Today, we are excited to announce the deps.dev API, which provides free access to the deps.dev dataset of security metadata, including dependencies, licenses, advisories, and other critical health and security signals for more than 50 million open source package versions.
Software supply chain attacks are increasingly common and harmful, with high profile incidents such as Log4Shell, Codecov, and the recent 3CX hack. The overwhelming complexity of the software ecosystem causes trouble for even the most diligent and well-resourced developers.
We hope the deps.dev API will help the community make sense of complex dependency data that allows them to respond to—or even prevent—these types of attacks. By integrating this data into tools, workflows, and analyses, developers can more easily understand the risks in their software supply chains.
The power of dependency data
As part of Google’s ongoing efforts to improve open source security, the Open Source Insights team has built a reliable view of software metadata across 5 packaging ecosystems. The deps.dev data set is continuously updated from a range of sources: package registries, the Open Source Vulnerability database, code hosts such as GitHub and GitLab, and the software artifacts themselves. This includes 5 million packages, more than 50 million versions, from the Go, Maven, PyPI, npm, and Cargo ecosystems—and you’d better believe we’re counting them!
We collect and aggregate this data and derive transitive dependency graphs, advisory impact reports, OpenSSF Security Scorecard information, and more. Where the deps.dev website allows human exploration and examination, and the BigQuery dataset supports large-scale bu
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