Artillery Has Free Load Testing — Here's How to Stress Test Your API in 5 Minutes

Your API works with 10 users. But what about 10,000? Artillery lets you find out before your users do. What is Artillery? Artillery is an open-source load testing toolkit. Write tests in YAML or JavaScript, simulate thousands of virtual users, get detailed performance reports. Quick Start npm install -g artillery Your First Load Test artillery quick --count 20 --num 10 https://your-api.com/health YAML Configuration config : target : " https://api.example.com" phases : - duration : 60 arrivalRate : 5 name : " Warm up" - duration : 120 arrivalRate : 50 name : " Peak load" scenarios : - name : " Browse and Search" flow : - get : url : " /products" - think : 2 - get : url : " /products/search?q=laptop" capture : - json : " $.results[0].id" as : " productId" - get : url : " /products/{{ productId }}" Key Features HTTP, WebSocket, Socket.IO, gRPC support YAML or JavaScript test scripts Capture and reuse response data Custom JS functions for complex scenarios HTML reports with artillery repor