Read exact or latest-tag public npm package metadata, with declared dependency ranges, engines, license and deprecation text.
How a pipeline uses this source
01 · sources
Sources
npmjs.org
02
Package Version
Read exact or latest-tag public npm package metadata, with…
03
Checks
3 saved checks run against the live site and a stored copy of…
04 · output
Your Dataset
Rows delivered to your sheet, warehouse, alerts or assistant…
Package Version
Step
Read exact or latest-tag public npm package metadata, with declared dependency ranges, engines, license and deprecation text.
Checks
Step
3 saved checks run against the live site and a stored copy of the page. Last passed 8 Oct 2026. When the site changes, Jason repairs the source and publishes a new revision.
Your Dataset
Output
Rows delivered to your sheet, warehouse, alerts or assistant on the schedule you choose.
Metadata only; no installation, tarball download, dependency resolution, security assessment or full version history. latest is a mutable tag.
Site and app names identify the source only. Jsonify is not affiliated with or endorsed by them. How Jsonify reads sites, and how a site owner can opt out: for site owners.
Fields
1 operation and the fields each returns.
package_version
Read exact or latest-tag public npm package metadata, with declared dependency ranges, engines, license and deprecation text.
Fields returned by package_version
Field
Type
Meaning
name
string
Name.
version
string
Version.
description
null
Description.
license
string
License.
homepage
null
Homepage.
keywords
null
Keywords.
deprecated
string
Deprecated.
engines
object
Engines.
dependencies
array
Dependencies.
peerDependencies
array
Peer dependencies.
optionalDependencies
array
Optional dependencies.
repository
object
Repository.
requested_version
string
Requested version.
source_url
string
URL of the public source record.
package_url
string
Package URL.
observed_at
string
Timestamp when the record was collected.
scope
string
Coverage and interpretation notes for the result.
Sample data
package_version
Row#
Open row
1
Example name
Example version
—
Example license
—
—
Example deprecated
1Example node
1Example name · Example version spec
1Example name · Example version spec
1Example name · Example version spec
3Example type · https://example.com/fixture · Example directory
Jason
