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Api Testing

180 projects

Showing 36 of 180 projects

Hoppscotch
HoppscotchTypeScript

An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.

#developer-tools#open-source#api
Stars80.2k
Forks6.1k
Last commit4 days ago
Bruno
BrunoJavaScript

An open-source, offline-first API client that stores collections as files for Git-based collaboration.

#developer-tools#open-source#offline-first
Stars46.7k
Forks2.8k
Last commit1 day ago
curl (k)
curl (k)C

A command-line tool and library for transferring data with URLs, supporting over 25 protocols including HTTP, FTP, SSH, and WebSocket.

#user-agent#library#client
Stars42.7k
Forks7.3k
Last commit1 day ago
wrk
wrkC

A modern, multi-threaded HTTP benchmarking tool for generating significant load on web servers and APIs.

#http-benchmarking#load-testing#performance-testing
Stars40.4k
Forks3.0k
Last commit2 years ago
Insomnia
InsomniaTypeScript

An open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE, gRPC, and other HTTP-compatible protocols.

#developer-tools#api#graphql
Stars40.0k
Forks2.4k
Last commit1 day ago
Insomnia
InsomniaTypeScript

An open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE, and gRPC with local, Git, and cloud storage options.

#api#graphql#rest-api
Stars40.0k
Forks2.4k
Last commit1 day ago
httpie
httpiePython

A modern, user-friendly command-line HTTP client for testing, debugging, and interacting with APIs.

#rest#developer-tools#client
Stars38.5k
Forks4.0k
Last commit1 year ago
HTTPie
HTTPiePython

A modern, user-friendly command-line HTTP client for testing, debugging, and interacting with APIs.

#rest#developer-tools#client
Stars38.5k
Forks4.0k
Last commit1 year ago
httpie
httpiePython

A modern, user-friendly command-line HTTP client for testing, debugging, and interacting with APIs.

#rest#developer-tools#client
Stars38.5k
Forks4.0k
Last commit1 year ago
httpie
httpiePython

A modern, user-friendly command-line HTTP client for testing, debugging, and interacting with APIs.

#rest#developer-tools#client
Stars38.5k
Forks4.0k
Last commit1 year ago
k6
k6Go

A modern load testing tool for developers, using Go and JavaScript to test performance like unit tests.

#hacktoberfest#load-testing#devops
Stars31.4k
Forks1.6k
Last commit1 day ago
k6
k6Go

A modern load testing tool for developers, using Go and JavaScript to test performance like unit tests.

#hacktoberfest#load-testing#devops
Stars31.4k
Forks1.6k
Last commit1 day ago
Grape Swagger UI
Grape Swagger UIJavaScript

Dynamically generates interactive API documentation from OpenAPI/Swagger specifications.

#hacktoberfest#react-component#rest
Stars29.0k
Forks9.3k
Last commit2 days ago
locust
locustPython

An open-source load testing tool that lets you write scalable performance tests in plain Python.

#load-testing#developer-tools#load-test
Stars28.1k
Forks3.2k
Last commit9 days ago
localtunnel
localtunnelJavaScript

Expose your localhost to the world for easy testing and sharing without DNS or deployment.

#cli-tool#browser-testing#nodejs
Stars22.5k
Forks1.6k
Last commit1 year ago
Mobile-Security-Framework MobSF
Mobile-Security-Framework MobSFJavaScript

An automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis, and security assessment framework.

#mobile-security#web-security#ios-security
Stars21.7k
Forks3.8k
Last commit
Hurl
HurlRust

A command line tool to run and test HTTP requests using a simple plain text format.

#integration-testing#graphql#http
Stars19.2k
Forks743
Last commit1 day ago
Keploy
KeployGo

Open-source API and integration testing platform that auto-generates tests and mocks from real user traffic using eBPF.

#devops#mock-generation#integration-testing
Stars18.4k
Forks2.3k
Last commit1 day ago
Scalar
ScalarTypeScript

An open-source API platform providing a modern REST API client and beautiful API references with first-class OpenAPI/Swagger support.

#developer-tools#sdk-generation#api
Stars16.1k
Forks929
Last commit1 day ago
Supertest
SupertestJavaScript

A super-agent driven library for testing Node.js HTTP servers using a fluent API.

