# Microsoft .NET

**Canonical:** https://apis.io/providers/microsoft-dotnet/  
**Website:** https://dotnet.microsoft.com/  
**APIs profiled:** 2

Microsoft .NET is a free, open-source, cross-platform developer platform for building many different types of applications. It includes the .NET runtime, base class libraries, and frameworks such as ASP.NET Core for building web APIs and services. The .NET API browser provides comprehensive reference documentation across the .NET Runtime, ASP.NET Core, Entity Framework, and Azure SDK libraries.

## Kin Score — 29.7 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 29.7).

| Facet | Score |
|---|---|
| Discoverability | 66.7 |
| Contract Quality | 26.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

## Agent readiness — 15.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| 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 | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (2)

- **.NET API Browser** — Comprehensive reference documentation for all .NET APIs including the .NET Runtime, base class libraries, ASP.NET Core, Entity Framework, and Azure SDK libraries. Browse types, ...
- **ASP.NET Core Web API** — Framework for building RESTful web APIs and HTTP services with .NET. Includes routing, model binding, validation, authentication, OpenAPI integration via Swashbuckle and the bui...

## Security (2)

- **Microsoft Dotnet Domain Security** — TLSv1.3 · HSTS · DMARC
- **Microsoft Dotnet Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Microsoft Dotnet Plans Pricing**

## Tags

.NET, ASP.NET Core, Azure SDK, Cross-Platform, Framework, Runtime, Web API

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