Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, fully managed message queuing service. SQS makes it simple and cost-effective to decouple the components of a cloud application. You can use SQS to transmit any volume of data, at any level of throughput, without losing messages or requiring other services to be always available.
With SQS, you can offload the administrative burden of operating and scaling a highly available messaging cluster, while paying a low price for only what you use.
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AWS Free Tier includes 1 million requests with Amazon Simple Queue Service (SQS).
Amazon SQS provides significant advantages over the complexity of home-grown message queuing services or the ongoing expense of licensed or hosted messaging services.
Amazon SQS runs within Amazon’s high-availability data centers, so queues will be available whenever applications need them. To prevent messages from being lost or becoming unavailable, all messages are stored redundantly across multiple servers and data centers.
Developers can get started with Amazon SQS by using only five APIs: CreateQueue, SendMessage, ReceiveMessage, ChangeMessageVisibility, and DeleteMessage. Additional APIs are available to provide advanced functionality.
Amazon SQS was designed to enable an unlimited number of messaging services to read and write an unlimited number of messages at any time.
Authentication mechanisms are provided to ensure that messages stored in Amazon SQS queues are secured against unauthorized access.
No up-front or fixed expenses. The only costs of sending messages through Amazon SQS are small per-request handling fees and data transfer fees.
