npm

npm Packages API

Package metadata retrieval, including full packuments and version-specific documents.

Operations 2

GET /{package} Get a package document (packument) #
GET /{package}/{version} Get a specific package version #

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OpenAPI Specification

npm-packages-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: npm Hooks Downloads Packages API
  description: The npm Hooks API allows developers to subscribe to notifications about changes in the npm registry.
  version: 1.0.0
  contact:
    name: npm Support
    url: https://www.npmjs.com/support
  termsOfService: https://docs.npmjs.com/policies/terms
servers:
- url: https://registry.npmjs.org
  description: npm Public Registry
security:
- bearerAuth: []
tags:
- name: Packages
  description: Package metadata retrieval, including full packuments and version-specific documents.
paths:
  /{package}:
    get:
      operationId: getPackageDocument
      summary: Get a package document (packument)
      description: Retrieves the full package document (packument) for a given package name. The packument includes all published versions, dist-tags, maintainers, repository information, and README content. For scoped packages, the package name should be URL-encoded (e.g., @scope%2Fpackage).
      tags:
      - Packages
      parameters:
      - $ref: '#/components/parameters/packageName'
      responses:
        '200':
          description: Package document retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PackageDocument'
        '404':
          description: Package not found.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /{package}/{version}:
    get:
      operationId: getPackageVersion
      summary: Get a specific package version
      description: Retrieves metadata for a specific version of a package. The version can be a valid semver string or the literal string "latest" to retrieve the version pointed to by the latest dist-tag. Returns the version-specific manifest including dependencies, scripts, and distribution information.
      tags:
      - Packages
      parameters:
      - $ref: '#/components/parameters/packageName'
      - $ref: '#/components/parameters/packageVersion'
      responses:
        '200':
          description: Package version metadata retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PackageVersion'
        '404':
          description: Package or version not found.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Person:
      type: object
      description: A person object representing a user, author, or maintainer.
      properties:
        name:
          type: string
          description: The display name of the person.
        email:
          type: string
          format: email
          description: The email address of the person.
        url:
          type: string
          format: uri
          description: The personal URL or website of the person.
    Repository:
      type: object
      description: Source code repository information.
      properties:
        type:
          type: string
          description: The version control system type, typically "git".
        url:
          type: string
          description: The URL of the source code repository.
    Error:
      type: object
      description: An error response from the registry.
      properties:
        error:
          type: string
          description: The error type or code.
        reason:
          type: string
          description: A human-readable explanation of the error.
    PackageDocument:
      type: object
      description: A full package document (packument) containing all metadata for a package, including every published version.
      properties:
        _id:
          type: string
          description: The package name, used as the document identifier.
        _rev:
          type: string
          description: The CouchDB document revision identifier.
        name:
          type: string
          description: The name of the package.
        description:
          type: string
          description: A short description of the package.
        dist-tags:
          type: object
          description: A mapping of distribution tags to version strings. The "latest" tag is always present.
          additionalProperties:
            type: string
        versions:
          type: object
          description: A mapping of version strings to version metadata objects.
          additionalProperties:
            $ref: '#/components/schemas/PackageVersion'
        time:
          type: object
          description: A mapping of version strings to ISO 8601 timestamps indicating when each version was published. Includes special keys "created" and "modified".
          additionalProperties:
            type: string
            format: date-time
        maintainers:
          type: array
          description: List of current package maintainers.
          items:
            $ref: '#/components/schemas/Person'
        author:
          $ref: '#/components/schemas/Person'
        repository:
          $ref: '#/components/schemas/Repository'
        readme:
          type: string
          description: The README content for the package, typically from the latest version.
        readmeFilename:
          type: string
          description: The filename of the README file.
        homepage:
          type: string
          format: uri
          description: The URL of the package homepage.
        keywords:
          type: array
          description: Keywords associated with the package for search discovery.
          items:
            type: string
        bugs:
          type: object
          description: Issue tracker information.
          properties:
            url:
              type: string
              format: uri
              description: URL of the issue tracker.
        license:
          type: string
          description: The SPDX license identifier for the package.
    Distribution:
      type: object
      description: Distribution metadata for a specific published version, including integrity hashes and tarball location.
      properties:
        shasum:
          type: string
          description: The SHA-1 checksum of the tarball.
        tarball:
          type: string
          format: uri
          description: The URL where the tarball can be downloaded.
        integrity:
          type: string
          description: The Subresource Integrity (SRI) hash of the tarball, typically using SHA-512.
        fileCount:
          type: integer
          description: The number of files in the tarball.
        unpackedSize:
          type: integer
          description: The total unpacked size of the tarball in bytes.
        signatures:
          type: array
          description: Cryptographic signatures for the package version.
          items:
            type: object
            properties:
              keyid:
                type: string
                description: The identifier of the signing key.
              sig:
                type: string
                description: The signature value.
    PackageVersion:
      type: object
      description: Metadata for a specific version of a package, including dependencies, scripts, and distribution information.
      properties:
        name:
          type: string
          description: The name of the package.
        version:
          type: string
          description: The semver version string.
        description:
          type: string
          description: A short description of the package.
        main:
          type: string
          description: The entry point module for the package.
        scripts:
          type: object
          description: A mapping of script names to shell commands.
          additionalProperties:
            type: string
        dependencies:
          type: object
          description: A mapping of package names to semver ranges for runtime dependencies.
          additionalProperties:
            type: string
        devDependencies:
          type: object
          description: A mapping of package names to semver ranges for development dependencies.
          additionalProperties:
            type: string
        peerDependencies:
          type: object
          description: A mapping of package names to semver ranges for peer dependencies.
          additionalProperties:
            type: string
        optionalDependencies:
          type: object
          description: A mapping of package names to semver ranges for optional dependencies.
          additionalProperties:
            type: string
        engines:
          type: object
          description: A mapping of runtime names to semver ranges specifying compatible environments.
          additionalProperties:
            type: string
        author:
          $ref: '#/components/schemas/Person'
        maintainers:
          type: array
          description: List of maintainers for this version.
          items:
            $ref: '#/components/schemas/Person'
        repository:
          $ref: '#/components/schemas/Repository'
        license:
          type: string
          description: The SPDX license identifier.
        keywords:
          type: array
          description: Keywords associated with this version.
          items:
            type: string
        dist:
          $ref: '#/components/schemas/Distribution'
        _npmVersion:
          type: string
          description: The version of npm used to publish this package version.
        _nodeVersion:
          type: string
          description: The version of Node.js used to publish this package version.
        _npmUser:
          $ref: '#/components/schemas/Person'
  parameters:
    packageName:
      name: package
      in: path
      description: The name of the package. For scoped packages, use URL encoding (e.g., @scope%2Fpackage).
      required: true
      schema:
        type: string
    packageVersion:
      name: version
      in: path
      description: A valid semver version string, or the literal string "latest" to resolve the current latest dist-tag.
      required: true
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: npm access token provided as a Bearer token.
externalDocs:
  description: npm Hooks Documentation
  url: https://blog.npmjs.org/post/145260155635/introducing-hooks-get-notifications-of-npm