To interact with the Smartcar API, you will need to exchange your authorization code from the Connect redirect for an access token. Check the overview page for how to manage your tokens.
A valid HTTP User Agent value. This value is typically included in the HTTP requests by the client that is making the request. You usually don’t have to set this manually.
The redirect_uri provided in the redirect to Connect step. This value is checked to match the URI sent when the user was directed to Connect.
If you launch Connect from a single-page or mobile application, redirect_urimust match the URI passed in your Connect URL, not the redirect for your backend.