Insomnia REST Client icon

Insomnia REST Client

Insomnia, a powerful and intuitive API testing and development platform. Simplify REST API testing with a user-friendly interface, dynamic environments, and collaborative features. Insomnia supports various authentication methods and provides a seamless experience for designing, testing, and documenting APIs.

What is Insomnia REST Client?

Insomnia is a robust API testing and development platform designed to streamline the process of creating, testing, and documenting REST APIs. With its user-friendly interface and comprehensive feature set, Insomnia has become a popular choice among developers and teams engaged in API-centric workflows.

One of Insomnia's standout features is its intuitive interface for designing and testing API requests. Users can easily create requests, set parameters, and execute them to interact with APIs directly within the application. The platform supports various HTTP methods, query parameters, request headers, and authentication methods, making it versatile for testing diverse API scenarios.

Insomnia's dynamic environments feature allows users to manage different configurations and switch seamlessly between environments. This is particularly useful when working with APIs across multiple development, testing, and production environments, ensuring flexibility and consistency in testing workflows.

Collaboration is facilitated through features like shared workspaces, enabling team members to collaborate on API projects. Users can share API specifications, request collections, and test suites, promoting teamwork and knowledge sharing throughout the API development lifecycle.

The platform supports various authentication methods, including API key, OAuth, and Basic Auth, providing users with the flexibility to test APIs with different security mechanisms. Additionally, users can create and run automated test suites to ensure the reliability and correctness of API responses.

Insomnia includes a comprehensive documentation feature, allowing users to document APIs directly within the application. This feature promotes clarity and understanding of API endpoints, request payloads, and response structures, aiding in effective communication within development teams.

Available as a desktop application and a web version, Insomnia caters to different user preferences and ensures accessibility across various platforms. Its ongoing development and community engagement make it a valuable tool for individuals and teams involved in API testing and development.

The Best Insomnia REST Client Alternatives

Top Apps like Insomnia REST Client

Postman, soapUI, HTTP Toolkit, Graphical HTTP Client, Thunder Client, Bruno, Hoppscotch, Milkman, Insomnium, Apibucket.io, Advanced REST Client, RapidAPI for Mac, Runscope, Guide API, NativeRest, HttpRequester, Restfox, REST Client for Android, RESTed, Nozomi, HttpMaster, Resting, Iron Test, Assertible, rest-client, Restlet, JunoRestClient, WebMaestro, TestMace, Bearer, RESTtest, GraphicalHttpClient, CurlHub.io, Droptice, FRequest are some alternatives to Insomnia REST Client.

Postman

Postman stands as a comprehensive API development and testing platform, offering a suite of tools to streamline the entire API workflow. Widely used by developers and teams, Postman provides a user-friendly interface that simplifies tasks such as creating, testing, and documenting APIs. One of Postman's key features is its...

SoapUI

soapUI is a powerful and feature-rich API testing tool designed to cater to the testing needs of SOAP and REST services. Widely adopted by developers and QA professionals, soapUI provides a comprehensive set of features to automate, functional, and performance test APIs. One of soapUI's primary strengths is its...

HTTP Toolkit

HTTP Toolkit is an open-source web debugging proxy and HTTP inspection tool for debugging and testing web applications and APIs. It allows developers to intercept, inspect, modify, mock, and replay HTTP requests and responses as they pass between a web browser, application, or other HTTP client and the server.Key...

Graphical HTTP Client

A graphical HTTP client is an application used for testing HTTP/HTTPS resources such as web APIs and web applications. It provides a user interface for constructing HTTP requests and reading HTTP responses.Key features of a graphical HTTP client include:GUI interface for creating requests - Unlike curl or...

Thunder Client

Thunder Client is a free, open-source desktop application designed specifically for making API requests and viewing responses. It provides a simple but powerful graphical interface that allows you to easily construct requests, save them into collections, analyze responses, and more.Some key features of Thunder Client include:Intuitive request builder...

Bruno

Bruno is a free and open source 2D animation program for Windows, MacOS and Linux. It features a clean and user-friendly interface that aims to be simple, intuitive and easy to use for beginner and hobbyist animators.Bruno allows animators to create traditional frame-by-frame animation projects. Key features include onion...

