---
title: "Upload part of File to Upload Session"
method: PUT
path: "/file-storage/upload-sessions/{id}"
tags: ["Upload Sessions"]
---

# Upload part of File to Upload Session

`PUT /file-storage/upload-sessions/{id}`

Upload part of File to Upload Session (max 100MB). Get `part_size` from [Get Upload Session](#operation/uploadSessionsOne) first. Every File part (except the last one) uploaded to this endpoint should have Content-Length equal to `part_size`. Note that the base URL is upload.apideck.com instead of unify.apideck.com. For more information on uploads, refer to the [file upload guide](/guides/file-upload).

## Path parameters

- `id` string, required

## Query parameters

- `part_number` number, required
- `raw` boolean

## Headers

- `x-apideck-consumer-id` string, required
- `x-apideck-app-id` string, required
- `x-apideck-service-id` string
- `digest` string

## Response `200`

UploadSessions

- UpdateUploadSessionResponse
  - `status_code` integer, required — HTTP Response Status Code
  - `status` string, required — HTTP Response Status
  - `service` string, required — Apideck ID of service provider
  - `resource` string, required — Unified API resource name
  - `operation` string, required — Operation performed
  - `data` UnifiedId, required — A object containing a unique identifier for the resource that was created, updated, or deleted.
    - `id` string, required — The unique identifier of the resource
  - `_raw` Raw, nullable — Raw response from the integration when raw=true query param is provided

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `402` — Payment Required
- `404` — The specified resource was not found
- `422` — Unprocessable
- `default` — Unexpected error

---

[API](https://skmtc.net/apideck-libraries/apis/file-storage-api.md) · [All operations](https://skmtc.net/apideck-libraries/apis/file-storage-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/apideck-libraries/file-storage-api/versions/c2aa9722f1be/schema)