how to get the access token

AI generated answer (using internal Slack threads):

To get the access token automatically via OAuth 2.0, you will need to generate a few parameters first to make it automated. However, the normal usage of the Authorization Grant flow requires you to control your own server, which you use as the target for the redirect URL so that it can do the post for you. Please note that the Authorization Grant is not meant to automatically log in for you. There is supposed to be an actual user granting access. If you want to do it automatically, you need to add an application to NetSuite and it will generate the key for you. There are two recommended methods for this: 1. Token-based Authentication: You get the token once and can use it forever. More details can be found [here](https://system.netsuite.com/app/help/helpcenter.nl?fid=chapter_4247329078.html). 2. OAuth 2.0 Client Credentials Flow: This is a newer method and its documentation might still be incorrect. More details can be found [here](https://system.netsuite.com/app/help/helpcenter.nl?fid=section_162730264820.html). ****** Disclaimer: This response was generated by an artificial intelligence assistant based on previous conversations from multiple Slack channels, and may contain inaccuracies or mistakes. ******