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List of awesome API clients. Postman and Insomnia alternatives

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Web-BasedDesktopIDECLIAutomated Testing

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What's inside

Automated Testing

  • abao

    REST API automated testing tool based on RAML

  • Artillery

    Load testing at cloud-scale

  • Dredd

    Language-agnostic HTTP API Testing Tool

  • HttpRunner

  • Hurl

    Hurl, run and test HTTP requests with plain text.

  • k6

    A modern load testing tool, using Go and JavaScript

CLI

  • ain

    A HTTP API client for the terminal, uses curl, wget or httpie to make the actual calls

  • ATAC

    A simple postman like API client for terminal

  • Better Curl Saul

    Workspace-based HTTP client with interactive variable prompting and TOML configuration

  • curl

    Command line tool and library for transferring data with URLs (since 1998)

  • curlie

    The power of curl, the ease of use of httpie

  • evans

    Evans: more expressive universal gRPC client

Desktop

  • API Dash

    API Dash is a beautiful open-source cross-platform API Client

  • BloomRPC

    (unmaintained) The missing GUI Client for gRPC services

  • Bruno

    Opensource IDE For Exploring and Testing APIs

  • Cartero

    A native, lightweight, multiplatform and free HTTP client

  • EasyPostman

    An open-source API debugging and performance testing tool inspired by Postman and a simplified JMeter

  • ezy

    GUI client for gRPC/gRPC-Web

Web-Based

  • Firecamp

    Open Source Postman Alternative inspired by VS Code DX

  • gRPC UI

    An interactive web UI for gRPC, along the lines of postman

  • Hoppscotch

    Open source API development ecosystem

  • repo

    A text-based in-browser HTTP client, an interface-less Postman alternative

  • Restfox

    Offline-first web HTTP client

  • Yaade

    Yaade is an open-source, self-hosted, collaborative API development environment

IDE

  • kulala.nvim

    A minimal REST-Client Interface for Neovim.

  • restclient.el

    HTTP REST client tool for emacs

  • resterm

    Terminal REST/Graphql/gRPC client written in Go.

  • rest.nvim

    A fast Neovim http client written in Lua

  • verb

    Organize and send HTTP requests from Emacs

  • VS Code REST Client

    Send HTTP request and view the response in Visual Studio Code

Showing a sample of 52 resources. View the full list on GitHub →