---
title: "Changes to DELETE /projects/{projectId}/predictions"
method: DELETE
path: "/projects/{projectId}/predictions"
---

# Changes to DELETE /projects/{projectId}/predictions

`DELETE /projects/{projectId}/predictions`

> 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 `DeletePrediction` removed and replaced with `Predictions_Delete`
  - api tag `PredictionsApi` removed
- **2026-07-13** `82dfb72c78fa` — 2 info
  - api operation id `Predictions_Delete` removed and replaced with `DeletePrediction`
  - api tag `PredictionsApi` 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/predictions/delete.md) · [API](https://skmtc.dev/azure/apis/cognitiveservices-customvision-training.md) · [Page](https://skmtc.dev/azure/apis/cognitiveservices-customvision-training/changes/projects/:projectId/predictions/delete)