Amazon SNS Standard versus Amazon SNS FIFO

24 Jul 2024

Learn how Amazon SNS Standard differs from Amazon SNS FIFO.

	Amazon SNS Standard	Amazon SNS FIFO
Scaling	not disclosed (default soft limit depends on region; e.g., 9000 msg/sec in eu-west-1)	3000 msg/sec (batch write) or 10 MB per second
Max. message size	256 KB	256 KB
Persistence	no	no
Replication	Multi-AZ	Multi-AZ
Order guarantee	no	yes
Delivery guarantee	at least once	exactly-once possible
Pricing	per message	per message
Protocols	AWS Rest API	AWS Rest API
AWS Integrations	Lambda, SQS, webhook	SQS FIFO
License	AWS only	AWS only
Encryption at rest	yes	yes
Encryption in transit	yes	yes

Further reading