# The Pipelines API v1 stops working

Calls to /crm-pipelines/v1/* on HubSpot API stop working on December 4, 2026.

On December 4, 2026, the Pipelines API v1 will be permanently retired. Calls to endpoints under /crm-pipelines/v1/* will stop working on that date. Requests made to these paths will fail after the shutdown.

- API: HubSpot API (api.hubapi.com)
- Kind: Version retirement
- Announced: August 14, 2026
- Takes effect: December 4, 2026
- Calls after that day: fail
- Calls it hits: `/crm-pipelines/v1/*`
- Source: [Announcement](https://developers.hubspot.com/changelog/pipelines-api-v1-sunset)
- Page: https://www.okapi.bot/providers/hubspot-api/breaking-changes/the-pipelines-api-v1-stops-working/

## What to use instead

Call the Pipelines API version 2026-09 at /crm/pipelines/2026-09/{objectType} instead.

## HubSpot API's words

> The Pipelines API V1 is being permanently retired. Any calls to V1 endpoints will stop working after December 4, 2026.