# /v3/REST/newsletter is deprecated

Mailjet API deprecated /v3/REST/newsletter* without giving a shutdown date yet.

Mailjet API deprecated /v3/REST/newsletter* without a shutdown date. Calls to these endpoints are no longer supported and could be removed in the future, which will cause them to fail.

## What to use instead

Manage campaign drafts with the /v3/REST/campaigndraft endpoints (detailcontent, test, schedule, send, status) instead.

- API: Mailjet API (api.mailjet.com)
- Kind: Endpoint removal
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `/v3/REST/newsletter*`
- Source: [Announcement](https://dev.mailjet.com/docs/api-reference/email-api/categories/deprecated-endpoints)
- Verified: November 6, 2026, against Mailjet API's own pages
- Page: https://www.okapi.bot/providers/mailjet-api/breaking-changes/v3-rest-newsletter-is-deprecated/

## Mailjet API's words

> This section lists all deprecated endpoints of the Mailjet API. While they may still be functional for legacy purposes, they are no longer supported and could be removed in the future.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent