Package Preflight
Normalize npm or PyPI package reality: existence, requested-version existence, resolved/latest version, staleness, deprecation/yank state when available, license and runtime requirement. No dependency graph or vulnerability analysis. Public registries only; unsupported provider fields are null.
$0.002 / callPOST /package/preflightx402 · Base
Use when
- is this npm package version available
- check package release metadata
- is this package deprecated
Input example
{
"ecosystem": "npm",
"package": "express",
"version": "5.1.0"
}
Canonical paid endpoint
https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflight