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aws-sigv4

v1.4.2 Stable

SigV4 signer for HTTP requests and Event Stream messages.

Apache-2.0 Edition 2021 MSRV 1.91.1

Quick Verdict

  • โœ“Actively maintained (updated 23d ago)
  • โœ“Stable API (1.x for 5+ years)
  • โœ“Massive adoption (2.3K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (33 direct deps)

Security

Checking security advisories...
Downloads
77.3M
Dependents
2.3K
Releases
97
Size
98KB

Deep Insights

๐Ÿ“Š
Steady growth

7.2M downloads in the last 30 days (240.3K/day), up 10% from the previous period.

๐Ÿ”—
Widely adopted

2.3K crates depend on aws-sigv4. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 489 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 97 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

33 direct dependencies. Consider the impact on compile times and supply chain complexity.

โš ๏ธ
Notable yanked versions

29% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include aws-runtime, aws-sdk-s3, mongodb, gcloud-sdk, aws-sdk-bedrockruntime. When high-quality crates choose aws-sigv4, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
207K/day avg+44%
0100K200K300K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.3.7
24%
v1.3.0
21%
v1.3.4
20%
v1.2.9
20%
v1.3.6
16%

Release Timeline

97 releases28 yankedsince 2020
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2020
1
2021
8
2022
21
2023
39
2024
13
2025
11
2026
4
Less
More|
Yanked

Feature Flags

default =["sign-http", "http1"]

http1*sigv4asign-http*http0-compatsign-eventstream

README

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Maintainers

Dependencies
33
direct dependencies
Dependents
2.3K
crates depend on aws-sigv4