Amazon Simple Notification Service (SNS)
IT alerting software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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Pay-as-you-go
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Free version
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What is Amazon Simple Notification Service (SNS)
Amazon Simple Notification Service (SNS) is a managed publish/subscribe messaging service used to fan out notifications from applications and infrastructure events to multiple endpoints. IT and DevOps teams commonly use it to route alerts to email, SMS, HTTP(S) webhooks, and other AWS services as part of incident response and automation workflows. SNS differentiates through deep integration with AWS event sources and targets, and through support for topic-based pub/sub and message filtering for selective delivery.
Broad endpoint delivery options
SNS delivers notifications to multiple endpoint types including email, SMS, HTTP(S) endpoints, and AWS-native targets such as Lambda and SQS. This makes it suitable for multi-channel alerting and for triggering automated remediation workflows. Topic subscriptions allow one event to notify many recipients or systems without custom fan-out code.
Native AWS event integration
SNS integrates directly with common AWS event producers such as CloudWatch alarms and EventBridge rules. This reduces the amount of glue code needed to turn infrastructure signals into actionable notifications. It also fits well in AWS-centric architectures where alert routing and automation remain inside the same cloud environment.
Message filtering and routing
SNS supports subscription filter policies that route messages based on attributes, enabling targeted alert delivery (for example, by service, environment, or severity). This helps reduce noise by preventing irrelevant notifications from reaching certain endpoints. It also enables a single topic to serve multiple teams with different routing rules.
Not a full incident platform
SNS focuses on notification delivery rather than end-to-end incident management. It does not provide built-in on-call scheduling, escalation policies, acknowledgements, or incident timelines. Teams typically pair it with additional tooling to manage triage, collaboration, and post-incident workflows.
Limited alert enrichment and analytics
SNS does not natively provide advanced event correlation, deduplication, or root-cause analysis features. Alert context enrichment is usually implemented upstream (for example, in monitoring tools) or via custom processing with Lambda or other services. Organizations needing cross-system analytics and service health views generally require separate observability or IT operations tooling.
AWS-centric operational dependency
SNS is optimized for AWS integrations and IAM-based access control, which can increase coupling to AWS for alert routing. Multi-cloud or on-premises environments may require additional components (webhooks, proxies, or custom services) to integrate consistently. Operational practices such as permissions management and regional configuration follow AWS conventions, which can add complexity for teams not standardized on AWS.
Plan & Pricing
Pricing model: Pay-as-you-go (usage-based)
Free tier / Always-free monthly allowances (official):
- 1,000,000 Publishes per month (always free).
- 100,000 HTTP/S deliveries per month (always free).
- 1,000 Email deliveries per month (always free).
- SNS free tier also includes 1,000,000 mobile push deliveries/month (per FAQ).
Example costs (official stated rates):
- Amazon SNS API requests (publishes, etc.): $0.50 per 1,000,000 requests.
- HTTP(S) notification deliveries: $0.06 per 100,000 deliveries.
- Email notification deliveries: $2.00 per 100,000 deliveries.
- SMS messages: delivery charges vary by destination country/carrier; SNS also charges $0.50 per 1,000,000 SNS requests for SMS flows (delivery charge per message varies by country). See SMS pricing page for country-by-country rates and origination identity fees.
Other billed features (official):
- Message filtering: attribute-based filtering is free; payload-based filtering is charged based on outbound payload data scanned (minimum 1 KB scanned per outbound message).
- Message archiving & replay: billed based on data stored and retention time (minimum 1 day of storage).
- Message data protection (scanning/blocking/de-identification): billed based on amount scanned and audit data generated (minimum 1 KB per message scanned).
Discounts / notes:
- No upfront fees, no required minimum commitments, no long-term contracts; pay only for what you use.
- SMS per-message delivery costs vary by destination and may include carrier fees; some origination identities (10DLC, toll-free, short codes) incur one-time and/or monthly fees (examples listed on AWS SMS pricing page).
Seller details
Amazon Web Services, Inc.
Seattle, Washington, USA
2006
Subsidiary
https://aws.amazon.com/
https://x.com/awscloud
https://www.linkedin.com/company/amazon-web-services/
