openapi-changes

(β˜… 358)

The world's most powerful OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.2, 3.1 and 3.0

  • .gitignore
  • .goreleaser.yaml
  • AGENTS.md
  • Dockerfile
  • go.mod
  • go.sum
  • LICENSE
  • Makefile
  • openapi-changes-logo.webp
  • openapi-changes.go
  • package.json
  • README.md

# Installation Guide

1. Get the code
git clone https://github.com/pb33f/openapi-changes

Downloads the entire project code from GitHub to your computer.

cd openapi-changes

Moves into the project folder you just downloaded.

2. Official Install Script

Easy Recommended
Prerequisites
  • Homebrew A package manager for macOS/Linux.
  • Node.js Node.js must be installed to use npm.
brew install pb33f/taps/openapi-changes

Installs the pre-built package via Homebrew β€” no source build required.

npm i -g @pb33f/openapi-changes

Installs the package published on the npm registry globally β€” no need to clone the source.

curl -fsSL https://pb33f.io/openapi-changes/install.sh | sh

Downloads and runs the official install script in one line β€” this handles the full setup automatically.

βœ… After installing, open a new terminal and run the program's version command (e.g. --version) to confirm it worked.

Pulled directly from this repo's README.

3. Docker

Easy
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Docker Desktop Needed to build and run containers. Install it and keep it running in the background.
docker pull pb33f/openapi-changes

Type this command into your terminal and run it.

docker run --rm -v $PWD:/work:rw pb33f/openapi-changes summary . sample-specs/petstorev3.json

Runs the built image as an actual container.

docker run --rm -it -v $PWD:/work:rw pb33f/openapi-changes console . path/to/openapi.yaml

Runs the built image as an actual container.

βœ… Run docker compose ps to check the containers are Up. If the README mentions a port, open http://localhost:PORT in your browser.

Pulled directly from this repo's README.

4. Node.js

Easy
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Node.js Node.js must be installed to use npm. The LTS version is recommended.
npm i -g @pb33f/openapi-changes

Installs the package published on the npm registry globally β€” no need to clone the source.

yarn global add @pb33f/openapi-changes

Type this command into your terminal and run it.

βœ… After running the command, open the address shown in the terminal (usually something like http://localhost:3000) in your browser.

Pulled directly from this repo's README.

5. Go

Medium
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Go The Go compiler and toolchain.
go build -o bin/openapi-changes .

Compiles the Go program into an executable.

βœ… If the build finishes without errors, it worked. If you used go run ., check the terminal output.

Pulled directly from this repo's README.

6. Make

Medium
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Make Usually pre-installed on Linux/macOS. On Windows, install separately (e.g. via MSYS2 or WSL).
make

Compiles the code based on the generated build configuration to produce an executable.

βœ… If it finishes without errors, it worked. Try running the generated executable directly.

Pulled directly from this repo's README.

// repository documentation