# DELETE /api/v1/transmissions/{} is deprecated

SparkPost API deprecated DELETE /api/v1/transmissions/{} without giving a shutdown date yet.

The provider deprecated the DELETE /api/v1/transmissions/{} endpoint without a shutdown date. Calls made to this route are targeted for removal and will eventually fail. The provider noted that this feature has been deprecated.

## What to use instead

Cancel scheduled transmissions with DELETE /api/v1/transmissions?campaign_id={campaign_id} instead.

- API: SparkPost API (api.sparkpost.com)
- Kind: Endpoint removal
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `DELETE /api/v1/transmissions/{}`
- Source: [Announcement](https://developers.sparkpost.com/api/transmissions/)
- Verified: October 26, 2026, against SparkPost API's own pages
- Page: https://www.okapi.bot/providers/sparkpost-api/breaking-changes/delete-api-v1-transmissions-is-deprecated/

## SparkPost API's words

> Deprecation Notice : This feature has been deprecated. Please use the delete by campaign ID feature instead.

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