---
title: "Changes to PATCH /projects/{projectId}/iterations/{iterationId}"
method: PATCH
path: "/projects/{projectId}/iterations/{iterationId}"
---

# Changes to PATCH /projects/{projectId}/iterations/{iterationId}

`PATCH /projects/{projectId}/iterations/{iterationId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 12 revisions.

- **2026-07-13** `e873dad2a189` — 1 warning, 2 info
- **2026-07-13** `82dfb72c78fa` — 2 info
- **2018-02-03** `8feb7cde15fc` — 1 breaking

## Changes

- **2026-07-13** `e873dad2a189` — 1 warning, 2 info
  - deleted the `header` request parameter `Training-Key`
  - api operation id `UpdateIteration` removed and replaced with `Iterations_Update`
  - api tag `ProjectApi` removed
- **2026-07-13** `82dfb72c78fa` — 2 info
  - api operation id `Iterations_Update` removed and replaced with `UpdateIteration`
  - api tag `ProjectApi` added
- **2018-02-03** `8feb7cde15fc` — 1 breaking
  - added the new required `header` request parameter `Training-Key`

---

[Operation](https://skmtc.dev/azure/apis/cognitiveservices-customvision-training/docs/projects/:projectId/iterations/:iterationId/patch.md) · [API](https://skmtc.dev/azure/apis/cognitiveservices-customvision-training.md) · [Page](https://skmtc.dev/azure/apis/cognitiveservices-customvision-training/changes/projects/:projectId/iterations/:iterationId/patch)