app-package-archive
PyPI
The Python community's package index, holding every published version of each package along with structured metadata. You can search on the website, and its keyless JSON API lets our search pull package details directly. Useful for software archaeology: retrieving an old release of a library or checking a package's version history.
Warum es nützlich ist & wie es funktioniert
PyPI is the authoritative source for Python packages and keeps every version of every package that has ever been published, along with structured metadata for each release. Its keyless JSON API means Echo can pull package details directly, so searching by package name surfaces version lists, release dates, and descriptions without leaving the search interface. It is especially valuable for software archaeology: tracking down an older release of a library, understanding when a dependency changed, or confirming what was available at a specific point in time.
Was drinsteckt
Over 600,000 projects and more than 8 million individual releases as of early 2026, with download volume exceeding 300 billion packages annually.
API-Zugang
https://pypi.org/pypi/ <pkg>/json (keyless)
Zugang
Programmatic API access (a key may be required, see the API tag).