This may have been posted already , I tried my best to search if this kind of post exists , if it is , please delete admins. Just sharing for those who would encounter it and need a fix.

So you registered on UaaS , created a trial account , and upgraded to starter plan. You renamed the project, then cloned it via the cmd or other way , booted up the project , and attempted to restore from live, But you are greeted with the error :

The source environment has thrown a Umbraco.Deploy.Exceptions.RemoteApiException with message: The remote API was not found, or 
args were invalid, or request was too long. It might have been caused by an inner with message: (empty)

Or maybe you've already cloned the project and needed to restore content from live , but it no longer works after renaming the project.

To fix this , edit this file: /config/UmbracoDeployConfig.config , highlighted in purple border and green text :

The new url can be found on your cloud cpanel , highlighted in red.

All Credits of this fix is by a man named "Gabriel" from UaaS