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Tech riderRev. 4 Oct 2026

Fortio

Ch 097.1of 34 Performance Testing Software
  1. 1Runs onAPI, Linux, Mac, self-hosted, Web, Windows
  2. 2CostsFree plan
  3. 3Load testingYes
  4. 4API testingYes
  5. 5Deployment modelon-premise
5 lines stated Written from the maker's own pages: fortio.org
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The Fortio homepage

Overview

Fortio is ranked #9 of 34 in performance testing software on Specifiction. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Fortio plans and pricing

All plans
Fortio Free open-source project · downloadable binaries · Docker image · self-hosted CLI, server and web UI fortio.org · 4 Oct 2026

Compared on performance testing software

Load testing
Yesfortio.org
API testing
Yesfortio.org
Deployment model
on-premisefortio.org

Facts

Purpose
Fortio is an HTTP and gRPC load-testing library, command-line tool, echo server and web UI written in Go.fortio.org · 4 Oct 2026
Load measurement
It runs at a specified queries-per-second rate and records latency histograms and percentiles such as p99.fortio.org · 4 Oct 2026
Run modes
A load run can last for a set duration, a fixed number of calls, or until interrupted, at target QPS or maximum speed.fortio.org · 4 Oct 2026
Results UI and API
The server includes a web UI and REST API for starting runs and viewing latency and comparative result graphs.fortio.org · 4 Oct 2026
Protocol and debug features
Server features include request echo, probabilistic latency or error injection, TCP echo and proxy, HTTP fan-out proxy, and gRPC echo and health.fortio.org · 4 Oct 2026
Libraries
Fortio is reusable and embeddable as a Go library, and components such as log, stats and fhttp can be used independently.fortio.org · 4 Oct 2026
Tracing
Fortiotel is a Fortio variant with OpenTelemetry hooks and default options.fortio.org · 4 Oct 2026
Related integration
Fortio Proxy can provide HTTPS with automatic TLS certificates and multiplex gRPC and regular HTTP services behind one port.fortio.org · 4 Oct 2026
Install options
The project documents installation through Docker, Go install, platform binaries, Homebrew on macOS, and a Windows ZIP.github.com · 4 Oct 2026
Architectures
The published Docker image supports linux/amd64, linux/arm64, linux/ppc64le and linux/s390x.github.com · 4 Oct 2026
Open source
The maker describes Fortio as an open-source project and links to its source repository and releases.fortio.org · 4 Oct 2026
Security reporting
The repository security policy asks users to open an issue or contact the main author to report a vulnerability.github.com · 4 Oct 2026
Support and contributions
The maker directs users to the GitHub project to see examples, download releases, file issues, or contribute.fortio.org · 4 Oct 2026
Notable requirement
Installing from source requires Go 1.18 or later.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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