---
title: "Delete experiment by ID"
method: DELETE
path: "/v1/experiments/{experiment_id}"
tags: ["experiments"]
---

# Delete experiment by ID

`DELETE /v1/experiments/{experiment_id}`

## Path parameters

- `experiment_id` string, required

## Query parameters

- `delete_project` boolean — If true, also delete the project associated with the experiment that contains traces and spans for the experiment tasks.

## Response `204`

Experiment deleted successfully

## Other responses

- `403` — Forbidden
- `404` — Experiment not found
- `422` — Validation Error

---

[API](https://skmtc.net/arize-ai/apis/arize-phoenix-rest-api.md) · [All operations](https://skmtc.net/arize-ai/apis/arize-phoenix-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/arize-ai/arize-phoenix-rest-api/versions/a14d8ad6f708/schema)