Awesome Open Source
Awesome Open Source
Hoppscotch Logo


Open source API development ecosystem

contributions welcome Website Tests Tweet

Built with by contributors



Chat on Discord Chat on Telegram

Table of contents


Lightweight: Crafted with minimalistic UI design.

Fast: Send requests and get/copy responses in real-time.

HTTP Methods

  • GET - Requests retrieve resource information
  • POST - The server creates a new entry in a database
  • PUT - Updates an existing resource
  • PATCH - Very similar to PUT but makes a partial update on a resource
  • DELETE - Deletes resource or related component
  • HEAD - Retrieve response headers identical to those of a GET request, but without the response body.
  • CONNECT - Establishes a tunnel to the server identified by the target resource
  • OPTIONS - Describe the communication options for the target resource
  • TRACE - Performs a message loop-back test along the path to the target resource
  • <custom> - Some APIs use custom request methods such as LIST. Type in your custom methods.

Make it yours: Customizable combinations for background, foreground and accent colors customize now .


  • Choose theme: System (default), Light, Dark and Black
  • Choose accent color: Green (default), Teal, Blue, Indigo, Purple, Yellow, Orange, Red and Pink
  • Distraction free Zen mode

Customized themes are synced with cloud / local session

PWA: Install as a PWA on your device.

  • Instant loading with Service Workers
  • Offline support
  • Low RAM/memory and CPU usage
  • Add to Home Screen
  • Desktop PWA

Request: Retrieve response from endpoint instantly.

  1. Choose method
  2. Enter URL
  3. Send
  • Copy/share public "Share URL"
  • Generate/copy request code snippets for 10+ languages and frameworks
  • Import cURL
  • Label requests

WebSocket: Establish full-duplex communication channels over a single TCP connection.

Server Sent Events: Receive a stream of updates from a server over a HTTP connection without resorting to polling.

Socket.IO: Send and Receive data with SocketIO server.

MQTT: Subscribe and Publish to topics of a MQTT Broker.

GraphQL: GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data.

  • Set endpoint and get schema
  • Multi-column docs
  • Set custom request headers
  • Query schema
  • Get query response

Authorization: Allows to identify the end user.

  • None
  • Basic
  • Bearer Token
  • OAuth 2.0
  • OIDC Access Token/PKCE

Headers: Describes the format the body of your request is being sent as.

Parameters: Use request parameters to set varying parts in simulated requests.

Request Body: Used to send and receive data via the REST API.

  • Set Content Type
  • FormData, JSON and many more
  • Toggle between key-value and RAW input parameter list

Response: Contains the status line, headers and the message/response body.

  • Copy response to clipboard
  • Download response as a file
  • View response headers
  • View raw and preview of HTML, image, JSON, XML responses

History: Request entries are synced with cloud / local session storage to restore with a single click.

Collections: Keep your API requests organized with collections and folders. Reuse them with a single click.

  • Unlimited collections, folders and requests
  • Nested folders
  • Export and import as file or GitHub gist

Collections are synced with cloud / local session storage

Proxy: Enable Proxy Mode from Settings to access blocked APIs.

  • Hide your IP address
  • Fixes CORS (Cross Origin Resource Sharing) issues
  • Access APIs served in non-HTTPS (http://) endpoints
  • Use your own Proxy URL

Official proxy server is hosted by Hoppscotch - GitHub - Privacy Policy

Pre-Request Scripts : Snippets of code associated with a request that are executed before the request is sent.

  • Set environment variables
  • Include timestamp in the request headers
  • Send a random alphanumeric string in the URL parameters
  • Any JavaScript functions

API Documentation: Create and share dynamic API documentation easily, quickly.

  1. Add your requests to Collections and Folders
  2. Export Collections and easily share your APIs with the rest of your team
  3. Import Collections and Generate Documentation on-the-go

Keyboard Shortcuts: Optimized for efficiency.

