Microsoft NuGet website screenshot

Microsoft NuGet

NuGet is the package manager for .NET, hosted by Microsoft. It provides APIs for searching, downloading, publishing, and managing .NET packages through the NuGet Gallery and private feeds.

Microsoft NuGet publishes 6 APIs on the APIs.io network, including Autocomplete API, Flatcontainer API, Index.json API, and 3 more. Tagged areas include .NET, Microsoft, NuGet, and Package Management.

Microsoft NuGet’s developer surface includes authentication, developer portal, documentation, getting-started guide, support, engineering blog, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
46.7/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
6 APIs
.NETMicrosoftNuGetPackage Management

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 46.7/100 · developing
Contract Quality 13.1 / 25
Developer Ergonomics 9.1 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 5.6 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/microsoft-nuget: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

Microsoft NuGet Autocomplete API

The Autocomplete API from Microsoft NuGet — 1 operation(s) for autocomplete.

Microsoft NuGet Flatcontainer API

The Flatcontainer API from Microsoft NuGet — 3 operation(s) for flatcontainer.

Microsoft NuGet Index.json API

The Index.json API from Microsoft NuGet — 1 operation(s) for index.json.

Microsoft NuGet Package API

The Package API from Microsoft NuGet — 2 operation(s) for package.

Microsoft NuGet Query API

The Query API from Microsoft NuGet — 1 operation(s) for query.

Microsoft NuGet Registration5 Gz Semver2 API

The Registration5 Gz Semver2 API from Microsoft NuGet — 2 operation(s) for registration5 gz semver2.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

NuGet Server API (V3)

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Microsoft Nuget Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Microsoft Nuget Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Microsoft Nuget Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Microsoft Nuget Authentication

apiKey · 1 scheme

SECURITY

Microsoft Nuget Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Microsoft Nuget Agentic Access

10 operations · 2 acting

10 operations · 2 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 2

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: microsoft-nuget
name: Microsoft NuGet
description: NuGet is the package manager for .NET, hosted by Microsoft. It provides APIs for searching, downloading, publishing,
  and managing .NET packages through the NuGet Gallery and private feeds.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/microsoft-nuget.png
tags:
- .NET
- Microsoft
- NuGet
- Package Management
url: https://raw.githubusercontent.com/api-evangelist/microsoft-nuget/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: microsoft-nuget:microsoft-nuget-autocomplete-api
  name: Microsoft NuGet Autocomplete API
  description: The Autocomplete API from Microsoft NuGet — 1 operation(s) for autocomplete.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Autocomplete
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-autocomplete-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
- aid: microsoft-nuget:microsoft-nuget-flatcontainer-api
  name: Microsoft NuGet Flatcontainer API
  description: The Flatcontainer API from Microsoft NuGet — 3 operation(s) for flatcontainer.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Flatcontainer
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-flatcontainer-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
- aid: microsoft-nuget:microsoft-nuget-index-json-api
  name: Microsoft NuGet Index.json API
  description: The Index.json API from Microsoft NuGet — 1 operation(s) for index.json.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Index.json
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-index-json-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
- aid: microsoft-nuget:microsoft-nuget-package-api
  name: Microsoft NuGet Package API
  description: The Package API from Microsoft NuGet — 2 operation(s) for package.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Package
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-package-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
- aid: microsoft-nuget:microsoft-nuget-query-api
  name: Microsoft NuGet Query API
  description: The Query API from Microsoft NuGet — 1 operation(s) for query.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Query
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-query-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
- aid: microsoft-nuget:microsoft-nuget-registration5-gz-semver2-api
  name: Microsoft NuGet Registration5 Gz Semver2 API
  description: The Registration5 Gz Semver2 API from Microsoft NuGet — 2 operation(s) for registration5 gz semver2.
  humanURL: https://learn.microsoft.com/en-us/nuget/api/overview
  baseURL: https://api.nuget.org/v3/
  tags:
  - Registration5 Gz Semver2
  properties:
  - type: OpenAPI
    url: openapi/microsoft-nuget-registration5-gz-semver2-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/nuget/api/overview
  - type: Reference
    url: https://learn.microsoft.com/en-us/nuget/api/search-query-service-resource
common:
- type: AgenticAccess
  url: agentic-access/microsoft-nuget-agentic-access.yml
- type: DomainSecurity
  url: security/microsoft-nuget-domain-security.yml
- type: Authentication
  url: authentication/microsoft-nuget-authentication.yml
- type: Portal
  url: https://www.nuget.org/
- type: Website
  url: https://www.nuget.org/
- type: GitHubOrganization
  url: https://github.com/NuGet
- type: Documentation
  url: https://learn.microsoft.com/en-us/nuget/
- type: GettingStarted
  url: https://learn.microsoft.com/en-us/nuget/quickstart/install-and-use-a-package-in-visual-studio
- type: TermsOfService
  url: https://www.nuget.org/policies/Terms
- type: PrivacyPolicy
  url: https://privacy.microsoft.com/en-us/privacystatement
- type: Support
  url: https://support.microsoft.com/
- type: StatusPage
  url: https://status.nuget.org/
- url: https://devblogs.microsoft.com/dotnet/category/nuget/feed/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com