如何使用AWS S3 URL设置凭据？

I am trying to set up a simple S3 server I can pull a url (in this case it will be a Quickbase file that's been imported already), and by clicking a button will call a script stored in the Quickbase pages that will post to S3 with a tag field I defined, for simplicity's sake it's the dbid and record id# that's in a div field as its data that's pulled into the script as I am trying to set up a simple S3 server I can