What's New Welcome Introduction to Amazon SQS How SQS Queues Work About SQS Queues Properties of Distributed Queues Queue and Message Identifiers Resources Required to Process Messages Visibility Timeout Message Lifecycle About Requests and Responses Query Requests SOAP Requests Request Authentication What Is Authentication? Your AWS Account Your AWS Identifiers Viewing Your AWS Identifiers HMAC-SHA1 Signatures Required Authentication Information Basic Authentication Process About the String to Sign About the Time Stamp Java Sample Code for Base64 Encoding Java Sample Code for Calculating HMAC-SHA1 Signatures Query Request Authentication SOAP Request Authentication SOAP with WS-Security SOAP without WS-Security Responses API Reference WSDL Location and API Version Request Parameters Common to All Actions Errors Common to all Actions CreateQueue DeleteMessage DeleteQueue GetQueueAttributes ListQueues ReceiveMessage SendMessage SetQueueAttributes Glossary Document Conventions Index