Amazon SQS

Amazon SQS is ranked #6 of 38 in message broker software on Freedom251. It runs on API, Web. There is a free plan.

Amazon SQS plans and pricing

Free Tier Free 1 million requests aws.amazon.com · 20 Sept 2026

Standard queues Not published Usage-based pricing · At-least-once delivery · Best-effort ordering aws.amazon.com · 20 Sept 2026

FIFO queues Not published Usage-based pricing · Exactly-once processing · Ordered message groups aws.amazon.com · 20 Sept 2026

Amazon SQS Free Tier Free 1 million requests per month Free usage calculated monthly across Regions except GovCloud · Unused free usage does not roll over aws.amazon.com · 30 Sept 2026

Compared on message broker software

Free plan: Yes
Deployment model: cloud
Delivery guarantees: configurable
Dead-letter queues: Yes
Ordering guarantees: per_queue
Maximum message size: 1 MB
Supported protocols: AWS JSON, AWS Query, HTTPS, TLS

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Amazon SQS

Purpose: Amazon SQS is a fully managed message queuing service for microservices, distributed systems, and serverless applications.
Use cases: SQS lets software components send, store, and receive messages, supporting decoupled and event-driven applications.
Queue types: SQS offers Standard queues with at-least-once delivery and best-effort ordering, and FIFO queues that preserve message order without introducing duplicates.
Throughput: Standard queues support nearly unlimited transactions per second per API action; FIFO high throughput mode supports up to 70,000 messages per second without batching.
Message limits: A message payload can contain up to 256 KB; messages larger than that can use the Java Extended Client Library with Amazon S3.
Batching and retention: SQS supports batches of up to 10 messages and retains messages for up to 14 days.
Failure handling: Dead Letter Queues can receive messages after their maximum receive count is exceeded, and must match the source queue type.
Integrations: AWS lists integrations with Redshift, DynamoDB, RDS, EC2, ECS, Lambda, and S3, and describes fanout with SNS.
Security: Server-side encryption uses AWS KMS keys to encrypt messages when SQS receives them and decrypt them for authorized consumers.
Pricing model: SQS charges based on usage with no minimum fee; each API action counts as a request, and payloads are billed per 64 KB chunk.
Additional charges: S3 storage, AWS KMS calls, and cross-Region or internet data transfer may incur separate charges.
Intended users: AWS describes SQS use for organizations building microservices, distributed systems, and serverless applications, including startups, enterprises, nonprofits, and governments.
Founded: 2006
Price from: Free

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Where it ranks on Freedom251

Best Message Broker Software in 2026#6 of 38
Best Message Queue (MQ) Software in 2026#8 of 27

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Sources

aws.amazon.com/sqs/· checked 30 Sept 2026
aws.amazon.com/sqs/features/· checked 30 Sept 2026
aws.amazon.com/sqs/pricing/· checked 30 Sept 2026