# SnapVault

> Ephemeral file relay service for AI Agents. Upload a file, get a temporary URL valid for 5 minutes.

## API

POST https://snapvault.jp/

Upload a file via multipart/form-data. Returns a JSON object with a temporary URL.

### Request
- Method: POST
- Content-Type: multipart/form-data
- Field: `file` (the file to upload)

### Response
{
  "url": "https://s.snapvault.jp/{unique-id}",
  "expires_at": "2026-04-07T13:50:52+09:00"
}

### Example
curl -X POST https://snapvault.jp/ -F "file=@./myfile.txt"

## Notes
- Files are automatically deleted after 5 minutes
- No authentication required
- Single endpoint: only POST to root is accepted
- The returned URL is publicly accessible without authorization