Is there anyway to place data transfer limits on Amazon S3 so I don't get charged beyond a certain amount? -

I'm trying to host video and set the data transfer limit on S3 so that I do not charge for more Get 20 GB, any way to do this?

It is not what I know

but you have set end dates You can try to issue the query string authentication url for S3 resources. And then use the server login log to track the total downloads. This is missed by GB or can not be spent too much: -)