Can ESTA be extended or renewed?

No, you will not receive an email notification and you will need to check the status of your application online.

Your ESTA authorisation needs to be valid for when you enter the U.S. and will allow you to stay within U.S. territory for up to 90 days from when you land. Therefore, it is okay if your ESTA does not remain not valid throughout your stay in the United States as long as you do not overstay the limit of 90 days.

If you are a UK citizen and have a post-dated passport that won’t be valid until a certain date (due to name change for example), you will not be able to apply for ESTA, as you need to apply using a passport that is valid at the time the application is submitted. Since a post-dated passport