Bruno

Bruno is a fast, git-friendly API client for testing REST, GraphQL, and gRPC APIs. Open source alternative to Postman with offline-first design and no cloud sync required.

Founded in 2022

FreeAPI Testing

Bruno is a fast, git-friendly API client for testing REST, GraphQL, and gRPC APIs. Open source alternative to Postman with offline-first design and no cloud sync required.

Founded in 2022

You can use Bruno to test REST, GraphQL, and gRPC APIs without needing cloud accounts or internet connections. It stores all your API collections as local files that you can version control with Git. You can collaborate with teammates by sharing collections through Git repositories, run automated tests on your APIs, and organize your API documentation alongside your code. Bruno works completely offline and keeps all your data on your machine for security and privacy.

Integrations

GitHub

GitLab

Bitbucket

VS Code

Use Cases

Test APIs during development without internet access

Version control API collections with your code repository

Share API documentation with team through Git

Run API tests in CI/CD pipelines

Debug API responses without cloud dependencies

Collaborate on API testing without paid accounts

Standout Features

Works completely offline without internet connection

Stores API collections as plain text files

Integrates natively with any Git repository

No account registration or cloud sync required

Supports REST, GraphQL, and gRPC protocols

Lightweight and fast loading performance

Tasks it helps with

Send HTTP requests to REST APIs

Query GraphQL endpoints with variables

Test gRPC service methods

Organize API requests into collections

Write and run automated API tests

Export API documentation as files

Who is it for?

Software Engineer, Back-End Developer, Front-End Developer, Full-Stack Developer, DevOps Engineer, Mobile App Developer, Systems Analyst, Technical Writer