Trusted by developers worldwide
Create custom tests with specific VUS and durations.
Visualize bottlenecks with detailed real-time metrics.
Schedule load tests for automatic execution at specific times.
Enter your target URL, define virtual users, set duration, and configure routes — all in under a minute.
Our infrastructure distributes requests at scale, simulating real concurrent users hitting your API.
Review P99 latency, throughput, error rates, and per-route breakdowns in an interactive dashboard.
Test any part of your stack — not just HTTP endpoints.
Test any REST API or web endpoint with custom headers, methods, and payloads.
Stress test your gRPC services with protobuf-defined call definitions.
Simulate persistent WebSocket connections and message throughput.
Load test your GraphQL queries and mutations with full schema support.
“Testizy caught a P99 regression in our payments API before it went to production. Saved us from a very bad Friday.”
“Setup took literally 45 seconds. We now run load tests on every deploy. Our on-call rotation sleeps better.”
“Finally a load testing tool that doesn't require a PhD to configure. The per-route metrics are exactly what I needed.”
Join thousands of developers who ship with confidence. No credit card required.
Start for Free