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sp-api

v43.0.0 Stable

Substrate runtime api primitives

Apache-2.0 Edition 2021

Quick Verdict

  • Actively maintained (updated 11d ago)
  • Stable API (43.x for 6+ years)
  • Massive adoption (5.5K crates depend on it)
  • Team maintained (2 owners)
  • Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
3.8M
Dependents
5.5K
Releases
63
Size
34KB

Deep Insights

📊
Stable downloads

174.3K downloads in the last 30 days (5.8K/day). Volume is roughly flat compared to the previous period.

🔗
Widely adopted

5.5K crates depend on sp-api. Strong ecosystem adoption means battle-tested code and long-term stability.

👤
Prolific maintainer

The primary maintainer publishes 674 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 6+ years

The API has been stable (1.x) for over 6 years with 63 releases. This level of maturity means you can depend on it without worrying about breaking changes.

📐
Compact crate

At 33KB, sp-api is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include sc-executor, sp-genesis-builder, frame-support, frame-benchmarking, polkadot-sdk. When high-quality crates choose sp-api, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
5K/day avg-45%
05K10K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v39.0.0
61%
v36.0.1
14%
v35.0.0
10%
v38.0.0
10%
v40.0.0
4%

Release Timeline

10 releasessince 2025
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2026
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Feature Flags

default =["std"]

std*frame-metadatadisable-loggingno-metadata-docs

README

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Maintainers

Dependencies
15
direct dependencies
Dependents
5.5K
crates depend on sp-api