Microsoft .NET ServiceIndex API

openapi: 3.1.0
info:
  title: NuGet Server API (V3) PackageContent ServiceIndex API
  description: The NuGet Server API is the set of HTTP endpoints used by the .NET CLI, NuGet client, Visual Studio, and other tooling to discover, download, publish, and unlist NuGet packages from nuget.org and compatible package sources. Entry point is the service index at /v3/index.json. Endpoints documented here cover discovery (service index), search, registration (package metadata), package base address (content), and publish.
  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 service index
      description: Returns the V3 service index describing the resources available on this package source (search, registration, package base address, publish, etc.).
      operationId: getServiceIndex
      responses:
        '200':
          description: Service index document
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceIndex'
components:
  schemas:
    ServiceIndex:
      type: object
      properties:
        version:
          type: string
          example: 3.0.0
        resources:
          type: array
          items:
            type: object
            properties:
              '@id':
                type: string
                format: uri
              '@type':
                type: string
              comment:
                type: string
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-NuGet-ApiKey
      description: NuGet API key (required only for PackagePublish push/delete operations).
x-generated-from: https://learn.microsoft.com/en-us/nuget/api/overview
x-generated-by: claude-genwave10-08-2026-05-23