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About the developer

6.8K Stars 323 Forks GNU Lesser General Public License v3.0 130 Commits 140 Opened issues


GUI Client for GRPC Services

Services available


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The missing GUI Client for GRPC services. 🌸

Inspired by Postman and GraphQL Playground
BloomRPC aims to provide the simplest and most efficient developer experience for exploring and querying your GRPC services.

Install the client, select your protobuf files and start making requests!
No extra steps or configuration needed.


  • Native GRPC calls
  • Unary Calls and Server Side Streaming Support
  • Client side and Bi-directional Streaming
  • Automatic Input recognition
  • Multi tabs operations
  • Metadata support
  • Persistent Workspace
  • Request Cancellation
  • Much more...


CTRL+w or CMD+w: close tab

ESC: focos editor

CTRL+Enter or CMD+Enter: send request


GRPC Web is now supported! Just toggle the

switch to

Note on https:

  • add https to the url, note for GRPC-Web it also supports path, e.g.
  • or turn on "TLS" -> Server certificate (default port will change to 443)
  • self-signed certificate not supported at the moment


We support all the major operation systems, MacOS / Windows / Linux Deb - Arch Linux

You can install the client downloading the installer directly from the Releases Page

For MacOS and Homebrew users:

brew install --cask bloomrpc

The app will get installed and copied to the path


For Windows and chocolatey users:

choco install bloomrpc

Search for bloomrpc in windows search.

Build from source:

git clone
cd bloomrpc

yarn install && ./node_modules/.bin/electron-rebuild npm run package

The installer will be located in the



Planned Features

  • [x] Client-Side Streaming and Bi-Directional Streaming Support
  • [x] Draggable tabs
  • [x] Web Version with GRPC-WEB


We are welcome to any kind of feedback and contributions.

Development Mode:

Run this 2 commands in two different terminals

npm run start-server-dev
npm run start-main-dev

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