# ec2-instance-connect ## Description This is the *Amazon EC2 Instance Connect API Reference* . It provides descriptions, syntax, and usage examples for each of the actions for Amazon EC2 Instance Connect. Amazon EC2 Instance Connect enables system administrators to publish one-time use SSH public keys to EC2, providing users a simple and secure way to connect to their instances. To view the Amazon EC2 Instance Connect content in the *Amazon EC2 User Guide* , see [Connect to your Linux instance using EC2 Instance Connect](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Connect-using-EC2-Instance-Connect.html) . For Amazon EC2 APIs, see the [Amazon EC2 API Reference](https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Welcome.html) . ## Available Commands * [open-tunnel](open-tunnel.md) * [send-serial-console-ssh-public-key](send-serial-console-ssh-public-key.md) * [send-ssh-public-key](send-ssh-public-key.md) * [ssh](ssh.md)