Read our documentation on Keyboard Shortcuts

i18n: Experience the app in your own language.

Help us to translate Hoppscotch. Please read TRANSLATIONS for details on our CODE OF CONDUCT, and the process for submitting pull requests to us.

Add-ons: Official add-ons for hoppscotch.

  • Proxy - A simple proxy server created for Hoppscotch

  • CLI - A CLI solution for Hoppscotch

  • Browser Extensions - Browser extensions that simplifies access to Hoppscotch

    Firefox Firefox  |  Chrome Chrome

    Extensions fixes CORS issues.

  • Hopp-Doc-Gen - An API doc generator CLI for Hoppscotch

Add-ons are developed and maintained under Hoppscotch Organization.

Auth + Sync: Sign in and sync your data in real-time.

Sign in with

  • GitHub
  • Google
  • Email

Synchronize your data

  • History
  • Collections
  • Environments
  • Settings

Post-Request Tests : Write tests associated with a request that are executed after the request response.

  • Check the status code as an integer
  • Filter response headers
  • Parse the response data
  • Any JavaScript functions

Environments : Environment variables allow you to store and reuse values in your requests and scripts.

  • Unlimited environments and variables
  • Initialize through pre-request script
  • Export as / import from GitHub gist
  • By storing a value in a variable, you can reference it throughout your request section
  • If you need to update the value, you only have to change it in one place
  • Using variables increases your ability to work efficiently and minimizes the likelihood of error

Teams : Helps you collaborate across your team to design, develop, and test APIs faster.

  • Unlimited team collections and shared requests
  • Unlimited team members
  • User roles

Bulk Edit: Edit key-value pairs in bulk.

  • Entries are separated by newline
  • Keys and values are separated by :
  • Prepend // to any row you want to add but keep disabled

For more features, please read our documentation.



  1. Choose method
  2. Enter URL
  3. Send request
  4. Get response

Built with


  1. Update .env.example file found in packages/hoppscotch-app with your own keys and rename it to .env.

Sample keys only works with the production build.

Browser based development environment

Local development environment

  1. Clone this repo with git.
  2. Install pnpm using npm by running npm install -g pnpm.
  3. Install dependencies by running pnpm install within the directory that you cloned (probably hoppscotch).
  4. Start the development server with pnpm run dev.
  5. Open development site by going to http://localhost:3000 in your browser.

Docker compose

  1. Clone this repo with git.
  2. Run docker-compose up
  3. Open development site by going to http://localhost:3000 in your browser.


Official container   hoppscotch/hoppscotch

docker run --rm --name hoppscotch -p 3000:3000 hoppscotch/hoppscotch:latest


  1. Clone this repo with git.
  2. Install pnpm using npm by running npm install -g pnpm.
  3. Install dependencies by running pnpm install within the directory that you cloned (probably hoppscotch).
  4. Build the release files with pnpm run generate.
  5. Find the built project in packages/hoppscotch-app/dist.


Please contribute using GitHub Flow. Create a branch, add commits, and open a pull request.

Please read CONTRIBUTING for details on our CODE OF CONDUCT, and the process for submitting pull requests to us.

Continuous Integration

We use GitHub Actions for continuous integration. Check out our build workflows.


See the CHANGELOG file for details.


This project exists thanks to all the people who contribute make a contribution.


This project is licensed under the MIT License - see the LICENSE file for details.

Get A Weekly Email With Trending Projects For These Topics
No Spam. Unsubscribe easily at any time.
Vue (83,467
Hacktoberfest (22,878
Api (21,797
Vuejs (9,761
Graphql (8,132
Rest Api (8,017
Tool (6,308
Testing (6,238
Websocket (5,270
Rest (4,095
Pwa (3,299
Api Client (2,911
Developer Tools (1,743
Nuxt (1,693
Api Rest (1,640
Spa (1,593
Testing Tools (1,440
Nuxtjs (1,363
Http Client (1,261
Api Testing (179
Related Projects