Open-source OpenAPI mock server with cloud hosting and local modes for development, testing, and CI. Generates realistic API responses from specs with latency simulation, error injection, proxy fallback, and request validation. Validated against 2,200+ real-world OpenAPI specs.

Starter template for generating a Go OpenAPI mock server with Mockzilla. Typed handlers, custom logic, API Explorer UI, and automatic GitHub Actions deploys.

Starter template for OpenAPI mock services with Mockzilla. Push to main and get a hosted simulation URL and a downloadable binary in seconds.

MCP server for Mockzilla. Let Claude Code, Cursor, and Gemini CLI install Mockzilla, inspect OpenAPI specs, and spin up realistic local mock APIs in seconds. No account required for local use.

GitHub Actions for Mockzilla. Publish OpenAPI specs to a hosted API simulation on every push and pull request. Per-PR preview URLs, zero infrastructure required.

Mockzilla GitHub organization profile and community health files

Homebrew tap for Mockzilla. brew install mockzilla on macOS and Linux.

Scoop bucket for Mockzilla. scoop install mockzilla on Windows.

OpenAPI mock server for local development, testing, and CI, with portable and codegen modes, realistic responses, proxy fallback, latency simulation, and request validation.