---
title: "Create a new file"
method: POST
path: "/me/files/{file_name}"
tags: ["me"]
---

# Create a new file

`POST /me/files/{file_name}`

## Path parameters

- `file_name` string, required

## Response `201`

File created successfully

- PrivateFileMeta — Metadata shown to the owner
  - `owner` string, required
  - `file_name` string, required
  - `versions` Version[], required
  - `registered_versions` Version[], required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required

## Other responses

- `400` — Invalid input
- `409` — File already exists

## Changes

- **2025-01-20** `20e8e755a09e` — 1 breaking, 2 info
  - added the pattern `/^[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}$/i` to the `path` request parameter `file_name`
  - the `file_name` response's property pattern `/^[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}$/i` was added for the status `201`
  - the `owner` response's property pattern `/^[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}$/i` was added for the status `201`

[Change history](https://skmtc.dev/lapisla-prover/apis/lapisla-prover-api/changes/me/files/:file_name/post.md)

---

[API](https://skmtc.dev/lapisla-prover/apis/lapisla-prover-api.md) · [All operations](https://skmtc.dev/lapisla-prover/apis/lapisla-prover-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lapisla-prover/apis/lapisla-prover-api/revisions/211195a7bd6a?raw)