Microsoft Package Registration API

The Registration API from Microsoft Package — 1 operation(s) for registration.

Documentation GitHub OpenAPI

Specifications

https://raw.githubusercontent.com/api-evangelist/microsoft-package/refs/heads/main/openapi/microsoft-package-registration-api-openapi.yml

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OpenAPI Specification

openapi: 3.1.0
info:
  title: NuGet Server API (V3) PackageContent Registration API
  description: HTTP endpoints for discovering, downloading, and publishing NuGet packages against nuget.org and compatible package sources. Entry point is the service index. Endpoints below cover service index, search, registration metadata, and package content (flat container).
  version: '3'
servers:
- url: https://api.nuget.org/v3
  description: nuget.org V3 API root
security: []
tags:
- name: Registration
paths:
  /registration5-semver1/{id}/index.json:
    get:
      tags:
      - Registration
      summary: Get registration index for a package
      operationId: getRegistrationIndex
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Registration index
          content:
            application/json:
              schema:
                type: object
        '404':
          description: Not found
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-NuGet-ApiKey
      description: Required only for publish/delete operations on nuget.org.
x-generated-from: https://learn.microsoft.com/en-us/nuget/api/overview
x-generated-by: claude-genwave10-08-2026-05-23