# POST /api/v1/courses/:course_id/assignments/:assignment_id/provisional_grades/publish stops working

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

On October 15, 2026, the POST /api/v1/courses/:course_id/assignments/:assignment_id/provisional_grades/publish endpoint will be removed. Calls made to this synchronous endpoint will fail after that date.

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

## What to use instead

Use POST /api/v1/courses/:course_id/assignments/:assignment_id/provisional_grades/publish_async 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.