Hoppscotch

Hoppscotch is a free, open-source API development ecosystem that helps developers and teams build, test, and document APIs efficiently. It provides a slick graphical user interface for constructing API requests, viewing responses, generating code snippets, mocking servers, and creating productive documentation.Some key features of Hoppscotch include:Intuitive request builder...

Milkman

Milkman is an open-source email marketing and newsletter platform designed for developers, startups, and small businesses. It is built in Python/Django and allows full control and customization of your email campaigns.Some key features of Milkman include:Drag-and-drop email template builder with support for both text and HTML emailsSubscriber...

Insomnium

Insomnium is an open-source, self-hosted blogging platform and alternative to WordPress. It was created with a focus on simplicity, ease of use, and providing a lightweight yet fully-featured blogging solution.Some key features and benefits of Insomnium include:Lightweight and fast - Insomnium uses less server resources than WordPress, loading...

Apibucket.io

Apibucket.io is a comprehensive API management platform that enables organizations to create, publish, analyze and monetize their APIs effectively. Some key features of Apibucket.io:Intuitive visual API designer to rapidly build and prototype APIs.Built-in API gateway capabilities including rate limiting, quotas, caching, transformations and more.Auto-generated developer...

Advanced REST Client

Advanced REST Client is a free, open-source API testing tool for developers. It provides an intuitive interface for making HTTP/REST requests, inspecting server responses, and testing REST and SOAP web services.Key features include:Supports all HTTP methods like GET, POST, PUT, DELETE, etc.Custom headers and basic access...

RapidAPI for Mac

RapidAPI for Mac is a powerful API client tool designed specifically for macOS users. It aims to streamline and simplify API integration into development projects by providing a comprehensive API toolbox and workflow manager in one desktop app.Key features of RapidAPI for Mac include:Intuitive API search and discovery...

Runscope

Runscope is a powerful cloud-based platform designed specifically for API testing, monitoring, and analytics. It makes it easy for developers and testers to create, manage, and run API tests, while providing valuable visibility into the performance and reliability of web APIs and services.Some of the key features of Runscope...

Guide API

Guide API is an AI-powered platform that allows anyone to build step-by-step conversational guides and tutorials. It provides a visual editor to design guides with complex logic and natural conversations without the need for coding.Some key capabilities and benefits of Guide API include:Visual branch editor - Easily build...

NativeRest

NativeRest is an open-source REST API framework specifically designed for Delphi and Free Pascal development. It aims to make creating REST APIs simple and fast without requiring a lot of boilerplate code.Some key features of NativeRest include:Routing with support for parameters and custom route matchingControllers for handling requests...

HttpRequester

HttpRequester is an open-source, cross-platform desktop application for sending HTTP requests and testing APIs. It provides a graphical user interface that makes it easy for developers, testers, and anyone working with APIs to construct and send all kinds of HTTP requests without having to write code.With HttpRequester, you can...

Restfox

Restfox is an open-source functional testing tool designed specifically for REST APIs. It allows users to easily create, organize, run, and report on API tests without needing to write code.Some key features of Restfox include:Intuitive graphical interface to set up API tests via simple form inputsSupport for all...

REST Client for Android

REST Client for Android is a free, open-source REST API client app for Android. It provides an easy way for developers to test and explore REST APIs right from their Android device.Some key features of REST Client for Android include:Intuitive and clean UI for easily constructing requestsSupport for...

RESTed

RESTed is an open-source, cross-platform REST API testing application. It provides a simple and intuitive interface for sending HTTP requests to test REST APIs and view their responses.Some key features of RESTed:Supports all HTTP methods like GET, POST, PUT, DELETE, OPTIONS, PATCH etc.Allows adding custom HTTP headers...

Nozomi

Nozomi is an open source alternative to SharePoint for building intranets, document management, and team collaboration platforms. Developed in PHP using the Laravel framework and MySQL database, Nozomi provides many of the features of SharePoint without the licensing costs.Key features of Nozomi include:Document management with version controlTeam sites...

