How to Download Data
ImmPort provides multiple ways to download data — through the web interface or programmatically using APIs.
🧭 Prerequisites
You must be logged in to download any files.
Some datasets may also require additional data access approvals.
🌐 Web Download
🔹 Single File Download
- Navigate to a study or file listing page.
- Click the Download icon next to a file.
- The file will download directly through your browser using a secure, time-limited URL.
🔹 Multiple File Download (Download Cart)
- Select multiple files (across one or more studies) and add them to your Download Cart.
- When you submit the cart:
- A ZIP archive is generated containing all selected files.
- A signed CloudFront URL is created for the ZIP.
- You will receive an email notification once the download is ready.
- Depending on the cart size, the process may take several minutes.
- You can refresh the cart status on the download page to check progress.
⚙️ Programmatic Access
🔸 Single File Download (DRS API)
You can retrieve a direct download URL for a single file using the GA4GH DRS API.
Example:
```bash
curl -H "Authorization: Bearer