What is Amazon SQS?

Amazon Simple Queue Service, or SQS, is a fully managed message queuing service from Amazon Web Services that lets distributed application components send, store, and receive messages without the customer managing any queue infrastructure. It offers standard queues for high throughput with at-least-once delivery and FIFO queues for strict first-in-first-out ordering with exactly-once processing. Messages can be retained from one minute up to 14 days, and dead-letter queues isolate messages a consumer fails to process.

SQS is billed per request rather than a flat subscription fee, and the first one million requests each month are free for every customer. It integrates closely with other AWS services such as Lambda, EC2, S3, DynamoDB, SNS, and CloudWatch, and it can encrypt messages using AWS Key Management Service.

Key Features of Amazon SQS

Here are the powerful features that make Amazon SQS stand out from the competition. Packed with innovative tools and advanced functionalities, this software offers a range of benefits.

  • Standard queues with at-least-once delivery and nearly unlimited throughput
  • FIFO queues with exactly-once processing and strict message ordering
  • Fair queues that reduce noisy-neighbor impact between tenants sharing a queue
  • Dead-letter queues for isolating and diagnosing messages that fail processing
  • Configurable message retention from 1 minute up to 14 days
  • Server-side encryption using AWS Key Management Service
  • Extended payload support up to 2 GiB via the Amazon S3 Extended Client Library
  • Native integration with AWS Lambda, EC2, DynamoDB, SNS, and CloudWatch

Amazon SQS Pricing

Here are the pricing plans for Amazon SQS. Choose the plan that best fits your requirements and budget.

Free Tier

Free

1 million requests/month

Available to all customers every month; does not expire or roll over

Standard queue requests

From $0.40 per million requests

First 100 billion requests/month, lower tiered rates at higher volume

Pay-as-you-go billing per request beyond the free tier

FIFO queue requests

From $0.50 per million requests

First 100 billion requests/month, lower tiered rates at higher volume

Pay-as-you-go pricing for guaranteed ordering and exactly-once processing

Amazon SQS Specifications

Get a closer look at the technical specifications and system requirements for Amazon SQS. Find out if it's compatible with your operating system and other software.

Software Tagline :
Fully managed, pay-as-you-go message queuing service for decoupling cloud applications.
Deployment :
  • cloud based
Subscription Plan :
transaction
Desktop Platforms :
  • web app
Mobile Platforms :
Language Support :
en
Target Audience :
  • freelancers
  • startups
  • smes
  • enterprises
Available Support :
  • tickets
  • phone
  • training
Integrations :
AWS Lambda, Amazon EC2, Amazon S3 (via the Extended Client Library), Amazon DynamoDB, Amazon SNS, Amazon CloudWatch, AWS Key Management Service, and AWS SDKs for Java, Python (Boto3), JavaScript/Node.js, .NET, Go, and other languages
API Available :
Yes
Free Trial Available :
No
Run On Mobile Browser :
No
Free Plan Available :
Yes
Customization Available :
Yes

Amazon SQS Videos

Amazon SQS Screenshots

Alternatives

Explore alternative software options that can fulfill similar requirements as Amazon SQS. Evaluate their features, pricing, and user feedback to find the perfect fit for your needs.

Amazon SQS Comparisons

Compare Amazon SQS with other similar options available. Explore the key differences to see why it's the top choice for businesses and individuals.

Overall Amazon SQS Reviews

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Amazon SQS Pros and Cons

Amazon SQS FAQs

SQS is pay-as-you-go with no minimum fee. The first 1 million requests each month are free, then standard queue requests start at $0.40 per million and FIFO queue requests start at $0.50 per million, with lower rates at higher monthly volumes.

Standard queues offer at-least-once delivery with best-effort ordering and nearly unlimited throughput, while FIFO queues guarantee exactly-once processing and strict first-in-first-out ordering.

Message retention is configurable from 1 minute up to 14 days, with a default of 4 days.

A dead-letter queue is a target queue for messages that a consumer fails to process successfully after a configured number of attempts, used for isolating and debugging problem messages.

A single message can be up to 1 MiB by default, or up to 2 GiB when using the Amazon S3 Extended Client Library to store the payload in S3.