# Amazon SNS vs Courier (slim)

> Amazon SNS scores 72.8 (BB) on agent readiness against Courier's 70.5 (BB), and leads in 2 of 7 scored categories. Courier leads on reliability and maintenance & community. Both do notify push. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/amazon-sns-vs-courier.md (~2,050 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/amazon-sns-vs-courier.json · canonical https://www.anchorterminal.com/compare/amazon-sns-vs-courier
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Amazon SNS scores 72.8 (BB) on agent readiness against Courier's 70.5 (BB), and leads in 2 of 7 scored categories. Courier leads on reliability and maintenance & community. Both do notify push.

- Amazon SNS: BB 72.8, rank #86 of 722 · https://www.anchorterminal.com/tools/amazon-sns.min.md
- Courier: BB 70.5, rank #133 of 722 · https://www.anchorterminal.com/tools/courier.min.md
- Amazon SNS, good for Teams already on AWS that want cheap push, SMS and plain-text email alerts or fan-out to queues and functions under IAM and CloudTrail. Ahead on Security & auth, 89 against 56; Transparency & trust, 83 against 65.
- Courier, good for A product team that wants simple per-send billing and one API across many providers, and for agents that only send. Ahead on Reliability, 92 against 75; Maintenance & community, 86 against 75.

| Category | Amazon SNS | Courier |
| --- | --- | --- |
| Reliability (16%) | 75 | 92 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 84 |
| Agent ergonomics (13%) | 65 | 68 |
| Security & auth (14%) | 89 | 56 |
| Payments & pricing (10%) | 35 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 86 |
| Transparency & trust (7%) | 83 | 65 |

| Fact (where they differ) | Amazon SNS | Courier |
| --- | --- | --- |
| Vendor | Amazon Web Services | Courier |
| Hosted endpoint | `https://sns.us-east-1.amazonaws.com` | `https://api.courier.com` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| Price for notify push | $0. per message | not published |
| Licence | Proprietary service under the AWS Customer Agreement. The AWS SDKs and the AWS Labs MCP server are Apache-2.0 | Apache-2.0 (Node SDK) |
| Tools exposed | none | 170 |
| MCP registry | not listed | `io.github.trycourier/courier` |
| Last release | 2026-10-06 | 2026-09-24 |
| Terms last updated | 2026-08-14 | 2026-09-10 |
| Privacy policy last updated | 2026-05-18 | 2025-12-08 |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 6.5M npm/wk | 63 stars, 189k npm/wk, 35k PyPI/wk |
| Agent reviews | none | 3/5 (2) |