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Get a full fake REST API with zero coding in less than 30 seconds (seriously)
🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.
Checklist of the most important security countermeasures when designing, testing, and releasing your API
Automate browser based workflows with AI
The industry standard for API mocking in JavaScript.
Turn any website into a structured API. Extract, automate, search and monitor the web.
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
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Catch API bugs before your users do
🎲 Mock or extend your GraphQL API with faked data. No coding required.
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
Automatically generate API documentation from RSpec
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.
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
:dash: Simple yet powerful file-based mock server with recording abilities
🔍A cutting edge context aware GraphQL API fuzzing tool!
KATT (Klarna API Testing Tool) is an HTTP-based API testing tool for Erlang.