LicenseChain helps developers and businesses manage, validate, and track software licenses across platforms and programming languages.

• Secure API-key authentication
• Create, verify, update, and revoke licenses
• Hardware ID binding
• Webhooks for license lifecycle events
• Multi-language SDKs

• Node.js SDK — @licensechain/nodejs-sdk
• JavaScript SDK — @licensechain/javascript-sdk

• Python SDK — licensechain-sdk (PyPI)
• Go SDK — github.com/licensechain/licensechain-go-sdk
• Rust SDK — licensechain (crates.io)
• Ruby SDK — licensechain_ruby_sdk (RubyGems)
• PHP SDK — licensechain/sdk (Packagist, through v1.0.3)
• Java SDK — io.github.licensechain:licensechain-java-sdk (Maven Central)
• C# SDK — LicenseChain.CSharp.SDK (NuGet)
• VB.NET SDK — LicenseChain.VB.SDK (NuGet)
• Perl SDK
• C++ SDK — CMake from GitHub source

• Android SDK — io.github.licensechain:licensechain-android-sdk 1.0.2 (Maven Central)
• iOS SDK — SPM (git); CocoaPods LicenseChainiOS 1.0.3
• macOS SDK — SPM (git); CocoaPods LicenseChainmacOS 1.0.3
• Unity SDK — com.licensechain.sdk (OpenUPM) / git URL
• Luau SDK — Wally blocked on scope claim (UpliftGames/wally#271)

# Node.js
npm install @licensechain/nodejs-sdk

# Python
pip install licensechain-sdk

# Go
go get github.com/licensechain/licensechain-go-sdk

# Rust
cargo add licensechain

# C# / .NET
dotnet add package LicenseChain.CSharp.SDK

import LicenseChain from '@licensechain/nodejs-sdk';

const client = new LicenseChain({
  apiKey: process.env.LICENSECHAIN_API_KEY,
  baseUrl: 'https://api.licensechain.app/v1'
});

const license = await client.licenses.verify('LICENSE-KEY-HERE');
console.log('License status:', license.status);

Full guides: docs.licensechain.app/en/sdk

• Getting started
• API reference
• SDK documentation
• Integration guides

• Open issues on the relevant public SDK repository
• Follow that repository’s contribution guidelines and code style
• Include tests and docs updates with pull requests

Public LicenseChain SDK repositories use the Elastic License 2.0. See each repository’s LICENSE file.

• Website: licensechain.app
• API: api.licensechain.app
• Dashboard: dashboard.licensechain.app
• Status: status.licensechain.app
• Docs: docs.licensechain.app
• Support: support@licensechain.app