---
title: "Complete Multipart Upload Endpoint"
method: POST
path: "/s3/multipart/complete"
tags: ["s3"]
---

# Complete Multipart Upload Endpoint

`POST /s3/multipart/complete`

Complete the multipart upload by combining all uploaded parts.

## Request body

- CompleteMultipartUploadRequest
  - `bucket` string, required
  - `object_key` string, required
  - `upload_id` string, required
  - `parts` unknown[], required
    - unknown

## Response `200`

Successful Response

- CompleteMultipartUploadResponse
  - `location` string, nullable
  - `etag` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/noso/apis/crucible-backend-api.md) · [All operations](https://skmtc.dev/noso/apis/crucible-backend-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/noso/crucible-backend-api/revisions/d96feef8e2ef/schema)