---
title: "Upload a File"
method: POST
path: "/v1/files"
tags: ["files"]
---

# Upload a File

`POST /v1/files`

Upload a file with a given purpose to Chariot as `multipart/form-data`.

## Headers

- `Idempotency-Key` string

## Response `200`

The `Idempotency-Key` had already stored this file, so the existing File is
returned and nothing was uploaded again.

- File — Files are objects that represent a file hosted on Chariot's servers. If you need to download a File, create a File Link.
  - `id` string — The unique identifier for the file.
  - `file_name` string — The name of the file.
  - `description` string, nullable — The description of the file.
  - `purpose` 'manual_upload' | 'grant_letter' | 'integration_download' | 'inbound_mail_item' | 'inbound_mail_item_thumbnail' | 'inbound_email' | 'inbound_email_attachment' | 'bank_check_image_front' | 'bank_check_image_back' | 'check_attachment' | 'bank_statement' | 'bank_account_verification_letter' | 'automation_output' | 'export' | 'other' — The file's purpose. Note that entries may be added to this list without notice.
  - `content_type` string — The MIME type of the file.
  - `size_bytes` integer — The size of the file in bytes.
  - `created_at` string, date-time — The date and time when the file was created.
  - `updated_at` string, date-time — The date and time when the file was last updated.

## Other responses

- `201` — The file was stored.
- `400` — The request is invalid or contains invalid parameters
- `401` — Unauthorized. The request is missing the security (OAuth2 Bearer token) requirements and the server is unable to verify the identify of the caller.
- `403` — Access denied
- `409` — Resource Conflicts
- `500` — Internal Server Error

## Changes

- **2026-08-31** `6f769ddf43bd` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/chariot-giving/apis/specs/changes/v1/files/post.md)

---

[API](https://skmtc.dev/chariot-giving/apis/specs.md) · [All operations](https://skmtc.dev/chariot-giving/apis/specs/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/chariot-giving/specs/revisions/6f769ddf43bd/schema)