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🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
Checklist of the most important security countermeasures when designing, testing, and releasing your API
HTTP Request & Response Service, written in Python + Flask.
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie
Catch API bugs before your users do
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
Automated Integration Testing and Live Documentation for your API
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
A curated list of awesome system integration software and resources.
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
🔍A cutting edge context aware GraphQL API fuzzing tool!
KATT (Klarna API Testing Tool) is an HTTP-based API testing tool for Erlang.
Visually Validate Playwright Tests Without Flaky Selectors
A library that generates postman collection and integration tests from java code
Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.