## Upload a file

`client.files.upload(FileUploadParamsbody, RequestOptionsoptions?): File`

**post** `/v1/files`

Upload an Excel spreadsheet file for later processing.

Supported formats:

- Excel (.xlsx)

Maximum file size: 100 MB

### Parameters

- `body: FileUploadParams`

  - `file: Uploadable`

    The spreadsheet file to upload

### Returns

- `File`

  Response representing an uploaded file.

  This is returned from POST (upload), GET (retrieve), and list endpoints.

  - `id: string`

    The unique identifier for this file.

  - `content_type: string`

    The MIME type of the file.

  - `created_at: string`

    The timestamp when the file was uploaded.

  - `file_name: string`

    The original filename of the uploaded file.

  - `object: "file"`

    The object type, which is always 'file'.

    - `"file"`

  - `size: number`

    The size of the file in bytes.

### Example

```typescript
import DeepTable from '@deeptable/deeptable';

const client = new DeepTable({
  apiKey: process.env['DEEPTABLE_API_KEY'], // This is the default and can be omitted
});

const file = await client.files.upload({ file: fs.createReadStream('path/to/file') });

console.log(file.id);
```

#### Response

```json
{
  "id": "file_01kfxgjd94fn9stqm414vjb0s8",
  "content_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
  "created_at": "2024-01-15T10:30:00Z",
  "file_name": "financial_report.xlsx",
  "object": "file",
  "size": 1048576
}
```