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    4.0.1 • Public • Published

    PieSocket JavaScript Client

    A JavaScript Library for PieSocket Realtime.

    Note: This package is PieSocket Client SDK (to be used with frontend on browsers), if you are looking for the NodeJS Server SDK, please see PieSocket-NodeJS.



    yarn add piesocket-js@4


    npm i piesocket-js@4


    <script src=""></script>


    Import module:

    import PieSocket from 'piesocket-js';

    With CDN/Browser:

    Use the PieSocket global variable

    How To Use

    PieSocketJS offers Channels and Portals.


    Channels are realtime PubSub connections over WebSocket, they allow you to:

    • Subscribe to events on client side
    • Publish events from server
    • Publish events from client with C2C feature.

    See the Channels documentation to learn more about how to use Channels.


    Complete list of allowed configuration options

    Option Description Default
    apiKey Required, Your PieSocket API key. Demo key
    clusterId Required, Your API key's cluster ID. demo
    consoleLogs Logs useful connection info if set to true. false
    notifySelf Receive messages sent by self, pass 0 to disabled. 1
    jwt JWT authentication token, skips authentication endpoint call. null
    presence Enable presence events on any channel, pass 1 to enabled. 0
    authEndpoint Authentication endpoint for private channels. /broadcasting/auth
    authHeaders Headers to include with authEndpoint call. {}
    forceAuth Force authentication on all channels. false
    userId User ID, used when user does not exists in JWT payload. anonymous
    blockchainTestMode Enable/disable test mode, defaults to false i.e., Ethereum main network. Set to true for Rinkeby test network. false
    blockchainGasFee Gas fee to set on Ethereum contract calls 41000

    PieSocket Object

    List of available methods on the PieSocket object

    Method Description Returns
    subscribe(channelId) Subscribe to a channel. Channel Object
    unsubscribe(channelId) Un-subscribe from a channel. Boolean
    getConnections() Get list of all active connections/channels for this client. Object

    Channel Object

    List of available methods on the Channel object

    Method Description
    listen("event-name", callback) Listen to an event.
    publish("event-name", data, meta) Publish message from client.
    getMemberByUUID(uuid) Get a Presence member from their uuid.
    on("lifecycle-event", callback) Listen to lifecycle events on the native WebSocket connection.
    confirmOnBlockchain(event, transaction_hash) Create a proof-of-witness for a Blockchain message, on receiver's end.


    • Clone the repo git clone
    • Run npm install
    • Run npm start
    • Open http://localhost:8080 in browser

    Now you can interactively test the SDK, add features and fix bugs.

    Documentation: PieSocket Realtime Docs


    npm i piesocket-js

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