---
title: "Changes to Initiate signed URL upload to extend a measurement"
method: POST
path: "/cell_measurements/{measurement_id}/initiate-extend"
---

# Changes to Initiate signed URL upload to extend a measurement

`POST /cell_measurements/{measurement_id}/initiate-extend`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 25 revisions.

- **2026-09-30** `ea3d377fec1a`: 1 breaking

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `measurement_id`, the format changed from no format to `uuid`

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/cell_measurements/:measurement_id/initiate-extend/post.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cell_measurements/:measurement_id/initiate-extend/post)