# Introduction div div ⏱ 2 min div 👤 Merchant Onboarding Team (Marcel K.) ###### In order to ensure a secure data transfer with Ratepay, it is possible to transfer data from or to our SFTP server. With access to our SFTP server, you can: - Download settlement files - Download clearing files - Download merchant invoices - Upload regular customer files **This quick guide will help you to set up a connection in just three easy steps.** ## Step 1 A SSH private/public key pair (OpenSSH) must be present. The public key must be transferred to [secure@support.ratepay.com](mailto:secure@support.ratepay.com). [SSH Key](/docs/developer/sftp/ssh_key/ssh_key/) ## Step 2 Firewalls must allow outgoing TCP connections to `files.ratepay.com` at port `22`. [Firewall](/docs/developer/sftp/firewall/) ## Step 3 Set up a compatible SFTP or SCP program (WinSCP). [SFTP connection](/docs/developer/sftp/sftp_connection/)