2026-09-api-version-br-1e8f/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:688ae49513@deadcanary.io
DTSTAMP:20261018T074458Z
DTSTART;VALUE=DATE:20261204
DTEND;VALUE=DATE:20261205
SUMMARY:☠ HubSpot: Pipelines API v1 sunset (Version sunset)
DESCRIPTION:Pipelines API V1 Sunset: December 4\, 2026.\n\nSource: https:/
 /developers.hubspot.com/changelog/pipelines-api-v1-sunset\nDetails: https
 ://deadcanary.io/event/hubspot-pipelines-api-v1-sunset-688a/
URL:https://deadcanary.io/event/hubspot-pipelines-api-v1-sunset-688a/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:c4e09aa438@deadcanary.io
DTSTAMP:20261018T074458Z
DTSTART;VALUE=DATE:20270330
DTEND;VALUE=DATE:20270331
SUMMARY:☠ HubSpot: v4 APIs (Version sunset)
DESCRIPTION:Support for v4 APIs ends on March 30\, 2027\, on a separate ti
 meline announced earlier in the year.\n\nSource: https://developers.hubsp
 ot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsupported-and-
 when\nDetails: https://deadcanary.io/event/hubspot-v4-apis-c4e0/
URL:https://deadcanary.io/event/hubspot-v4-apis-c4e0/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:a85e01dc57@deadcanary.io
DTSTAMP:20261018T074458Z
DTSTART;VALUE=DATE:20270901
DTEND;VALUE=DATE:20270902
SUMMARY:☠ HubSpot: Legacy v1-v3 APIs and legacy apps unsupported (Shutdo
 wn)
DESCRIPTION:At Fall Spotlight on September 15\, HubSpot is announcing the 
 end of support for v1-v3 APIs\, legacy public apps\, and legacy private a
 pps\, all with a September 2027 enforcement date.\n\nSource: https://deve
 lopers.hubspot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsu
 pported-and-when\nDetails: https://deadcanary.io/event/hubspot-legacy-v1-
 v3-apis-and-legacy-apps-unsupported-a85e/
URL:https://deadcanary.io/event/hubspot-legacy-v1-v3-apis-and-legacy-apps-
 unsupported-a85e/
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR