# Welcome
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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).

This document was last published on April 23, 2026.