# Authentication and Authorization

> Before consuming the APIs, you must authorize your API client by passing a bearer token as the Authorization request header. To obtain the bearer token, you need to register your client as an [External Application](https://docs.uipath.com/automation-suite/automation-suite/2024.10/api-guide/accessing-uipath-resources-using-external-applications) in your Automation Suite account and then use the obtained credentials to get an access token.

Before consuming the APIs, you must authorize your API client by passing a bearer token as the Authorization request header. To obtain the bearer token, you need to register your client as an [External Application](https://docs.uipath.com/automation-suite/automation-suite/2024.10/api-guide/accessing-uipath-resources-using-external-applications) in your Automation Suite account and then use the obtained credentials to get an access token.

[Learn more about the available authentication methods.](https://docs.uipath.com/automation-suite/automation-suite/2024.10/api-guide/authentication-methods)