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Amazon SNS

Verified

Fully managed pub/sub messaging for application-to-application and application-to-person notifications

Message Oriented Middleware
  • Deployment Cloud Based
  • Starting price $0
  • Free trial Not offered
  • Best for Startups, SMEs, Enterprises

What is Amazon SNS?

Amazon Simple Notification Service (SNS) is a fully managed publish/subscribe messaging service from AWS. It lets applications send messages to multiple subscribers at once, supporting both application-to-application (A2A) delivery to endpoints like AWS Lambda and Amazon SQS, and application-to-person (A2P) delivery through SMS, mobile push, and email. SNS integrates with more than 60 AWS services and is commonly used to decouple microservices and fan out event notifications.

The service offers standard topics for high throughput delivery and FIFO topics for strict message ordering with deduplication. Features include message filtering, batching, archiving and replay, dead letter queues, and encryption with AWS KMS. Pricing is usage based with a permanent free tier covering the first million requests each month.

Key Features of Amazon SNS

Amazon SNS lists 10 documented features, including Fully managed pub/sub messaging with A2A and A2P delivery, FIFO topics with strict message ordering and deduplication and Message filtering by attributes or payload content. The list below covers what the product does rather than how it is marketed.

  • Fully managed pub/sub messaging with A2A and A2P delivery
  • FIFO topics with strict message ordering and deduplication
  • Message filtering by attributes or payload content
  • Message archiving and replay
  • Dead-letter queues for undeliverable messages
  • SMS, mobile push, and email delivery to end users
  • Encryption in transit and at rest with AWS KMS
  • Configurable delivery retry policies
  • Integration with over 60 AWS services
  • Resource-based access policies and tagging

Amazon SNS Pricing

Amazon SNS lists 4 plans without published figures. Pricing is quoted on request.

Free Tier

$0

1 million requests/month

Free Trial

Always-free allowance covering the first 1 million SNS requests, first 100,000 HTTP/S notifications, and first 1,000 email notifications each month, on an ongoing basis.

Standard Topics

$0.50 per 1 million requests

Pay-as-you-go after free tier

Free Trial

Each 64 KB chunk of published or delivered data counts as one request.

FIFO Topics

$0.60 per 1 million requests

Pay-as-you-go after free tier

Free Trial

Messages billed in 1 KB to 256 KB increments; subscription messages billed per delivery plus a per-GB payload charge.

SMS Messaging

Varies by destination country

Pay per message

Free Trial

Priced separately by destination country and message type on the SNS SMS pricing page.

Amazon SNS Specifications

Amazon SNS is available on web app. It offers an API and has a free plan.

Software Tagline :
Fully managed pub/sub messaging for application-to-application and application-to-person notifications
Deployment :
  • cloud based
Subscription Plan :
transaction
Desktop Platforms :
  • web app
Mobile Platforms :
Language Support :
en
Target Audience :
  • startups
  • smes
  • enterprises
Available Support :
  • email
  • phone
  • tickets
  • training
Integrations :
AWS Lambda, Amazon SQS, Amazon Kinesis Data Firehose, Amazon CloudWatch, AWS KMS, AWS PrivateLink, HTTP/S endpoints, mobile push (Apple APNs, Firebase/FCM), email, SMS carriers, and over 60 AWS services
Product Url :
https://aws.amazon.com/sns/
API Available :
Yes
Free Trial Available :
No
Run On Mobile Browser :
Yes
Free Plan Available :
Yes
Customization Available :
Yes

Amazon SNS Videos

Amazon SNS Screenshots

Amazon SNS screenshot 1

Alternatives of Amazon SNS

Alternatives

Other Message Oriented Middleware products listed on SocialAtoZ, each with its own pricing and feature detail to compare against Amazon SNS.

Amazon SQS

Fully managed, pay-as-you-go message queuing service for decoupling cloud applications.

Explore More

Apache ActiveMQ

Open source, multi-protocol Java message broker for flexible enterprise messaging.

Explore More

Apache Kafka

Open source distributed event streaming platform for high-throughput, real-time data pipelines.

Explore More

Apache Pulsar

Open-source, cloud-native distributed messaging and streaming platform with built-in multi-tenancy.

Explore More

Amazon SNS Comparisons

Side by side comparisons of Amazon SNS against 3 other Message Oriented Middleware options listed here.

Amazon SNS
Amazon SQS
VS
Amazon SNS
Apache ActiveMQ
VS
Amazon SNS
Apache Kafka
VS

Overall Amazon SNS Reviews

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Amazon SNS FAQs

A fully managed pub/sub messaging service that uses push-based delivery so subscribers do not need to poll for updates, unlike a queue-based service.

SNS pushes time-critical messages out to multiple subscribers at once, while SQS is a polling-based message queue for a single consumer type. The two are often combined for fan-out delivery.

HTTP/HTTPS endpoints, email, SMS text messages, mobile push notifications, and Amazon SQS queues, with access controlled per topic.

FIFO topics guarantee ordered delivery to Amazon SQS FIFO queues, which suits use cases like financial transactions and inventory updates that require strict sequencing.

Standard messages support up to 256 KB of data; larger payloads are split into multiple billable messages. SMS messages have their own, much smaller size limit.

SNS applies a multi-phase retry policy with escalating delays, and messages can be routed to a dead-letter queue after retries are exhausted.