# Introduction
# Key Concepts
## Service Account
A Service Account is an account used to identify services (non-humans) to Google.
A Service Account has a list of Service Account Keys, which can be used to authenticate to Google.
## Service Account Keys
A Service Account Key is a public/private keypair generated by Google. Google retains the public
key, while the customer is given the private key. The private key can be used to [sign JWTs and
authenticate Service Accounts to Google](https://developers.google.com/identity/protocols/OAuth2ServiceAccount#authorizingrequests).