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public-apis/public-apis

Establishedrank #46

A collective list of free APIs

494k+2.9k · 7d 55.2k 1.1kest. MITPythonpushed 2d ago
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Composite

75

conf 65%

Momentum

71

conf 60%

Vitality (PVI)

72

conf 67%

Community

68

conf 60%

Security & maint.

91

conf 85%

Ecosystem influence

80

conf 60%

Opportunity

60

conf 60%

Breakout · 7d

51%

conf 71%

Executive summary

public-apis is currently classified as established with a composite score of 75/100. Momentum (71) and vitality (72) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 2,864 stars against a 494k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 51%.

90-day trajectory

+12.4k · 30d
2026-08-042026-11-01

Score breakdown

Every input, weight and normalized value — nothing hidden. Inputs marked est. are estimated until the full ingestion pipeline lands.

Momentum

Star velocityest.25%96
Star accelerationest.15%50
Fork velocityest.10%99
Contributor growthest.10%100
Issue activity growthest.10%82
PR activity growthest.10%48
External mention velocityest.10%5
Release event impactest.5%76
Trending-rank persistenceest.5%43

Model tn-interpretable-1.0.0 · confidence 60% · coverage 100%

Project Vitality Index

Commit consistency20%94
Release cadenceest.15%77
PR responsivenessest.15%48
Issue responsivenessest.15%39
Contributor diversityest.10%100
Maintainer continuityest.10%81
Documentation qualityest.5%67
Dependency freshnessest.5%76
Security hygieneest.5%68

Model tn-interpretable-1.0.0 · confidence 67% · coverage 100%

Security & maintenance

Release recency25%96
License clarity20%92
Maintenance status25%94
Dependency stalenessest.15%89
Bus factorest.15%77

Model tn-interpretable-1.0.0 · confidence 85% · coverage 100%

Ecosystem influence

Dependent repositoriesest.30%100
Quality-weighted dependentsest.20%74
Documentation citationsest.15%53
Contributor overlapest.15%80
Registry adoptionest.10%52
Topic centralityest.10%100

Model tn-interpretable-1.0.0 · confidence 60% · coverage 92% · missing: packageRegistryAdoption