# API version Authorization v1 stops working

Calls to /authorization/v1/* on Amazon Selling Partner API (North America) stopped working on March 27, 2024.

- API: Amazon Selling Partner API (North America) (sellingpartnerapi-na.amazon.com)
- Kind: Version retirement
- Announced: September 20, 2023
- Takes effect: March 27, 2024
- Calls after that day: fail
- Calls it hits: `/authorization/v1/*`
- Source: [Announcement](https://developer-docs.amazon.com/sp-api/docs/sp-api-deprecations)
- Page: https://www.okapi.bot/providers/amazon-selling-partner-api-north-america/breaking-changes/api-version-authorization-v1-stops-working/

## What to use instead

No replacement is listed; the whole API version is removed.

## Amazon Selling Partner API (North America)'s words

> Authorization v1 All September 20, 2023 March 27, 2024