---
title: "Initialize Single Upload"
method: POST
path: "/files/init"
tags: ["Files Management"]
---

# Initialize Single Upload

`POST /files/init`

Initialize a new single upload session.

## Request body

- UploadInit
  - `filename` string, required
  - `total_chunks` integer, required
  - `batch_id` string, nullable

## Response `201`

Document created, URL follows

- object

## Other responses

- `400` — Bad request syntax or unsupported method

## Changes

- **2025-08-08** `117c3013935d` — 1 info
  - api operation id `FilesInitInitUpload` removed and replaced with `71_init_upload`
- **2025-08-06** `82f6f0eba091` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/masumi-network/apis/kodosumi-api/changes/files/init/post.md)

---

[API](https://skmtc.dev/masumi-network/apis/kodosumi-api.md) · [All operations](https://skmtc.dev/masumi-network/apis/kodosumi-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/masumi-network/kodosumi-api/revisions/2092ce918678/schema)