---
title: "POST samples instances_cancel_upload"
method: POST
path: "/api/v1/samples/cancel_upload"
---

# POST samples instances_cancel_upload

`POST /api/v1/samples/cancel_upload`

## Request

- Base URL: `https://app.onecodex.com`
- URL: `https://app.onecodex.com/api/v1/samples/cancel_upload`
- Auth: API key in header `X-API-Key`

## Request body

- object
  - `sample_id` string, required

## Response `200`

OK

- object
  - `message` string, required: A detailed success or failure message.
  - `success` boolean, required: Whether the upload was successfully cancelled.

## Changes

- **2026-11-03** `3be5a5f9bf7d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/onecodex/apis/one-codex-api-v1/changes/api/v1/samples/cancel_upload/post.md)

---

[API](https://skmtc.dev/onecodex/apis/one-codex-api-v1.md) - [All operations](https://skmtc.dev/onecodex/apis/one-codex-api-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/onecodex/apis/one-codex-api-v1/revisions/3be5a5f9bf7d?raw)