# File Requirements

| Property | Value |
|  --- | --- |
| Accepted types | JPEG, PNG, GIF, WEBP |
| Max file size | 25 MB |
| Filename | Keep short; ensure extension matches file type |


## Form field name

The file field name is `deviceImage`.

```
Content-Disposition: form-data; name="deviceImage"; filename="device-reading.png"
```

## Notes on file types

- **Images (JPEG, PNG, GIF, WEBP)** — Recommended for device screen captures. Use a clear, well-lit, straight-on photo for best extraction accuracy.


> **Need test images?** Download our sample device readings:
- 📷 sample-device-pulse-oximeter.png (Pulse Oximeter)
- 📷 sample-device-ecg.jpg (ECG Monitor)

See full details on the [Sample Files](/docs/sample-files) page.


## Multiple files

The endpoint accepts up to **10 files** in a single request. Each file is processed independently and its result is included in the `extractions` array in the response.