# Basic authentication with an email and password stops working on calls authenticated with an email and password

Calls to /api/v2/* on Zendesk API stopped working on January 12, 2026.

- API: Zendesk API (*.zendesk.com)
- Kind: Behaviour change
- Announced: July 1, 2024
- Takes effect: January 12, 2026
- Calls after that day: fail
- Calls it hits: `/api/v2/*`
- Who it affects: calls authenticated with an email and password
- Source: [Announcement](https://developer.zendesk.com/api-reference/changelog/changelog/)
- Page: https://www.okapi.bot/providers/zendesk-api/breaking-changes/basic-authentication-with-an-email-and-password-stops-working-on-calls/

## What to use instead

Authenticate with an OAuth access token.

Moving to OAuth needs an OAuth client registered in the Zendesk account.

## Zendesk API's words

> Starting July 31, 2024, basic authentication using an email and password is deprecated for /api/v2/ endpoints for new accounts and for accounts that are not using this method. If you’re actively using this method today, you will be able to continue using it until January 12, 2026.