## Upload a file

`client.Files.Upload(ctx, body) (*File, error)`

**post** `/v1/files`

Upload an Excel spreadsheet file for later processing.

Supported formats:

- Excel (.xlsx)

Maximum file size: 100 MB

### Parameters

- `body FileUploadParams`

  - `File param.Field[Reader]`

    The spreadsheet file to upload

### Returns

- `type File struct{…}`

  Response representing an uploaded file.

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

  - `ID string`

    The unique identifier for this file.

  - `ContentType string`

    The MIME type of the file.

  - `CreatedAt Time`

    The timestamp when the file was uploaded.

  - `FileName string`

    The original filename of the uploaded file.

  - `Object File`

    The object type, which is always 'file'.

    - `const FileFile File = "file"`

  - `Size int64`

    The size of the file in bytes.

### Example

```go
package main

import (
  "bytes"
  "context"
  "fmt"
  "io"

  "github.com/deeptable-com/deeptable-go"
  "github.com/deeptable-com/deeptable-go/option"
)

func main() {
  client := deeptable.NewClient(
    option.WithAPIKey("My API Key"),
  )
  file, err := client.Files.Upload(context.TODO(), deeptable.FileUploadParams{
    File: io.Reader(bytes.NewBuffer([]byte("Example data"))),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", 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
}
```