Microsoft Package ServiceIndex API

openapi: 3.1.0
info:
  title: NuGet Server API (V3) PackageContent ServiceIndex 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: ServiceIndex
paths:
  /index.json:
    get:
      tags:
      - ServiceIndex
      summary: Get the V3 service index
      operationId: getServiceIndex
      responses:
        '200':
          description: Service index
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceIndex'
components:
  schemas:
    ServiceIndex:
      type: object
      properties:
        version:
          type: string
        resources:
          type: array
          items:
            type: object
            properties:
              '@id':
                type: string
                format: uri
              '@type':
                type: string
  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