# POST /api/v1/courses/{}/assignments/{}/provisional_grades/publish stops working

Calls to POST /api/v1/courses/{}/assignments/{}/provisional_grades/publish on Canvas LMS API stopped working on October 15, 2026.

On October 15, 2026, the POST /api/v1/courses/{}/assignments/{}/provisional_grades/publish endpoint will be removed. Requests sent to this synchronous endpoint will fail after that date.

- API: Canvas LMS API (*.instructure.com)
- Kind: Endpoint removal
- Announced: July 3, 2026
- Takes effect: October 15, 2026
- Calls after that day: fail
- Calls it hits: `POST /api/v1/courses/{}/assignments/{}/provisional_grades/publish`
- Source: [Announcement](https://community.instructure.com/api/v2/discussions/262015)
- Page: https://www.okapi.bot/providers/canvas-lms-api/breaking-changes/post-api-v1-courses-assignments-provisional-grades-publish-stops-working/

## What to use instead

Call POST /api/v1/courses/{course_id}/assignments/{assignment_id}/provisional_grades/publish_async and follow the returned Progress object instead.

## Canvas LMS API's words

> The synchronous POST /api/v1/courses/:course_id/assignments/:assignment_id/provisional_grades/publish endpoint is removed as of 2026-10-15.