HubSpot API · Version retirement
The Contact Lists API v1 stops working
Stopped working
Calls to /contacts/v1/lists* on HubSpot API stopped working on April 30, 2026.
What to use instead of these calls
Manage lists with the Lists API (/crm/v3/lists, or /crm/lists/2026-09).
Calls it hits
/contacts/v1/lists*
Contact lists v1 | April 30, 2026 | Create and manage contact lists with the latest lists API.
Facts
- API
- HubSpot API
api.hubapi.com - Kind
- Version retirement
- Takes effect
- April 30, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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