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Query string authentication is useful for giving HTTP or browser access to resources that would normally require authentication. The signature in the query string secures the request. Query string authentication requests require an expiration date. You can specify any future expiration time in epoch or UNIX time (number of seconds since January 1, 1970).
Using Query String Authentication
|1||Create a query.|
|2||Specify an expiration time for the query.|
|3||Sign it with your signature.|
|4||Place the data in an HTTP request.|
|5||Distribute the request to a user or embed the request in a web page|
For example, a query URL is similar to the following example.
For information on how to sign requests, see Query String Request Authentication Alternative