---
title: "Upload file inside folder with ID"
method: POST
path: "/design/project-files/{projectId}"
tags: ["Design - Projects - Files"]
---

# Upload file inside folder with ID

`POST /design/project-files/{projectId}`

## Path parameters

- `projectId` string, required

## Request body

- object
  - `file` string, binary, required

## Response `200`

OK

## Other responses

- `400` — Bad Request
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `429` — Too Many Requests

## Changes

- **2026-09-26** `65e661618b8f` — 1 info
  - api operation id `d` removed and replaced with `l`
- **2026-09-15** `4da8c9536717` — 1 info
  - api operation id `p` removed and replaced with `d`
- **2026-09-15** `e2458537595b` — 1 info
  - api operation id `S` removed and replaced with `p`
- **2026-09-11** `2e438cb3181d` — 1 info
  - api operation id `o_2` removed and replaced with `S`
- **2026-09-07** `50527361f800` — 1 info
  - api operation id `R_2` removed and replaced with `o_2`

[Full history](https://skmtc.dev/octoperf/apis/octoperf-api/changes/design/project-files/:projectId/post.md)

---

[API](https://skmtc.dev/octoperf/apis/octoperf-api.md) · [All operations](https://skmtc.dev/octoperf/apis/octoperf-api/llms.txt) · [OpenAPI document](https://skmtc.dev/octoperf/apis/octoperf-api/revisions/65e661618b8f?raw)