# API version v2 stops working

Calls to /api/v2/* on Klaviyo API stopped working on July 1, 2024.

- API: Klaviyo API (a.klaviyo.com)
- Kind: Version retirement
- Takes effect: July 1, 2024
- Calls after that day: fail
- Calls it hits: `/api/v2/*`
- Source: [Announcement](https://developers.klaviyo.com/en/v2024-10-15/docs/migration_faq_v1v2_api_retirement)
- Page: https://www.okapi.bot/providers/klaviyo-api/breaking-changes/api-version-v2-stops-working/

## What to use instead

Move to the date-versioned APIs (for example GET /api/lists, POST /api/profile-subscription-bulk-create-jobs) with a revision header; see the API comparison chart.

## Klaviyo API's words

> v1/v2 API calls made on July 1, 2024 will return a 410 GONE error code.