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Ever SDK Js

Ever SDK Js is an open-source TypeScript client SDK for building applications that interact with TVM-compatible networks, including Everscale, Venom, TON and Gosh. It provides a shared core package and platform-specific bridges for web, Node.js and React Native.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Ever SDK Js — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when developing a web, Node.js or React Native application that needs a JavaScript client for Everscale, Venom, TON or Gosh.

Who it is for

  • Web developers building applications for the listed TVM-compatible networks.
  • Node.js developers integrating a blockchain client into services.
  • React Native developers building mobile applications that connect to those networks.

Documented uses

  • Add a shared blockchain client library and a runtime-specific bridge to a JavaScript application.
  • Initialize TonClient with the bridge for the target platform.
  • Use client modules, including the documented crypto example for generating random signing keys.
Before you choose

Requirements & limits

The repository is public and identifies the project as licensed under Apache-2.0. Its installation instructions use npm packages.

  • Choose the bridge that matches the target runtime: Node.js, browser or React Native.
  • The README identifies Node.js 14 LTS as the version used in testing pipelines and the version for which stable operation is stated.
  • Browser setup uses WASM and, by default, a separate worker; the documented configuration can change the WASM URL or disable the worker.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install and initialize the browser client

Add the shared SDK and web bridge to a browser application and attach the bridge to TonClient.

Before you start

  • Node.js 14 LTS is the version the repository identifies for stable operation.
  • npm and a web application project.

Steps

  1. Install @eversdk/core and @eversdk/lib-web with npm.

  2. Import TonClient from @eversdk/core and libWeb from @eversdk/lib-web.

  3. In application initialization code, call TonClient.useBinaryLibrary(libWeb).

Expected outcome

The web bridge is attached to TonClient for use by the application.

Guide limitations

  • The web bridge downloads eversdk.wasm and index.js during npm installation; update eversdk.wasm in the web package before publishing.
  • The bridge loads the WASM module from /eversdk.wasm by default; the README documents configuring another URL.
  • The documented setup step does not cover connecting to a specific network or implementing an application flow.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
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Sources checked
15 October 2026
Original website title
everx-labs/ever-sdk-js · Official homepage title · retained in its source language
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