# Microsoft .NET

**Canonical:** https://apis.io/providers/microsoft-net/  
**Website:** https://dotnet.microsoft.com/  
**APIs profiled:** 9

Microsoft .NET is a free, cross-platform, open source developer platform for building many different types of applications. The .NET APIs and developer tools provide programmatic access to .NET runtime services, NuGet package management, project templates, and build tooling across web, mobile, desktop, games, IoT, cloud, and microservices workloads.

## Kin Score — 41.9 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 41.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 49.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 57.1 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

## Agent readiness — 22.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (9)

- **Microsoft .NET API Browser** — Comprehensive reference for .NET APIs across all packages, namespaces, and types in the .NET ecosystem including .NET 9, .NET Standard, and .NET Framework.
- **NuGet Server API** — RESTful API for interacting with nuget.org and private NuGet feeds, supporting package search, download, push, delete, and metadata queries for .NET package management.
- **.NET CLI** — Cross-platform command-line interface for developing, building, running, and publishing .NET applications. Provides commands for project creation, package management, testing, a...
- **ASP.NET Core Web API** — Framework for building HTTP-based RESTful APIs and web services with ASP.NET Core, including controllers, minimal APIs, routing, model binding, authentication, and OpenAPI integ...
- **.NET Aspire** — Cloud-ready stack for building observable, production-ready distributed applications in .NET with built-in service discovery, health checks, telemetry, and configuration managem...
- **Microsoft .NET PackageContent API** — The PackageContent API from Microsoft .NET — 3 operation(s) for packagecontent.
- **Microsoft .NET Registration API** — The Registration API from Microsoft .NET — 2 operation(s) for registration.
- **Microsoft .NET Search API** — The Search API from Microsoft .NET — 1 operation(s) for search.
- **Microsoft .NET ServiceIndex API** — The ServiceIndex API from Microsoft .NET — 1 operation(s) for serviceindex.

## Agentic access (1)

- **Microsoft Net Agentic Access** — 7 operations

## Security (3)

- **Microsoft Net Authentication** — apiKey · 1 scheme
- **Microsoft Net Domain Security** — TLSv1.3 · HSTS · DMARC
- **Microsoft Net Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Microsoft Net Plans Pricing**

## Use cases (5)

- **Enterprise Web Applications** — Build scalable enterprise web applications using ASP.NET Core with authentication, authorization, and data access.
- **Microservices Architecture** — Design and deploy microservices using .NET with gRPC, message queues, and service discovery.
- **Cloud-Native Applications** — Develop cloud-native applications with .NET Aspire, containers, and Azure integration.
- **RESTful API Development** — Create production-ready REST APIs with OpenAPI documentation, versioning, and rate limiting.
- **Desktop Applications** — Build Windows desktop applications using WPF, WinForms, or .NET MAUI for cross-platform desktop.

## Tags

.NET, C#, Cloud, Cross-Platform, Developer Tools, Microsoft, Open-Source

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/microsoft-net/). Scores are computed from the provider's own public artifacts under a published rubric.