---
title: "Confirm extractor submission upload"
method: POST
path: "/v1/extractors/submissions/uploads/{submission_id}/confirm"
tags: ["Extractors"]
---

# Confirm extractor submission upload

`POST /v1/extractors/submissions/uploads/{submission_id}/confirm`

## Request

- Base URL: `https://api.mixpeek.com`
- URL: `https://api.mixpeek.com/v1/extractors/submissions/uploads/{submission_id}/confirm`
- Auth: HTTP bearer

Step 2: Confirm upload, triggers security scan and manifest validation.

## Path parameters

- `submission_id` string, required

## Request body

- ConfirmSubmissionRequest
  - `etag` string, nullable: S3 ETag for integrity check
  - `file_size_bytes` integer, nullable

## Response `200`

Successful Response

- ConfirmSubmissionResponse
  - `success` boolean, required
  - `submission_id` string, required
  - `status` string, required
  - `security_scan_passed` boolean, nullable
  - `security_violations` object[]
  - `manifest_valid` boolean, nullable
  - `message` string, nullable

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `422`: Unprocessable Entity
- `429`: Too Many Requests
- `500`: Internal Server Error
- `503`: Service Unavailable

## Changes

- **2026-10-09** `61a175e8eb9a`: 1 warning, 5 info
  - removed the optional property `detail` from the response with the `422` status
  - added the non-success response with the status `429`
  - added the non-success response with the status `503`
  - added the optional property `success` to the response with the `422` status
  - …2 more
- **2026-08-09** `5d4c905106b4`: 1 info
  - the endpoint scheme security `BearerAuth` was added to the API

[Operation history](https://skmtc.dev/mixpeek/apis/mixpeek-api/changes/v1/extractors/submissions/uploads/:submission_id/confirm/post.md)

---

[API](https://skmtc.dev/mixpeek/apis/mixpeek-api.md) - [All operations](https://skmtc.dev/mixpeek/apis/mixpeek-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mixpeek/apis/mixpeek-api/revisions/790bc16455f6?raw)