HttpMaster

HttpMaster is an advanced HTTP client and web testing tool for Windows. It provides a graphical user interface and various features to help test, debug, and analyze HTTP(S) requests.Some key features of HttpMaster include:Building and sending all kinds of HTTP requests - GET, POST, PUT, DELETE, etc...

Resting

Resting is a popular mindfulness and meditation app designed to help users reduce stress, anxiety, and sleep better. The app provides a variety of guided meditations focused on different goals such as reducing anxiety, improving focus, self-reflection, and more. In the app, you can choose from hundreds of guided meditations...

Iron Test

Iron Test is an open-source load and performance testing tool designed for testing web applications and APIs. It allows developers and testers to see how their application behaves under various realistic user loads and identify performance bottlenecks before launching.Some key features of Iron Test include:Ability to simulate thousands...

Assertible

Assertible is a software platform designed specifically for testing and monitoring APIs. It provides the following key features:Automated API testing - Simply describe your API test scenarios in an easy domain specific language, and Assertible will turn them into automated tests that continuously validate your API functionality throughout development...

Rest-client

Rest-client is an open-source, desktop application for testing REST APIs. It provides developers a fast and simple way to send HTTP requests and view responses without having to write code. Key features include:Support for GET, POST, PUT, DELETE and other HTTP verbsCustom headers and body data for requestsSyntax highlighting...

Restlet

Restlet is an open-source framework for building RESTful web APIs in Java. It aims to simplify the creation and deployment of RESTful web services by handling routing, serialization, server communication, and client libraries:Routing - Restlet provides a routing API to map RESTful resources to request handlers, so you don't...

JunoRestClient

JunoRestClient is a free, open-source REST API client application for Windows, Mac and Linux. It provides a simple and easy-to-use interface for sending HTTP requests to test and interact with REST APIs.With JunoRestClient, you can quickly create requests such as GET, POST, PUT, PATCH, DELETE and more with full...

WebMaestro

WebMaestro is a versatile website builder designed to provide an intuitive way for anyone to create stunning websites. With its user-friendly drag-and-drop interface, you don't need any coding or design experience to build the website you envision.Some key features of WebMaestro include:Customizable templates and themes - Choose from...

TestMace

TestMace is an easy-to-use, open-source test automation framework designed to make test automation accessible for teams of all sizes. It provides an intuitive interface for creating, managing, and executing automated UI tests across web and mobile applications.Some key capabilities and benefits of TestMace include:No-code test creation via record...

Bearer

Bearer is a cross-platform password manager and digital vault application developed by Bearer Inc. It allows users to securely store passwords, sensitive documents, photos, videos, and other files protected by AES-256 bit encryption.Some key features of Bearer include:Password generator to create strong, random passwordsAuto-fill password capabilities for web...

RESTtest

RESTtest is an open-source API testing tool that allows developers to easily test REST APIs. Some key features and benefits of RESTtest include:Intuitive user interface - Easy to create requests quickly through the clean and simple UI.Support for all HTTP methods - Supports GET, POST, PUT, DELETE, OPTIONS...

GraphicalHttpClient

GraphicalHttpClient is an open-source, cross-platform application that provides a graphical user interface for sending HTTP requests and viewing HTTP responses.Some of the key features of GraphicalHttpClient include:Supports common HTTP methods like GET, POST, PUT, DELETE, etc.Allows composing requests by entering URLs, headers, query parameters, and request bodiesDisplays...

CurlHub.io

CurlHub.io is an open-source API testing and management platform built for developers and testers. It provides an intuitive interface for sending HTTP requests, inspecting responses, organizing APIs, mocking servers, and automating tests.Some key features of CurlHub include:Flexible request builder with support for all HTTP methods, headers, parameters...

Droptice

Droptice is a lightweight online project management and task management app designed as an alternative to tools like Trello and Asana. It offers a simple, intuitive drag-and-drop kanban interface for organizing tasks and projects into customizable boards and lists.Some key features of Droptice include:Kanban-style boards with flexible views...

FRequest

FRequest is an open-source alternative to Postman focused on providing API testing and development capabilities in a self-hosted environment. Some key features of FRequest include:Intuitive interface for sending various types of API requests (GET, POST, PUT, DELETE, etc.) and viewing detailed response informationAbility to save and organize requests into...