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Contents
| SQS | SNS | EventBridge | |
|---|---|---|---|
| Service Quotas | 100,000 topics, 12,500,000 subscriptions/topic | 100 event buses, 300 rules/bus | |
| Input Transformation | No | No | Yes |
| Max Message Size | 256 kB | 256 kB | |
| Cross Region | Yes, for AWS Lambda | Targets must be in the same Region. You can publish to a bus in another region | |
| Retry policy | SQS and Lambda: 23 days; SMS, SMTP and Mobile Push: 6 hours; exponential backoff retry | At-least-once, exponential backoff retry for up to 24 hours | |
| Pricing | Variable per endpoint, Free for AWS events, $ 0.50 / million requests (Mobile Push), $ 2.00 / 100,000 requests (E-mail) | Free for AWS events, $1.00/million events |