WireMock User Documentation
WireMock is a popular open-source tool for API mock testing, with over 5 million downloads per month. It can help you to create stable test and development environments, isolate yourself from flakey 3rd parties and simulate APIs that don't exist yet.
Getting Started
Overview 
Quick Start 
Download 
Get Help Distributions
WireMock provides the following generic distributions that allow running it as a standalone server in a container or within a Java Virtual Machine.
Standalone JAR 
Docker 
Helm (Experimental) 
WireMock Cloud (commercial SaaS) 
NPM By use-case
Below you can find links to the documentation for WireMock key use-cases. You can find more documentation pages on the sidebar.
Advanced request matching 
Dynamic response templating 
Use API Mocking in your unit tests 
Fault and latency injection 
Record / Playback 
Use pre-defined Mock API templates 
Extending WireMock By protocol
WireMock can serve all HTTP-based protocols and REST API. Through built-in features and extensions, it provides additional capabilities for widely used protocols.
Webhooks and Callbacks 
HTTPs 
gRPC 
GraphQL By technology
There are also solutions and guides for particular technologies and frameworks, provided by the WireMock community and external contributors.
Java and JVM 
Python 
Spring Boot 
Node.js 
Android 
.NET 
Golang 
Rust 
Groovy 
Kotlin 
Kubernetes 
Testcontainers 
Quarkus 
C/C++