Creates a new access token.
Deprecated: This method is deprecated and is no longer available for new apps. Existing apps that already use custom authentication (deprecated) can continue using it. To migrate to the new authentication, see Authenticate Using OAuth.
Important: Authentication methods differ depending on whether you're building a Wix app or a Wix Headless project.
You must pass your app ID, your app’s secret key, the refresh token, and {"grant_type": "refresh_token"} to create a new access token.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.