#superagent#integration-testing#testing-library
Stars14.4k
Forks783
Last commit5 months ago
MeterSphere
MeterSphereJava

An open-source continuous testing platform with AI assistant, integrating test management, API testing, and team collaboration.

#postman-alternative#continuous-testing#devops
Stars13.5k
Forks2.8k
Last commit4 days ago
Nock
NockJavaScript

A comprehensive HTTP server mocking and expectations library for Node.js to test modules in isolation.

#fixtures#test-isolation#unit-testing
Stars13.1k
Forks766
Last commit2 days ago
gRPCurl
gRPCurlGo

A command-line tool for interacting with gRPC servers, similar to curl but for gRPC.

#devops#json-rpc#server-reflection
Stars12.8k
Forks576
Last commit2 days ago
posting (k)
posting (k)Python

A terminal-based HTTP client for keyboard-centric API testing and development workflows.

#ssh-compatible#postman-alternative#python-tool
Stars12.4k
Forks270
Last commit5 months ago
Nightwatch
NightwatchJavaScript

An integrated end-to-end testing framework for web and mobile apps using Node.js and W3C WebDriver API.

#webdriver-api#chromedriver#accessibility-testing
Stars12.0k
Forks1.4k
Last commit3 months ago
wuzz
wuzzGo

Interactive terminal UI for inspecting, debugging, and sending HTTP requests with cURL-like syntax.

#go-application#inspector#http
Stars10.7k
Forks408
Last commit1 month ago
Apache JMeter (.2k)
Apache JMeter (.2k)Java

An open-source Java application for load testing and performance measurement of web services, databases, and various network protocols.

#load-testing#stress-testing#web-services
Stars9.5k
Forks2.3k
Last commit9 days ago
artillery-engine-playwright
artillery-engine-playwrightTypeScript

A complete load testing platform for production-grade HTTP, WebSocket, and Playwright-based load tests.

#playwright#lambda#load-testing
Stars9.1k
Forks565
Last commit9 days ago
Karate
KarateJava

A unified open-source framework combining API testing, mocks, performance testing, and UI automation.

#load-testing#performance-testing#graphql
Stars8.9k
Forks2.0k
Last commit2 days ago
Karate (.8k)
Karate (.8k)Java

A unified open-source framework combining API testing, mocks, performance testing, and UI automation with a simple syntax.

#load-testing#java-library#performance-testing
Stars8.9k
Forks2.0k
Last commit2 days ago
API Blueprint (.6k)
API Blueprint (.6k)

A high-level API design language for web APIs that enables prototyping, documentation, and testing before implementation.

#openapi-alternative#api-mocking#specification-language
Stars8.6k
Forks2.1k
Last commit3 years ago
xh
xhRust

A friendly and fast command-line HTTP client with an intuitive syntax, designed as a high-performance alternative to HTTPie.

#developer-tools#rest-api#terminal
Stars8.1k
Forks142
Last commit13 days ago
rest-assured
rest-assuredJava

A Java DSL for simplifying testing and validation of REST APIs with a fluent, Groovy-like syntax.

#xmlpath#rest#spring-framework
Stars7.1k
Forks1.9k
Last commit1 month ago
Requestly
Requestly

A local-first API client and HTTP interceptor for building, testing, and mocking APIs directly in your browser or desktop.

#git-sync#postman-alternative#hacktoberfest
Stars6.8k
Forks697
Last commit2 days ago
gRPC UI
gRPC UIJavaScript

A command-line tool that provides an interactive web UI for testing and debugging gRPC servers, similar to Postman for gRPC APIs.

#developer-tools#server-reflection#command-line-tool
Stars5.9k
Forks426
Last commit2 days ago
Postcat
PostcatJavaScript

An open-source, cross-platform API development and testing tool with plugin support for REST, Websocket, and more.

#open-source#api#rest-api
Stars5.5k
Forks798
Last commit6 months ago
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#Rest Api50
#Testing49
#Http Client46
#Developer Tools44
#Test Automation40
#Integration Testing37
#Openapi30
#Performance Testing30
#Go29
#Api28
#Load Testing27
#Http25