---
title: "Upload Files to Project"
method: POST
path: "/api/v1/vault/upload_files/{project_id}"
tags: ["Vault"]
---

# Upload Files to Project

`POST /api/v1/vault/upload_files/{project_id}`

The Upload Files API endpoint enables organizations to both upload new files and update existing ones within Vault projects. A maximum of 50 files can be uploaded per API request.

## Path parameters

- `project_id` string, required — The project ID.

## Response `201`

Files successfully uploaded

- UploadResponse
  - `project_id` string — The project ID.
  - `file_ids` string[] — Array of file IDs that were added to the project.

## Other responses

- `400` — Bad request.
- `401` — Unauthorized.
- `413` — Payload too large.
- `429` — Rate limit exceeded.
- `500` — Internal server error.

---

[API](https://skmtc.dev/harvey/apis/harvey-client-matter-api.md) · [All operations](https://skmtc.dev/harvey/apis/harvey-client-matter-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/harvey/harvey-client-matter-api/revisions/4a9e0925d49e/schema)