HubSpot API · Version retirement
The Deals API v1 is deprecated
Deprecated, no date
HubSpot API deprecated /deals/v1/* without giving a shutdown date yet.
What to use instead of these calls
Move to the Deals API on date-based versioning (/crm/objects/2026-09/deals).
HubSpot has not finalized every legacy endpoint's date-based replacement yet; it documents them in its March 2027 release.
Calls it hits
/deals/v1/*
Endpoints using numbered version paths, /v1/ , /v2/ , and /v3/ , will move to unsupported status. HubSpot will no longer release bug fixes, reliability improvements, or security updates for these versions.
Facts
- API
- HubSpot API
api.hubapi.com - Kind
- Version retirement
- Announced
- September 15, 2026
- Takes effect
- No date given yet
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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