# RestSharp

**Canonical:** https://apis.io/providers/restsharp/  
**Website:** https://restsharp.dev/  
**APIs profiled:** 1

RestSharp is a simple REST and HTTP API client library for .NET that wraps HttpClient with a fluent API for making HTTP requests with automatic serialization and deserialization of request and response bodies. Supports JSON, XML, and CSV formats, OAuth1/OAuth2 authentication, async operations, and multi-part form uploads. Available on NuGet as RestSharp (9,800+ GitHub stars, Apache-2.0 license, .NET Foundation project).

## Kin Score — 17.2 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 17.2).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 10.7 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 2.5 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| 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 (1)

- **RestSharp** — RestSharp is a simple REST and HTTP API client library for .NET, wrapping HttpClient with a fluent API for making HTTP requests with automatic serialization and deserialization ...

## Security (1)

- **Restsharp Domain Security** — TLSv1.3

## Plans (1)

- **Restsharp Plans Pricing**

## Tags

.NET, Apache License, C#, HTTP Client, NuGet, Open-Source, SDK

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