RestSharp

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).

1 APIs 0 Features

.NETApache LicenseC#HTTP ClientNuGetOpen SourceSDKs

APIs

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 ...

Pricing Plans

Restsharp Plans Pricing

3 plans

PLANS

Rate Limits

Restsharp Rate Limits

5 limits

RATE LIMITS

FinOps

Restsharp Finops

FINOPS

Semantic Vocabularies

Restsharp Context

25 classes · 4 properties

JSON-LD

JSON Structure

Restsharp Rest Client Options Structure

0 properties

JSON STRUCTURE

Restsharp Rest Request Structure

0 properties

JSON STRUCTURE

Example Payloads

Restsharp Bearer Auth Example

6 fields

EXAMPLE

Restsharp Get Request Example

6 fields

EXAMPLE

Restsharp Post Json Example

6 fields

EXAMPLE

Resources

GitHubOrganization

Sources

aid: restsharp
name: RestSharp
description: 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).
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- .NET
- Apache License
- C#
- HTTP Client
- NuGet
- Open Source
- SDKs
url: https://raw.githubusercontent.com/api-evangelist/restsharp/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-05-02'
specificationVersion: '0.19'
apis:
- aid: restsharp:restsharp
  name: RestSharp
  description: '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 of request and response bodies. Current version:
    114.0.0 (released March 2026). Targets .NET 8.0, .NET Standard 2.0, and .NET Framework 4.7.1.'
  humanURL: https://restsharp.dev/
  tags:
  - .NET
  - C#
  - HTTP Client
  - NuGet
  - Open Source
  properties:
  - type: Documentation
    url: https://restsharp.dev/docs/intro/
  - type: GettingStarted
    url: https://restsharp.dev/docs/intro/
  - type: GitHub
    url: https://github.com/restsharp/RestSharp
  - type: NuGet
    url: https://www.nuget.org/packages/RestSharp
  - type: ChangeLog
    url: https://github.com/restsharp/RestSharp/releases
common:
- type: DomainSecurity
  url: security/restsharp-domain-security.yml
- type: Website
  url: https://restsharp.dev/
- type: Documentation
  url: https://restsharp.dev/docs/intro/
- type: GitHubOrganization
  url: https://github.com/restsharp
- type: NuGet Package
  url: https://www.nuget.org/packages/RestSharp
- type: License
  url: https://github.com/restsharp/RestSharp/blob/dev/LICENSE.txt
- type: Support
  url: https://github.com/restsharp/RestSharp/issues
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com